Advanced Electrical Test Equipment Manufacturer India | Relay Test Kit, CT PT Analyzer – by KPM Engineering Solutions. Reliable, field-proven solutions. Visit now! Advanced Electrical Testing Equipment Built for Precision Designed for Performance Engineered for Maximum ROI Explore Solutions TÜM ELEKTRİK TEST UYGULAMALARI İÇİN TEK NOKTA ÇÖZÜM SAĞLAYICISI Cable LA Meter TRF Relay Machine Battery Testing GIS Circuit Breaker Tap Charger Monitor Testing EV Partial discharge CT/PT Earth Testing HAKKIMIZDA Videos Pictures KPM'de, elektriksel test ve ölçüm ekipmanlarının Merkezi Olmayan Üretimi, Montajı ve Danışmanlığı ile ilgileniyoruz. KPM, çoğu tipik güç sistemi test uygulaması için kullanılan bir dizi yüksek teknoloji ürünü ekipman sağlar. Test çözümlerimiz, Dağıtım, İletim ve Üretim enerji şirketlerinin gereksinimleri göz önünde bulundurularak özel olarak tasarlanmıştır. KPM ile yalnızca en iyi test ekipmanından emin olmakla kalmaz, aynı zamanda hangi ünitenin sizin için gerçekten uygun olduğuna dair içeriden bir görüş elde edersiniz. Tarafsız bir test ekipmanı tedarikçisi olduğumuz için, değerli müşterilerimize belirli bir ürünü önermeden önce tüm avantajları göz önünde bulunduruyoruz. KPM Engineering Solutions, 1992 yılından bu yana elektrik danışmanlığında lider bir şirkettir ve yenilikçi mühendislik çözümleri sağlamayı amaçlayan onlarca projeyi başarıyla yürütmüştür. 2018'den itibaren KPM, kendisini test ve ölçüm ekipmanı endüstrisi işine dönüştürmek çeşitlendiren yeniden yapılandırma ve satın almalardan geçti. Gerektiğinde, T&M bölümümüz ve danışmanlık bölümümüz, DUT (test edilen cihaz) hatası için sonuç yorumlama ve temel neden analizi gibi katma değerli hizmetler sağlamak için el sıkışır. Değerli müşterilerimizin kapılarına en iyi güvenilir çözümleri getirmek için dünyanın önde gelen Ar-Ge ve üretim evleri ile ortaklık yapıyoruz. KPM tarafından sağlanan her çözüm, uzman uygulama ve servis desteği ekibi tarafından desteklenir. Müşterilerimize ulaşmadan önce her çözüm, hassas laboratuvar standartlarımızdan ve EHV (765KV'ye kadar) canlı şalt sahası koşullarındaki zorlu saha denemelerimizden geçer. Biz, hem yüksek gerilim/düşük gerilim elektrik T & M endüstrisinde geniş satış ve uygulama deneyimine sahip bir grup teknokratız. Genetik olarak bir elektrik danışmanlık firması olarak, saygın_cc781905'imize tasarım ve sorun giderme hizmetleri sunuyoruz. -5cde-3194-bb3b-136bad5cf58d_ son 2,5 yıldır istemciler. KPM'de kendimizi müşterilerimize doğru T&M uygulaması için hassas ekipman sağlamaya ve ardından ürünle ilgili her destek için ilk irtibat noktası olarak hareket etmeye adadık. LAB TESTED , FIELD PROVEN SOLUTIONS Uluslararası Müşteriler USA.png bangladesch.png 640px-Flag_of_Tansania.svg.png MAYAMAR TSCHECHIEN CHILE NIGERIA NEPAL Kenya Saudi Arabia Indonesia Müşteri Referansları To play, press and hold the enter key. To stop, release the enter key. Görüşler 400KV Canlı Şalt Sahalarında CT PT'lerin testi için KPM CT PT Analizörü için yakın zamanda sipariş verildi. Önde gelen bir Merkezi Hükümet EPC , India Yeni devreye alınan otomatik röle test kiti, K3063i , KPM Team tarafından çevrimiçi eğitim ve uygulama desteği sağlandı Önde gelen bir çelik şirketi , Nijerya KPM Engineering'in çevrimiçi desteğiyle KPM K3063i siparişi verildi Önde gelen bir EPC , Şili Kısa bir süre önce devreye alınan bir paket KPM Tan delta Kiti , CT PT Analizörü, LA Test Cihazı, PQ Analizörü, Batarya Test Kiti etc._cc781905-5cde-3194-bb5fcc-136bad Önde gelen bir elektrik santrali bakım çok uluslu şirketi. , Hindistan KPM CT PT Analiz Cihazı, Hidroelektrik Santrallerinde CT ve PT'lerin testi için Önde gelen bir Merkezi Devlet Hidro Enerji A.Ş.

KPM transformer test equipment ensures accurate, reliable, and efficient testing for power and distribution transformers in industrial applications. TRAFO TEST KİTİ SSS Video teori Tan Delta Test Cihazı Daha fazla göster KPM TD-12 is -: cc781905-5cde-3194-bb3b-136bad5cf58d_PF/DF ölçümleri için basit ve sağlam bir ekipmandır Güç transformatörleri Dönen makineler Akım transformatörleri Gerilim trafoları Yüksek gerilim (HV) kabloları Gaz yalıtımlı şalt (GIS) sistemleri KPM TD-12 özel tasarımı sayesinde 765KV'a kadar yüksek şarjlı trafo merkezlerinde Tan Delta Testi yapabilmektedir. Birkaç önemli nokta 0,1KV artışla 10KV/12KV'de test ediliyor Freq @45HZ/55HZ , 47.5HZ/52.5HZ, 55HZ/65HZ, 57.5HZ/62.5HZ, Automatic çift frekans 2000VA güçlü ünite Enstrüman, giriş voltajı dalgalanması, çıkış kısa devre, aşırı voltaj, aşırı akım ve aşırı sıcaklık gibi birçok koruma önlemine sahiptir. KPM TD 12, Opsiyonel aksesuarların yardımıyla is -: Tan deltasını test edebilir Oil Test Cell Yardımıyla Trafo Yağı Yüksek kapasiteli jeneratörler . Lütfen detaylar için iletişime geçmekten çekinmeyin . IR Test Cihazı Daha fazla göster KPM-5KP is an easy to use 5KV IR Tester with user selectable voltage ranges 500V,1000V,2500V,5000V._cc781905-5cde- 3194-bb3b-136bad5cf58d_ Izolasyon ölçmek için uygundur switchgears, paneller,_cc781905-5cde-3194-pt5cf-136 kapasitörler, güç kabloları, parafudrlar ve diğer ideal yalıtım direnci test cihazları. Ana Özellikler-: PI/DAR tesisi Kısa Devre Akımı <1ma İşlemi güvenli hale getirmek için otomatik deşarj işlevi. Doğru ölçümler için Gelişmiş “Koruma” Özelliği Sesli canlı devre uyarı sembolleri. 12V DC adaptör (12V/1A) veya dahili batarya ile çalışmak için uygundur Dönüş Oranı Test Cihazı Daha fazla göster KPM-TTR3, 3 veya 1 faz transformatörünün voltaj oranını ölçmek için kullanılan bir üç fazlı transformatör oranı test cihazıdır. Tüm veriler ve test sonuçları 320*240 LCD ekranda gösterilir. Tüm test sonuçları mikro yazıcı tarafından yerinde yazdırılabilir. KPM-TTR3, test sonuçlarını kaydetmek için dahili bir belleğe sahiptir. Gelişmiş Gürültü Azaltma devresi, KPM-TTR3'ü saha koşulları için ideal bir ekipman haline getirir. Trafo Sargı Direnci Test Cihazı (1 Faz) Daha fazla göster KPM, eksiksiz bir trafo test ekipmanı serisi sunar TWRT-2A ( 2A , 1 Faz Testi ) TWRT-10A ( 10A , 1 Faz Testi ) TWRT-20A ( 20A , 1 Faz Testi) TWRT-40A ( 40A , 1 Faz Testi) TWRT-20 ( 40A , 1 Phase Testing & 20A, 3Phase Testing ) . SFRA & Şt. CKt. İç direnç Daha fazla göster Güç trafosu önemli bir elektrik ekipmanıdır, güvenli ve güvenilir çalışması güç sistemleri için son derece önemlidir. KPM SFRA+, taşıma veya yüksek arıza akımlarına maruz kalma sonrasında güç trafolarının mekanik ve elektriksel bütünlüğünü test etmek için geliştirilmiştir. Bu kullanır SFRA prensibi (Tarama Frekans Tepkisi Analizi) Şşt. Ckt. Empedans yöntemi & geniş bir frekans aralığında elektriksel transfer fonksiyonunu ölçer. Tan Delta Test Cihazı Daha fazla göster KPM TD-12 is -: cc781905-5cde-3194-bb3b-136bad5cf58d_PF/DF ölçümleri için basit ve sağlam bir ekipmandır Güç transformatörleri Dönen makineler Akım transformatörleri Gerilim trafoları Yüksek gerilim (HV) kabloları Gaz yalıtımlı şalt (GIS) sistemleri KPM TD-12 özel tasarımı sayesinde 765KV'a kadar yüksek şarjlı trafo merkezlerinde Tan Delta Testi yapabilmektedir. Birkaç önemli nokta 0,1KV artışla 10KV/12KV'de test ediliyor Freq @45HZ/55HZ , 47.5HZ/52.5HZ, 55HZ/65HZ, 57.5HZ/62.5HZ, Automatic çift frekans 2000VA güçlü ünite Enstrüman, giriş voltajı dalgalanması, çıkış kısa devre, aşırı voltaj, aşırı akım ve aşırı sıcaklık gibi birçok koruma önlemine sahiptir. KPM TD 12, Opsiyonel aksesuarların yardımıyla is -: Tan deltasını test edebilir Oil Test Cell Yardımıyla Trafo Yağı Yüksek kapasiteli jeneratörler . Lütfen detaylar için iletişime geçmekten çekinmeyin . IR Test Cihazı Daha fazla göster KPM-5KP is an easy to use 5KV IR Tester with user selectable voltage ranges 500V,1000V,2500V,5000V._cc781905-5cde- 3194-bb3b-136bad5cf58d_ Izolasyon ölçmek için uygundur switchgears, paneller,_cc781905-5cde-3194-pt5cf-136 kapasitörler, güç kabloları, parafudrlar ve diğer ideal yalıtım direnci test cihazları. Ana Özellikler-: PI/DAR tesisi Kısa Devre Akımı <1ma İşlemi güvenli hale getirmek için otomatik deşarj işlevi. Doğru ölçümler için Gelişmiş “Koruma” Özelliği Sesli canlı devre uyarı sembolleri. 12V DC adaptör (12V/1A) veya dahili batarya ile çalışmak için uygundur YAĞ BDV Test Kiti Daha fazla göster Adından da anlaşılacağı gibi, Yalıtım yağının kırılma direncini ölçmek için Yağ BDV Test Seti (KPM-OBD80/100+) kullanılır. Yerleşik yazıcıyla 80/100KV üretebilir. Motorlu ve programlı karıştırıcı Hafif Ağırlık IEC ve IS uyarınca otomatik test planlarıyla 5KV/sn gerilim artışı 0.5KV/sec to 5KV/sec variable voltage rise as per ASTM Standards ( available in "A+"_cc781905-5cde-3194-bb3b- 136bad5cf58d_ modelleri) SFRA & Şt. CKt. İç direnç Daha fazla göster Güç trafosu önemli bir elektrik ekipmanıdır, güvenli ve güvenilir çalışması güç sistemleri için son derece önemlidir. KPM SFRA+, taşıma veya yüksek arıza akımlarına maruz kalma sonrasında güç trafolarının mekanik ve elektriksel bütünlüğünü test etmek için geliştirilmiştir. Bu kullanır SFRA prensibi (Tarama Frekans Tepkisi Analizi) Şşt. Ckt. Empedans yöntemi & geniş bir frekans aralığında elektriksel transfer fonksiyonunu ölçer. SFRA & Şt. CKt. İç direnç Daha fazla göster Güç trafosu önemli bir elektrik ekipmanıdır, güvenli ve güvenilir çalışması güç sistemleri için son derece önemlidir. KPM SFRA+, taşıma veya yüksek arıza akımlarına maruz kalma sonrasında güç trafolarının mekanik ve elektriksel bütünlüğünü test etmek için geliştirilmiştir. Bu kullanır SFRA prensibi (Tarama Frekans Tepkisi Analizi) Şşt. Ckt. Empedans yöntemi & geniş bir frekans aralığında elektriksel transfer fonksiyonunu ölçer. Video - Güç Trafosu Testi Video - Power Transformer Testing 765KV live switchyard ,Tan Delta Testing of Grading Capacitors Videoyu Oynat CT PT Analyzer Videoyu Oynat Power of 90' Rotational view , thermal imager camera Videoyu Oynat 765KV live switchyard ,Tan Delta Testing of Grading Capacitors Videoyu Oynat CT PT Analyzer Videoyu Oynat Facebook Twitter Pinterest Tumblr Bağlantıyı Kopyala Bağlantı Kopyalandı Kapat Theory Power Transformer Testing Teori - Güç Transformatörü Testi Yüksek voltaj transformatörleri, bir güç sistemini çalıştırmak için gereken en önemli (ve pahalı) ekipman parçalarından bazılarıdır. Trafo merkezinde trafo kurulurken yapılan çok sayıda kontrol ve test vardır. Test mühendisi, aşağıdaki tüm testleri ve incelemeleri doğrudan gerçekleştirmeyebilir, ancak trafoyla ilgili nihai kararı almak için bunların tatmin edici bir şekilde tamamlandığından emin olmalıdır banka enerjilendirilmeye hazır. IR Testi Kapasitans ve Tan Deltası Trafo Sargı Direnci Test Cihazı Transformatör Dönüş Oranı Transformatörün Manyetik Denge Testi Transformatörün Mıknatıslanma Akımı Testi Transformatörün Vektör Grup Testi Transformatörün Sıcaklık Artışı Kademe Değiştirici Testi SFRA – Tarama Frekans Tepkisi Analizörü Trafo Burcu CT Testi . Sık Sorulan Sorular ( SSS ) FAQ - TDK Tan delta fundamentals 01 What is tan delta testing? Insulation is never a perfect capacitor. Electrically it behaves as a capacitance with a resistance in parallel across it, and tan delta measures the ratio between the currents those two elements draw. Apply AC voltage to ideal insulation and it draws only capacitive current, leading the voltage by exactly 90°. Real insulation has a finite parallel resistance as well, so it also draws a small resistive current in phase with the voltage. The total current therefore falls short of 90° by an angle δ — the loss angle — and tan delta is simply the ratio of those two components: tanδ = IR / IC.A reading of 0.3% means the resistive current is three parts in a thousand of the capacitive current. What makes this the right quantity to measure is that it describes the material rather than the specimen: tanδ = 1/(ωRC), and for a given dielectric the product RC depends only on resistivity and permittivity, so the specimen's size and shape cancel out. As insulation absorbs moisture, becomes contaminated or ages, its parallel resistance falls while its capacitance changes very little — so the ratio rises. 02 What is the difference between tan delta, dissipation factor and power factor? They are closely related but not identical. tanδ is the tangent of the dielectric loss angle δ. Power factor is cos θ, where θ is the phase angle between voltage and current, and δ + θ = 90°. Dissipation factor is simply another name for tan delta. At the low loss values typical of healthy high-voltage insulation the two are numerically almost identical, which is why the terms get used interchangeably in the field and why most instruments display both rather than arguing the point. 03 Why measure tan delta if insulation resistance has already been tested? They answer different questions. An insulation resistance test applies DC and reports surface leakage and gross contamination, and its value depends on the size and shape of the specimen, which makes readings awkward to compare between different assets — where tan delta, being a ratio, does not. A tan delta test applies AC at or near service stress and reports on the bulk condition of the dielectric — moisture ingress, ageing of the oil-paper system, voids. A bushing or current transformer can pass an IR test comfortably and still show a tan delta trend that says it is deteriorating. In practice the two are sequential rather than alternative: an insulation test is normally carried out first, both as a condition check and as a precaution before AC test voltage is applied. 04 What does a rising tan delta value indicate? A rising value means the insulation is dissipating more energy due to resistive path than it previously did — typically from moisture ingress, contamination, ageing, or voids developing within the dielectric. Because the absolute figure depends on equipment type, design, insulation system and temperature, the useful signal is normally the trend against that asset's own history and the comparison between the three phases of the same unit, rather than the reading in isolation. A step change in capacitance measured at the same time is a stronger indicator still. 05 What does the capacitance reading tell me alongside tan delta? Capacitance is measured at the same time and reflects the geometry of the insulation rather than its quality. In a condenser-graded bushing, a step increase in capacitance indicates that one or more capacitive layers have punctured and shorted out — a failure mode tan delta alone may not flag dramatically. Catching it depends on capacitance accuracy rather than on tan delta accuracy, which is why a kit intended for bushing work needs a credible figure for both. 06 Which equipment is routinely tan delta tested? Power transformers (winding-to-winding and winding-to-earth), condenser-graded bushings, current transformers, potential transformers, capacitor voltage transformers, surge arresters, capacitors and rotating machine insulation. In a typical substation maintenance schedule, transformer bushings and instrument transformers account for most of the work, because they are the assets where a developing dielectric fault gives little other warning before it fails. 07 Is tan delta testing destructive? No. It is a diagnostic test performed at or below the equipment's normal operating stress, not a withstand test, so it does not deliberately stress insulation towards failure the way a hipot or applied-voltage test does. That is precisely what makes it suitable for routine condition monitoring — the test can be repeated on the same asset year after year to build a trend without consuming insulation life each time. 08 How does tan delta testing compare with partial discharge testing? They find different things. Tan delta reports a bulk, averaged property of the whole dielectric, so it is good at diffuse deterioration — moisture, ageing, general contamination — and poor at pinpointing a single localised defect. Partial discharge testing detects discrete discharge activity and is far better at finding a specific void or defect, but says little about overall condition. Most maintenance programmes use tan delta as the routine screening test because it is quick and repeatable, and reach for PD when a result needs investigating. 09 What test voltage does a tan delta kit need to produce? Routine testing on instrument transformers, bushings and transformer windings is commonly performed at 10 kV, with equipment rated below that tested at its own rated line-to-earth voltage. That sets the practical requirement: at least 10 kV with some headroom above it, and genuinely fine adjustment (500V min ) at the low end for lower-rated apparatus — a kit that steps in coarse increments cannot sit neatly on the rated voltage of a small CT. 10 Why does the maximum testable capacitance fall as test voltage rises in a tan delta kit? Because the current the kit must supply rises with both capacitance and voltage. The charging current of a capacitive specimen is I = 2πfCV, so doubling the test voltage doubles the current demand for the same specimen, and a portable source has a finite output. This is a power limit, not a measurement limit. It has a practical consequence when reading datasheets: a capacitance range quoted as a single headline figure tells you almost nothing, because that figure is only achievable at the lowest test voltage. The useful form is a ceiling stated at each voltage — and a large specimen is then tested at a lower voltage rather than refused. 11 What accuracy should I expect from a tan delta kit? Accuracy is normally quoted in two terms — a percentage of reading plus a fixed floor, written as ±(reading × a% + b) — and which term dominates depends entirely on what you are measuring. On healthy insulation reading a few tenths of a percent, the percentage term is tiny and the fixed floor is essentially the whole error. That makes the fixed term the number to compare between kits, and it is the one most often buried. Resolution is a separate thing and frequently confused with it: resolution is how many digits the display shows, which can easily be more digits than the instrument can justify. 12 Should the standard capacitor be built in or external of a tan delta kit? A built-in high-stability standard capacitor means routine testing needs no external reference — one less precision item to transport, calibrate and damage on site, which matters on a testing round that moves between substations. An external standard capacitor input is still worth having, because it is what allows a field accuracy check against a traceable reference and supports high-voltage measurement against an external standard. The practical answer for most field kits is built in, with the external input available when required. 13 What is a variable-frequency of a tan delta kit, and does it matter in a live substation? It is the most consequential difference between kits used in energised switchyards. Electric field from adjacent live bays couples into the test leads at power frequency and corrupts the measurement, and the higher the surrounding voltage class the worse it gets. A variable-frequency instrument measures at frequencies deliberately offset either side of mains and filters out the power-frequency component, typically measuring at both offsets and combining the results. Because the interference sits at 50 Hz and the measurement does not, the two are separable. A fixed 50 Hz kit has no mechanism to tell them apart — the interference simply becomes part of the reading, which is worse than a noisy result because it looks plausible. 14 Can one tan delta kit test transformers, bushings, CTs, PTs and CVTs? Yes. A kit with GST, UST and GSTg modes and both polarity options covers power and instrument transformers, condenser bushings, CTs, PTs and CVTs, and with an oil test cell it extends to the dielectric loss of insulating oil. The usual exception is power cable: a cable run of any length presents capacitance far beyond what a power-frequency kit can drive at test voltage, and cable dielectric loss testing is normally done with a dedicated very-low-frequency set at 0.1 Hz instead. 15 What supply does a tan delta kit need on site, and can it run from a generator? Single-phase mains, and most field instruments tolerate a stated window either side of nominal because site supply is rarely clean. Two things are worth checking before plugging in on an unfamiliar site. First, the absolute maximum input — exceeding it typically causes damage that no warranty covers, so an unstable or unregulated supply should be measured rather than assumed. Second, if the site is running on a generator, the generator's output neutral normally has to be earthed; an unearthed neutral is a common cause of an instrument refusing to start and reporting an earthing fault. 16 How portable is a tan delta kit? It depends mostly on one design decision: whether the dielectric loss bridge, the test source, the step-up transformer and the standard capacitor are integrated into a single case, or split across two or more units. An integrated kit is heavier as one item but is a single lift and a single set-up; a split design has lighter components but means a second case to carry up a gantry and additional connections to make at every test point. Ask for mass and dimensions of every item that has to reach the test position, not just the main unit. The KPM TD12 has a compact design, with an overall size comparable to a 13-inch MacBook, while weighing only approximately 24 kg.The KPM TD12 Pro is larger in size and offers a higher current capacity. It also comes with a built-in 10 kV insulation resistance (IR) tester, providing additional testing functionality in a single unit. 17 What should be supplied with a tan delta kit? As a minimum: the instrument, the matched high-voltage and low-voltage test leads, an earthing lead, a mains lead, operating instructions and a certificate of conformity, with a carrying case for the accessories. The test leads deserve more attention than they usually get — an instrument of this class is calibrated together with its supplied leads, and substituting a general-purpose cable can shift the measured result, because the cable's own characteristics become part of the measurement. Replacements should be ordered from the supplier rather than made up locally. 18 What should I ask a supplier before buying a tan delta kit? Eight questions that separate datasheets quickly.What is the capacitance ceiling at each test voltage, not just the headline range?What is the fixed term in the accuracy expression, as distinct from the resolution?Is interference rejection by variable frequency or is the kit fixed at power frequency?Are all three of GST, UST and GSTg available, and can both polarities be used?Can a CVT be tested without breaking its high-voltage connection?Is the standard capacitor internal, and can an external one be used for verification?What does the instrument refuse to do when earthing is missing or a specimen is faulty?And who answers the phone when a reading looks wrong at seven in the evening during a shutdown? 19 What is the difference between UST, GST and GSTg test modes in a tan delta kit? They differ in what the measurement includes. UST — ungrounded specimen test — measures only the insulation between two ungrounded terminals and ignores everything connected to earth. 1. Internal voltage - internal standard (CX) - straight polarity method2. Internal voltage - external standard ( CN ) - straight polarity method (must firstly set up the capacity of external standard)3. External voltage - internal standard (CX) - straight polarity method4. External voltage - external standard - straight polarity method (must firstly set up thecapacity of external standard CN ) GST — grounded specimen test — measures everything from the energised terminal to earth. Internal voltage - internal standard - reverse polarity methodInternal voltage - external standard - reverse polarity method (must firstly set up the capacity of external standard)External voltage - internal standard - reverse polarity methodGSTg — grounded specimen test with guard — measures to earth but diverts one current path into a guard circuit so it is excluded from the result. Running them in combination is what lets you resolve individual capacitances rather than only their sums, which is the whole reason a diagnostic set offers more than one mode.GSTg 20 What is the difference between straight and reverse polarity connection in a tan delta kit? Straight polarity — also called normal or positive — is used when the specimen’s low-voltage end is free and can be lifted from earth. Test voltage is applied at the high end, and the current is collected from the isolated low end and returned to the instrument’s measuring input. The measuring circuit therefore sits at earth potential, which is both safer and more accurate, and it is the arrangement to use wherever the specimen allows it.Internal voltage - internal standard - straight polarity methodReverse polarity is used when the low end is permanently bonded to earth and cannot be lifted — a great deal of installed apparatus is built that way. The return path then runs through earth, and the measurement has to be taken at the high-voltage end instead. Two consequences follow. The measuring connection sits at test potential, so the work demands more care. And the measurement now sees stray capacitance from the high-voltage lead to earth, which adds into the result — which is why a reverse-polarity test wants the HV lead suspended and clear of ground, and why reverse-polarity readings are generally held to be the less accurate of the two.Internal voltage - internal standard - reverse polarity methodBoth arrangements then divide again, according to where the test voltage comes from and where the reference comes from.A tan delta bridge does not measure the specimen on its own. It compares the current through the specimen against the current through a standard capacitor at the same voltage, and the result is the difference between them. With the instrument’s own source and its own built-in standard that equality is automatic, and it covers the great majority of field work. An external standard is needed in three situations:when an external high-voltage source is being used,when a traceable reference is wanted for an accuracy checkwhen the test voltage is above what the built-in standard is rated for.wo conditions attach to it. Its capacitance value must be entered into the instrument before the test, or every reading is wrong in proportion to the difference. And it must be a genuinely low-loss reference, because the standard’s own dielectric loss enters the result as an error..An external high-voltage source is needed when the test calls for more voltage than the internal source produces, or more current than it can drive into a large capacitive specimen. In that arrangement the instrument stops being the source and works purely as a bridge, and one rule governs the wiring: the external source must energise the specimen and the standard capacitor from the same point. If the two branches see different voltages the comparison is meaningless — and the reading will still look entirely plausible (Straight Polarity Method — internal or external source, against internal or external standard)(Reverse Polarity Method- internal or external source, against internal or external standard) 21 Why is the standard capacitor in tan delta kit gas-filled? Because the reference’s own loss lands directly in your answer. A tan delta bridge compares the current through the specimen against the current through a standard capacitor, and reports the difference between them. Whatever dielectric loss the standard has therefore appears in the result as an offset on every reading it is ever used for. That sets a hard requirement. Healthy insulation is being measured at a few tenths of one per cent, so the reference has to sit two or three orders of magnitude below that — loss low enough to be treated as zero. No solid dielectric can do this. Every solid insulating material has measurable loss of its own, and that loss shifts with temperature and humidity and creeps upward as the material ages — the very behaviour the instrument exists to detect. A reference built from solid dielectric would be a specimen pretending to be a standard.A gas dielectric has effectively none of it. Compressed nitrogen or SF6 has no polar structure to dissipate energy, so the loss is set by the electrode geometry rather than by a material property. Two further benefits come with it. The capacitance is fixed by the mechanical spacing of rigid electrodes rather than by a material constant, so it is stable over years rather than drifting. And compressing the gas raises its breakdown strength, which lets the electrodes be spaced for high voltage without the capacitor becoming unmanageably large.The practical consequence matters more than the physics. If you ever connect an external reference, it must be a purpose-built gas-filled standard. A power-factor-correction capacitor, a film capacitor or whatever high-voltage unit happens to be on the shelf has loss comparable to or greater than the value you are trying to measure. It will give you readings — plausible ones — that are mostly a measurement of the capacitor you substituted. KPM’s Tan Delta Kits have high quality gas filled capacitors. 22 When is an external high-voltage source or external standard capacitor needed ? An external high-voltage source is used when the test calls for a voltage above what the instrument's internal source produces. An external standard capacitor is used when measuring against a traceable external reference — for an accuracy verification, or for high-voltage measurement against an external standard. One prerequisite applies whenever an external standard is used and is a common source of wrong results: its capacitance value has to be entered into the instrument before the test is run, or every reading is out by whatever the difference happens to be. 23 How is a two-winding transformer tested by tan delta kit? With two guarded measurements that between them separate the insulation paths.GSTg ( Chg+Chl)GSTg ( Clg+Clh) For CHG + CHL, the guard is applied to the LV winding and the measurement is taken from the HV winding. For CLG + CLH, the guard is applied to the HV winding and the measurement taken from the LV winding. Adding an ungrounded measurement of the winding-to-winding capacitance lets the individual values be resolved rather than left as sums. The principle to hold on to is simple: whichever winding the guard is applied to is the winding excluded from that measurement. 24 How is a three-winding transformer tested by tan delta kit? Three-winding transformer CHG+CHL(shield of high voltage line connected to T winding)Three-winding transformer CTG+CHTLV (shield of high voltage line connected to winding)Three guarded measurements, each excluding a different winding — CHG + CHL guarding the tertiary, CLG + CLT guarding the HV winding, and CTG + CHT guarding the LV winding. The pattern is the same one as for a two-winding unit, applied three times: the guarded winding is the one taken out of the measurement. Getting the guard onto the wrong winding is the most common error in this test and produces a result that looks entirely reasonable, which is what makes it dangerous. 25 Can CVT ratio & phase be measured using the Tan delta kit instrument? On instruments that include the function, yes — dielectric loss, capacitance, ratio and phase angle can be measured in one visit with one set of connections. For CVT work this is worth more than it first appears, because it removes a separate ratio set from the kit and, more to the point, removes a second round of connecting and disconnecting at height on an asset that is awkward to reach. 26 Can the dielectric loss of insulating oil be measured with the same instrument? With an oil test cell accessory, yes. The cell holds a sample of known geometry and the instrument measures its dielectric loss directly, so oil condition and apparatus condition can be assessed with the same instrument on the same visit rather than sending samples away and waiting. 27 What record keeping does tan delta testing require? More than the test itself, because the technique is only as good as the baseline it is compared against. Each result needs the test voltage, the frequency, the mode and connection used, the specimen temperature, and the date — a reading recorded without its temperature cannot be meaningfully compared with anything measured later. On-board storage and an export route both matter for this reason: storage keeps the record at the point of test where it cannot be mislaid, and export is what gets it into a trend that survives a change of personnel. 28 Why are my tan delta readings fluctuating? Start with the connections, because that is where most cases end. The measuring lead has to land on a genuinely zero-resistance point on the specimen at both ends — a painted terminal, a loose clamp or a corroded stud is enough to make a reading wander, and the fault is invisible at a glance. Next, check that the supplied test leads are being used: an instrument of this class is calibrated with its own leads, and a substituted cable brings its own characteristics into the measurement. After that, look at shielding and earthing, then at whether interference from nearby energised equipment is reaching the test loop. 29 The Tan Delta instrument will not raise voltage and reports an earthing fault. What should be checked? Treat it as a protection working rather than a fault. Instruments of this class detect the earth connection and deliberately refuse to raise voltage without a reliable one, which is the behaviour you want. Check the earthing lead back to station earth first, and check it at both ends rather than at the instrument only. If the site is running on a generator, check the generator: an unearthed output neutral is a frequent cause of an earthing prompt and is the one operators rarely think of, because the instrument was working perfectly on mains an hour earlier. 30 Does nearby energised equipment affect the reading of Tan Delta kit? Yes, and in a working substation it is usually the dominant error source. Electric field from adjacent live bays couples into the test loop at power frequency. A variable-frequency instrument handles this by measuring away from power frequency and filtering out the coupled component, which is what makes testing practical with the rest of the yard energised. Good practice helps regardless of instrument: keep test leads off the ground and clear of live conductors, keep the high-voltage lead suspended, terminate shields properly, and keep the loop area as small as the job allows. 31 Why does the reading differ between test frequencies in a Tan delta kit? A small difference is not unusual, because dielectric loss in some insulation systems is genuinely frequency-dependent. A large divergence is a different signal: it usually means interference rejection is incomplete, and it is a prompt to check connections, shielding and earthing before the result is trusted at all. Treat a wide spread between frequencies as information about the test set-up rather than about the insulation. 32 Does tan delta need temperature correction? Tan delta is strongly temperature-dependent, so results are normally corrected to a common reference temperature before being compared against history or against an acceptance limit. Correction factors are specific to the insulation system and come from the governing standard or the equipment manufacturer — there is no single universal table, and applying the wrong one is worse than applying none. The discipline that matters is recording winding or oil temperature with every result, because an uncorrected reading with no temperature against it cannot be compared with anything measured later. 33 What tan delta value is acceptable? There is no single universal figure, and any source offering one without qualification is worth distrusting. Acceptance depends on equipment type, insulation system, voltage class, temperature, and the standard or manufacturer's test certificate governing the asset. What engineers use in practice is comparison rather than absolutes: the reading against that unit's own commissioning value, against its own trend across successive tests, and against the other two phases of the same unit. A value that has doubled from its baseline is significant even while it remains numerically small — and a value that looks high but has not moved in ten years usually is not. 34 Why would tan delta be measured at more than one voltage? Comparing results across a range of test voltages — often called a tip-up or voltage-dependence check — can reveal defects a single-voltage test does not, because some conditions only begin to dissipate significantly as electrical stress rises. A specimen that reads acceptably at low voltage and climbs steeply as voltage increases is telling you something a single reading would have hidden. Whether it forms part of a given routine depends on the asset and the maintenance standard being followed. 35 Why is my tan delta reading negative? A genuinely negative dielectric loss is not physically possible in passive insulation, so a negative reading is telling you about the measurement rather than about the specimen. The usual causes are a connection or guard error that has put a current path where the instrument does not expect one, interference from nearby energised equipment large enough to swamp a very low loss reading, or a stray path to earth on a specimen that should be isolated. Re-check the guard arrangement and the earthing before doing anything else; a negative value is one of the more useful warnings an instrument gives, because it is unambiguous. 36 Can tan delta testing be done while adjacent equipment is energised? The apparatus under test must itself be de-energised, isolated, earthed and discharged before connection — that is not negotiable. Surrounding equipment may remain energised, and in practice that is the normal condition rather than the exception, which is what makes interference rejection a practical requirement rather than a specification nicety. Normal high-voltage working practice applies throughout: permit to work, proved isolation, earthing applied and removed under control. 37 What checks are required before applying test voltage in a Tan Delta kit? Earth the instrument reliably. Confirm the specimen is isolated, earthed and discharged, then remove the earth from the specimen before testing. Carry out an insulation test on the equipment before applying AC test voltage. Establish the equipment's withstand level and choose a test voltage below it, so the test cannot spark through the specimen and damage the instrument. Confirm the site supply is inside the instrument's stated window. Keep high-voltage leads clear of personnel and check them for damage before every job — a lead that was sound last month is not evidence about today. 38 What must never be done during a Tan Delta Test? Never disconnect a test lead while voltage is applied - the discharge path may be through whoever is holding it. Never touch the high-voltage terminal or connected equipment while the instrument is raising voltage. Never exceed the stated maximum supply input. Never let a suspended high-voltage lead contact ground during a test where it is meant to be clear. And never leave a tested specimen un-earthed at the end of a test: a capacitive specimen holds charge after the source is removed, and discharging and earthing before touching anything is the last step of the test, not an afterthought. 39 How often should a tan delta kit be calibrated? Annual calibration against a traceable standard is the usual expectation for test and measurement equipment in utility service, and tender specifications frequently require a valid certificate at the point of supply. An instrument with an external standard capacitor input also allows a field accuracy check between calibrations where a traceable reference is available. 40 What protections should a tan delta kit have? Below protections are expected from a reputed Tan Delta KitEarth detection that prevents voltage being raised without a reliable earth.Over-current and short-circuit protection on the output, since a specimen can break down during a test.Over-voltage and supply-fluctuation protection on the input.Thermal protection.An emergency stop that removes the high-voltage output internally rather than merely disconnecting at a terminal, with an indicator showing whenever high voltage is live.These are what separate an instrument intended for substation work from one intended for a laboratory bench. 41 What support is provided after purchasing tan delta kit? Every instrument we supply comes with application support from the engineers who specified it, not from a call-centre script. That covers help interpreting a reading you are unsure about, guidance on the right test mode and connection for an asset you have not tested before, and support on site where the job needs it. Reach us on 0124 4001088 or support@kpmtek.com, 10 to 6PM 42 Do you help with the first test on site of tan delta kit? Yes, Online commissioning and training at the customer's site as part of supply. Each equipment supplied by KPM is backed by KPM’s support 43 What if I get a reading I do not understand on tan delta kit? Send the record to support@kpmtek.com with the asset details and the test conditions, and one of our engineers will go through it with you. This is the support customers use most — a result that looks wrong at six in the evening during a shutdown is not something to work through alone. Typical response: 1day 44 How quickly do you respond to a service request? Telephone / Whatsapp Support (Instantly / Depends on availability ), Email response within 24 working hours 45 Are spares and consumables available in tan delta kit? Yes — test leads, earthing leads, mains leads, printer consumables and fuses are generally stocked. Using the correct matched test leads affects measurement accuracy, so replacements should be ordered rather than substituted locally. 46 What warranty applies on tan delta kit? Every instrument we supply is warranted against defects in materials and workmanship for twelve months from the date of despatch. Within that period we repair or replace any unit that fails in normal service, at no charge to you. If something does go wrong, call us before opening the instrument. A good share of reported faults turn out to be a connection, a setting or a site supply problem that we can resolve over the phone the same day — and an instrument opened outside our works is no longer covered, so that call is worth making first. Where a unit genuinely needs to come in, we arrange the return and keep you posted on progress. Warranty covers failure, not damage. Physical damage, water ingress, repair or modification by anyone other than us, and consumables such as printer paper and fuses all fall outside it. One exclusion is worth knowing in advance because it is both common and entirely avoidable: supply voltage above the instrument's stated maximum causes permanent damage that no warranty covers. On a site with unstable or unregulated supply, measure before you connect.Calibration is a separate matter from warranty. A calibration certificate confirms the instrument reads correctly; the warranty covers it against failing. An instrument can be inside warranty and outside calibration, and it needs both to be worth anything on site.Support is not limited to the warranty period. Help with a connection, a test mode or a reading you are unsure about continues for as long as you own the instrument.

KPM relay testing equipment with high current rating, precision & advanced software. Ideal for distance, differential, df/dt & protection relay testing. EVRENSEL RÖLE TEST KİTİ KF86 P , (6I, 6V ve IEC 61850) 10Kg Teknik Blog KF 86P, her türlü röle testi uygulaması için ideal, gelişmiş, güçlü ve son derece hassas bir otomatik röle test kitidir. Yüksek Güç Değeri ve Yüksek Akım Derecesi Yüksek Güçlü Elektro-mekanik Rölelerin testi için ideal röle test kiti Hafif ve Son Teknoloji Tasarım (Yalnızca 10 KG) Nümerik Röleleri test etmek için Son Teknoloji Yazılım (tüm gelişmiş özelliklere sahip) Uyumlu IEC61850-9-1, IEC61850-9-2, IEC60044-7/8, vb. (isteğe bağlı) Üniversal Röle Test Kitinin (KF86P) Donanım Özellikleri: Six her biri 0- 310V @ 105VA olan bağımsız AC gerilim kaynakları. Six bağımsız akım kaynakları of 0 - 35A @ 425 VA . 14~ bir bağımsız Yardımcı DC Kaynağı 300V . <%0,15rd + %0,05rg,Guar'ın yüksek doğruluklu analog çıkışları. Sayısal ve elektro-mekanik rölelerin testi için uygun Dönüştürücü ve enerji ölçer testi (röle test kitinde isteğe bağlı) KFA 300 , (3I & 3U ) , 3 Kg Teknik Blog Eşsiz Teklif: En Hafif Röle Test Kiti , < 3Kg, analog o/ps Akım Kaynakları : 3 X 10 A Gerilim Kaynakları : 3 X 265 V Dahili Ekran ve Pil Sayısal ve Statik Rölelerin testi için ideal Yazılım İşlevi Manuel/Oto AC test fonksiyonu Durum Sıralayıcı Test İşlevi Aşırı Akım Kesici Test Cihazı İşlevi Uzak(Sinyal,Ölçüm,Kontrol) Fonksiyonu Uzaktan Sinyal Testi işlevi KFA 300 , (3I & 3U ) , 3 Kg Teknik Blog Eşsiz Teklif: En Hafif Röle Test Kiti , < 3Kg, analog o/ps Akım Kaynakları : 3 X 10 A Gerilim Kaynakları : 3 X 265 V Dahili Ekran ve Pil Sayısal ve Statik Rölelerin testi için ideal Yazılım İşlevi Manuel/Oto AC test fonksiyonu Durum Sıralayıcı Test İşlevi Aşırı Akım Kesici Test Cihazı İşlevi Uzak(Sinyal,Ölçüm,Kontrol) Fonksiyonu Uzaktan Sinyal Testi işlevi Röle Test Kiti - K68I (3I ve 4 U) Teknik Blog K68i, rölelerin yarı otomatik ve manuel testi için güçlü ve sağlam bir röle test kitidir . Röle Test Kiti K68i'nin Donanım Özellikleri : 6,4 inç LCD ekranlı hepsi bir arada tasarım röle test cihazı . Four her biri 0- 300V @ 110VA olan bağımsız AC gerilim kaynakları. Three bağımsız akım kaynakları of 0- 35A @ 450 VA her biri . 0 ~ 300V/0.6A'lık bir bağımsız Yardımcı DC Kaynağı. <0.15%rd + 0.05%rg,Guar'ın yüksek doğruluklu analog çıkışları. eğitim ve çalışma amaçlı projektör uyumlu bağlantı noktası. Süper uzun ömürlü döner kodlayıcı + İşlevsel klavye ile Sağlam Tasarım. Universal Röle Test Kiti K68i'nin Yazılım Özellikleri: Rölelerin çoğunu manuel veya yarı otomatik modlarla test edebilir - Voltaj röleleri, Akım röleleri, Frekans röleleri, Güç röleleri, Empedans röleleri, Harmonik röleler, Mesafe röleleri vb. Kendi kendine muhafaza ve topraklama algılama fonksiyonu ile Video Relay Test Kit Videolar - Röle Test Kitleri Relay Test Kit Videos Relay Test Kit Videos Videoyu Oynat Paylaş Tüm Kanal Video Seçin Facebook Twitter Pinterest Tumblr Bağlantıyı Kopyala Bağlantı Kopyalandı Search videos Video ara... Şimdi Oynuyor KPM KFA320 00:35 Videoyu Oynat Şimdi Oynuyor Random check on K3063i universal relay test kit with fluke 6.5 digit multimeter . 01:10 Videoyu Oynat Şimdi Oynuyor KFA 300 , Lightest Relay Test Kit ( 3.5 KG ) 07:29 Videoyu Oynat Teori - Röle Testi Theory -Relay Test Kit Röle Test Kiti – Teori Koruyucu röle, güç sistemi ekipmanlarının bakımını yapan ve sistemin korunmasını sağlamak için anormal bir durumda çıkış veren bir cihazdır. Koruyucu rölenin temel amacı, bir güç sistemindeki arızalı bölümü olabildiğince çabuk izole ederek sistemin geri kalanının normal şekilde çalışmasını sağlamaktır. Rölelerin güvenliğini, güvenilirliğini, kalitesini, hassasiyetini ve hızını tespit etmek gerekir. Bir rölenin arıza durumlarında dayanma kapasitesini kontrol etmek için Ulusal ve Uluslararası Standartlarda çeşitli testler önerilir. Test sırasında, performansını kontrol etmek için koruyucu röle simüle edilmiş saha koşullarına tabi tutulur. İlgili Ulusal / Uluslararası standartlar, rölelerin amaçlanan işlevini yerine getirme etkinliğini belirlemek için birçok test önermektedir. Bir Röle CT'lerden/PT'lerden giriş sinyallerini alır ve programı uygulamaya göre arıza koşullarını hesaplar. Hatalı bir durum algıladığında Devre Kesiciye açma komutu verir. Uygulama temelinde, Röle aşağıdaki tiplerde sınıflandırılabilir: Aşama 1: Röle Test Kiti, Relay under testin ilgili CT ve PT noktalarına I & V şeklinde hata enjekte eder. Röle Test Kitinin Zamanlayıcısı, fault enjeksiyonunu başlatarak başlar. Adım 2: Röle hatayı algılar ve açma komutunu verir, açma zamanlaması röle ayarlarının zaman özelliklerine bağlı olmalıdır. Aşama 3: Röle Test Kiti, Röleden açma komutunu alır ve zamanlayıcıyı durdurur. Adım 4: Ölçülen açma karakteristikleri, Mühendis tarafından yapılan ayarlara göre beklenen açmaya göre karşılaştırılır. Koruma rölesinin temel bağlantısı resimde gösterilmiştir. Akım trafosunun sekonderi rölenin akım bobinine bağlanır. Gerilim trafosunun sekonderi rölenin gerilim bobinine bağlanır. Besleme devresinde herhangi bir arıza meydana geldiğinde, CT'nin orantılı sekonder akımı, o bobinin mmf'sinin artması nedeniyle rölenin akım bobininden akacaktır. Bu artan mmf, rölenin normalde açık kontağını mekanik olarak kapatmak için yeterlidir. Bu röle kontağı aslında DC açma bobin devresini kapatır ve tamamlar ve dolayısıyla açma bobinine enerji verilir. Açma bobininin mmf'si, devre kesicinin açma mekanizmasının mekanik hareketini başlatır ve sonuçta devre kesici, arızayı izole etmek için açılır. Çeşitli gereksinimlere göre Röle Türleri: Diferansiyel Relay Aşırı Akım Relay Frekans Çalıştırıldı Relay Yönlü Aşırı Akım Relay Kısıtlanmış Topraklama Hatası Relay Aşırı Fluxing Relay Mesafe Düzenleri Relay Bara Koruması Relay Ters Güç Relay Uyarma kaybı Relay Negatif Ph. Sequence Relay Enerji Sayaçları Relay Dönüştürücüler Relay Hata Oynatma Relay Sıkça Sorulan Soru FAQ-RTK FAQ about all our Relay testing products 01 Röle test kiti nedir? Röle test kiti, farklı türdeki röleleri test etmek için kullanılan bir ekipmandır. Röle test kiti, programlanabilir akım ve gerilim kaynakları ile bir zamanlayıcının birleşimidir. Röle testi sırasında Röle test kiti röleye hata enjekte eder (CT & PT şeklinde) ve rölenin açma süresini veya reaksiyon süresini ölçer. Rölenin davranışı ayarlarına uygunsa röle testi geçer, aksi takdirde röle testi geçemez. 02 Geleneksel (variak tabanlı) röle test kitlerine göre neden otomatik röle test kitleri tercih ediliyor? Otomatik röle test kitlerinin geleneksel çocuklara göre çeşitli avantajları vardır 1. Sinyal Kararlılığı : Otomatik röle test kitinin çıkış akım ve gerilim çıkışı, giriş güç kaynağı ile orantılı değildir; geri besleme döngüsü dolayısıyla çıkış sinyalleri kapalı röle test kiti giriş güç kaynağına bağlı değildir. Otomatik Röle Test Kiti çıkışı, giriş güç kaynağında küçük bir dengesizlik olsa bile kararlıdır 2. Doğruluk, Çözünürlük ve işlevsellik: Otomatik röle test kitleri ile kullanıcı, faz frekansını ve tüm akım ve gerilim sinyallerinin büyüklüğünü bağımsız olarak çok yüksek çözünürlük ve doğrulukla değiştirebilir. Bu, manuel varyak yardımıyla yalnızca büyüklüğü ( V veya I ) artırabilen veya değiştirebilen geleneksel ikincil enjeksiyon kitlerinde mümkün değildir. 03 Sayısal röle test kiti nedir? Nümerik röle test kiti, otomatik veya mikroişlemci tabanlı röle test kitlerinin diğer bir adıdır. Nümerik röleler genellikle yüksek doğruluktadır ve son derece hassas otomatik röle test kitleriyle test edilebilir 04 Üniversal röle test kiti nedir? Üniversal Röle Test Kiti, kullanıcının akım ve gerilim kaynaklarının fazını, frekansını ve büyüklüğünü bağımsız olarak değiştirebildiği ve her türlü arızayı üretebildiği otomatik röle test kitlerinin diğer bir adıdır. 05 Güç sisteminde sadece 3 faz CT veya PT varken 6 Faz röle Test Kiti nedir? Birçok müşteri, 6 fazlı röle test kiti notasyonu ile karıştırılmaktadır. Üst düzey röle test kitleri, faz frekansı ve büyüklüğü bağımsız olarak değiştirilebilen altı akım kaynağına sahiptir. Bu 6 akım kaynağı, diferansiyel rölelerin test edilmesinde çok faydalıdır. 06 Otomatik Röle Test Kitleri ile gelişmiş yazılıma ne gerek var? Her bir arızanın, CT veya PT sinyalinin Faz, frekans veya büyüklük değişimi nedeniyle üretildiğini bildiğimiz için, Çok az arıza simülasyonu çok basit değildir (Mesafe Rölelerinin Dörtgen özelliklerini test etmek gibi). Gelişmiş yazılımlar, karmaşık arızaların simülasyonunda çok faydalıdır. Kingsine Kullanıcısı, standart satın alma işleminde hepsi bir arada gelişmiş yazılıma sahip olur . 07 Röle test kitlerinde neden yüksek akım ve gerilim amplifikatörleri tercih edilir? Akım ve Gerilim kaynaklarının röle test kitinin ruhu olduğu gerçekten söylenir. Yüksek akım ve gerilim sinyali aşağıdaki şekillerde yararlıdır 5A Aşırı Akım Rölelerini 10 Defa test etmek için 3X50A enjekte etmemiz gerekiyor ki bu yüksek akım rölesi Test Kitleri ile mümkün Daha yüksek akımla, BIAS Eğrisinin daha yüksek noktasında bir diferansiyel röleyi test edebiliriz. Daha yüksek Akımlarla, Geçici Hata Oynatmada daha yüksek hataları simüle edebiliriz. Kingsine Test Kitleri, her biri 0 - 35A ( @450VA ) ve her biri 0 - 300V ( 124 VA ) olan en yüksek Akım Derecelendirme kaynaklarına sahiptir 08 Röle test kitlerinde neden yüksek güçlü amplifikatörler tercih edilir? Elektromekanik rölelerin test edilmesi için yüksek güç gerektiğinden, yüksek güçlü amplifikatörlere sahip Röle Test Kitleri tercih edilir. Ayrıca, bir röle test kiti daha yüksek güç derecesine sahipse, daha düşük güç değerleri için görev döngüsü yüksektir, dolayısıyla daha sağlam tasarımdır. Kingsine, her biri 480VA'lık ( @35A ) en güçlü akım kaynaklarına ve her biri 124VA'lık ( @310V ) en güçlü voltaj kaynaklarına sahiptir 09 Otomatik röle test kiti seçerken hangisi daha önemlidir, Gelişmiş yazılım mı yoksa güçlü donanım mı?" Güçlü bir donanım, röle test kitinin uzun süre sağlam kalması için en önemli unsurdur. Çok az uygulama yüksek güçlü kaynaklara ihtiyaç duyar. Gelişmiş yazılım, kullanıcının en karmaşık röleleri bile en kolay şekilde test etmesine yardımcı olan bir araçtır. Bu nedenle, günümüz senaryosunda röle test kiti, yüksek dereceli kaynaklar ve gelişmiş yazılımın bir kombinasyonu olacaktır. K3063i, her ikisi için de iyi bir kombinasyon 10 Kingsine röle test kitleri neden piyasadaki en yüksek güç derecesine sahiptir? Kingsine'de her bir akım Kaynağı 480VA @35A'dır ve Voltaj Kaynağı 124VA@310V'dir, dolayısıyla piyasadaki en yüksek değerdir. 11 Kingsine K3063i neden güç ve doğruluğun en iyi birleşimidir? K3063i, yüksek güçlü voltaj ve akım kaynağına (akım Kaynağı 480VA @35A ve Voltaj Kaynağı 124VA@310V) sahipken, 3 A akım aralığına sahiptir, bu da daha düşük akımlarda çok yüksek doğruluk sağlar. 12 Herhangi bir KPM'nin test ekipmanı için kime başvurmalı support ? Her türlü sorunuz için Teknik Danışmanımızla Consultant@kpmtek.com adresinden iletişime geçmekten çekinmeyin. 13 HİNDİSTAN'da bulunan Kingsine röle test kitlerinin servis merkezi nerededir? Gurgaon, Haryana'da %100 yedek kullanılabilirliğe sahip bir gelişmiş servis merkezimiz var. 14 df/dt rölesi nedir, Kingsine Röle Test Kitlerini kullanarak test edebilir miyim?" Frekans Değişim Oranı (ROCOF veya df/dt) rölesi, hızlı yük atma, aşırı ve düşük frekans durumlarında çalışma süresini hızlandırmak ve şebeke kaybını algılamak için kullanılır. ROCOF veya df/dt röleleri, ana üretimin ani kaybı durumunda bir şebekenin frekans çöküşünü durdurmada özellikle etkilidir. Bunun nedeni, frekans bozulma hızının ölçülmesiyle, düzeltici eylemin, senkron ara bağlantının frekansının, jeneratör düşük frekans rölelerinin veya ünite yardımcılarının açacağı / çalışacağı bir noktaya düştüğü andan çok önce başlatılabilmesidir. tam bir sistem kapatma. df/dt, bir sistemdeki ani üretim kapasitesi kaybının sistem frekansında bir düşüşün eşlik edeceği durumlarda yük atma için kullanılır. Böyle bir yük Üretim uyuşmazlığı durumunda, sistem frekansı düşme eğilimindedir. df/dt rölesi devre kesicileri kontrol edebilir ve fiderlerin teker teker ağ bağlantısının kesilmesine izin verebilir. Kingsine Software'de df/dt testi için özel bir modül vardır 15 Mesafe rölesi nedir, Hangi röle test kitleri bu röleleri test edebilir?" Bir Mesafe rölesi / empedans rölesi, gerilim tutuculu bir aşırı akım rölesidir. Röle empedansı arıza noktasına kadar ölçer ve bu empedans röle ayarı Z'den düşükse açma komutu verir. Röle ayarı Z kopya empedans olarak bilinir ve ayarlanan empedansla orantılıdır, yani empedans rölenin erişimine kadar . Röle, I - CT hat akımını ve V - PT bara gerilimini sürekli olarak izler ve V/I oranı ayarlanan değerin altına düştüğünde çalışır. Kingsine'de hem K68i hem de K3063i, mesafe rölelerini test etmek için özel modüllere sahiptir. 16 Elektromekanik röleleri test etmek için neden yüksek güçlü röle test kiti gereklidir? Elektromekanik röleler yüksek empedanslı bobinlere sahiptir, test sırasında röle test kitinin yüksek empedanslı bobinler yoluyla akım enjekte etmesi gerekir, dolayısıyla yüksek yük gerekir. Kingsine kitleri en yüksek yüke sahiptir, bu nedenle her türlü röleyi test etmek için idealdir. 17 Otomatik geçiş test kitinin gelişmiş Geçici oynatma işlevi nedir? Artık tüm gelişmiş röleler bir arıza kaydedici işleviyle geliyor. Ne zaman bir hata ortaya çıksa, bu hata dosyası .cfg/comtrade dosyası biçiminde röleye kaydedilir. Röle test kiti bu dosyayı kendi yazılımına alıp, akım ve gerilim kaynaklarını kullanarak dosyayı tekrar oynatabilme özelliğine sahiptir. Buna Geçici oynatma özelliği denir. 18 Röle test kiti çalıştırılırken bağlantılarda dikkat edilmesi gereken önlemler nelerdir? Site önlemlerinden birkaçı -: Röle test kitine bağlanacak tüm CT ve PT terminallerinde gerilim olmamalıdır. Topraklama her zaman kite bağlı olmalıdır. Test sırasında, röle test kitiyle aynı güç kaynağı devresinde kaynak setleri gibi yüksek akım dalgalanma ekipmanlarından kaçınılmalıdır. Her zaman ilgili yerel veya uluslararası test standardına göre çalışın. 19 Kingsine Otomatik Röle Test Kitlerinde ne tür koruma özellikleri bulunmaktadır? Kingsine Röle Test Kitleri aşağıdaki korumalara sahiptir Kısa Devre koruması Voltaj Amplifikatörlerine sahiptir Akım amplifikatörleri için açık devre koruması Aşırı Isınmaya Karşı Koruma . Sağlık Toprak Göstergesi vb. 20 Diferansiyel Röleleri test etmek istiyorum Hangi tip röle test kiti benim için daha uygun? 3 faz bazında diferansiyel röleyi test etmek için 6 Akım Kaynağı rölesi test kitine ihtiyacımız var, yani K3063i , Diferansiyel röleyi fazdan faza bazında ayrıca 3 akım kaynağı rölesi test kiti K68i kullanarak test edebiliriz

KPM ENGINEERING SOLUTIONS is an electrical test equipment provider with strong support. Our solutions are Relay Test Kit, CT/PT Analyzer, Oil BDV, Transformer Testing, Circuit Breaker Testing, LA Testing, Ground Testing, Partial Discharge Testing, Thermal Imager Camera, PIK, SIK, AC/DC HIPOT. İLETİŞİM Gurgaon Office : Telefon Numarası : +91 124 4001088, Email : sales@kpmtek.com _cc781905-5cde-3194-bb3b- 136bad5cf58d_ ( Satış ve Servis Merkezi ) Bangalore Office : Phone Number : +91 8123950553, Email : blr@kpmtek.com _cc781905-5cde-3194-bb3b -136bad5cf58d_ _cc781905-5cde -3194-bb3b-136bad5cf58d_ ( Satış ve Servis Merkezi ) EU Contact _cc781905-5cde-3194 -bb3b-136bad5cf58d_ : Phone Number :+48 539438443 , Email : sales@kpmtek.com _cc781905-5cde-3194 -bb3b-136bad5cf58d_ _cc781905 -5cde-3194-bb3b-136bad5cf58d_ ( Satış ve Teknik Destek )

In KPM Engineering Solution Pvt. Ltd our solutions are Thermal Imager camera, fever monitoring solution, Relay Test Kit, CT/PT Analyzer, Oil BDV, Transformer Testing , Circuit Breaker Testing, LA Testing, Ground Testing, Partial Discharge Testing. Visit www.kpmtek.com for details Video Gallery Photos Videos Anchor 1 Video Gallery Load More Video Gallery All Videos All Videos Videoyu Oynat Paylaş Tüm Kanal Video Seçin Facebook Twitter Pinterest Tumblr Bağlantıyı Kopyala Bağlantı Kopyalandı Search videos Video ara... Şimdi Oynuyor KPM KFA320 00:35 Videoyu Oynat Şimdi Oynuyor KPM intro (M) 01:16 Videoyu Oynat Şimdi Oynuyor KPM India - Your Reliable Electrical Test Equipment Solution Provider 01:20 Videoyu Oynat Anchor 2

Advanced partial discharge testing equipment by KPM for precise detection, insulation analysis, and condition monitoring of electrical assets. ÇEVRİMİÇİ PD & TOPRAK İZLEME KPM PENTA PD (HAND HELD) View more Partial Discharge Detector Penta-PD is an ideal partner for condition-based maintenance programs. Partial Discharge Detector Penta-PD incorporates all 5 types of online PD sensor technology. Information from multiple sensors gives Partial Discharge Detector Penta-PD the versatility to detect various type PD in variety of substation apparatus. KPM PDM-01,Partial Discharge Monitor View more The KPM PDM-01 partial discharge detector stands out as a versatile digital tool within KPM's product range. Featuring a 10.1-inch touch screen, it replaces the traditional oscilloscope tube and physical knob operation, enhancing user convenience. The instrument employs a full touch screen interface, contributing to extended product longevity and incorporates useful features such as automatic correction, high voltage divider ratio settings, and serial communication for uploading test data. KPM PDTI Cable Termination Monitor View more The KPM PDTI system is deployed on primary switching equipment such as ring network switch cabinets, cable termination boxes, and transformer output cables etc. within the power distribution network. Its primary function is to conduct online monitoring of partial discharge, indicating potential short circuits and ground faults in corresponding cable sections, along with real-time temperature monitoring. KPM Corona Pointer View more KPM Corona Pointer is an ideal equipment for condition-based maintenance programs. Online partial discharge testing is a method of inspecting the insulation of electric power systems while equipment remains energized and in service. Corona Pointer is based on online Ultrasonic PD sensor technology. KPM Duo PD - Handheld PD monitoring system View more KPM Duo PD is a handheld partial discharge tester which uses the ultrasonic signal generated by partial discharge to determine the existence and location of partial discharge and combines the real-time displayed images and data to quickly diagnose partial discharge conditions. KPM PDA-01, Partial Discharge Monitor View more The KPM PDA-01 features a split, modular design, with the local discharge signal conditioning module, digital acquisition module, and test voltage acquisition module integrated into the instrument. The powerful local discharge test and analysis system software is installed on the host computer, which connects to the instrument via USB and RS232 serial ports. KPM PD Pulse-8, Online Partial Discharge Monitor View more KPM PD Pulse-8 partial discharge online monitoring device includes a modularly designed partial discharge sensor and a partial discharge data processing terminal. The partial discharge sensor can effectively monitor ultrasonic and transient earth voltage signals. Its sensors are a two-in-one integrated assembly that can be installed on the HV equipment. Sık Sorulan Sorular ( SSS ) FAQ about Partial discharge : 01 What are the Top 5 PD Testing Techniques – A Quick Comparison? 1) Ultrasonic PD Detection - Detects sound waves from PD events - Portable, good for on-site inspections - Limited sensitivity in noisy environments 2) High-Frequency Current Transformer (HFCT) - Measures high-frequency currents on cables - Effective for early PD detection - Requires access to grounding points 3) Transient Earth Voltage (TEV) - Detects electromagnetic signals from PD inside metal enclosures - Non-intrusive and widely used in switchgear - Limited for external PD sources 4) Oscilloscopic PD Measurement - Directly captures PD pulses using specialized sensors - Very detailed and accurate - Requires expert analysis and controlled environment 5) Acoustic Emission (AE) Sensors - Captures elastic waves from PD activity - Useful for localizing PD sources - Can be affected by external noise - KPM offers advanced PD measurement systems combining multiple techniques for comprehensive, reliable diagnostics. 02 What do you understanding AE, HFCT, TEV, and UHF – Which PD Kit Do You Need? Choosing the right Partial Discharge (PD) testing kit depends on your equipment type, accessibility, and testing goals. Here’s a quick comparison: 1. AE – Acoustic Emission How it works: Detects sound waves from PD using piezoelectric sensors. Best for: Transformers, bushings, and GIS (localizing PD points). Pros: Non-invasive, good for pinpointing PD. Limitations: Sensitive to external noise. 2. HFCT – High-Frequency Current Transformer How it works: Clamped around the grounding conductor to detect PD pulses. Best for: Cables, terminations, rotating machines. Pros: Early detection, non-intrusive. Limitations: Needs grounding access; less effective in noisy ground systems. 3. TEV – Transient Earth Voltage How it works: Senses electromagnetic emissions on metal-clad switchgear. Best for: MV switchgear (metal-enclosed). Pros: Easy to use, fast screening. Limitations: Doesn’t work well on non-metallic enclosures. 4. UHF – Ultra High Frequency How it works: Captures high-frequency EM waves from PD (300 MHz+). Best for: GIS, gas-insulated transformers, sealed systems. Pros: Very sensitive and noise-immune. Limitations: Needs access to UHF sensors or couplers. Which Kit Do You Need? For switchgear: TEV + AE For cables and rotating machines: HFCT For GIS or sealed systems: UHF + AE For transformers and bushings: AE + HFCT KPM offers hybrid PD testing kits combining AE, TEV, HFCT, and UHF sensors for complete diagnostics across all asset types—helping you localize, classify, and trend PD activity efficiently. 03 What is principle of detecting PD in Switchgear Using TEV Method ? The Transient Earth Voltage (TEV) method detects partial discharge activity in metal-clad switchgear by capturing fast, high-frequency voltage transients that appear on the internal metal surfaces of the switchgear enclosure. How It Works: When partial discharge occurs inside the insulation of live parts (e.g., busbars, bushings), it emits electromagnetic pulses. These pulses induce high-frequency voltage transients on the inner surface of the switchgear's metal enclosure. These transients propagate through the metal, eventually reaching the outer surface. A TEV sensor, placed magnetically or capacitively on the metal surface, detects these transient voltages—typically in the range of MHz frequencies. Why It Works Well for Switchgear: Switchgear panels are metal-enclosed, which acts as a waveguide for the transient signals. TEV signals indicate internal insulation defects like surface tracking, void discharges, or corona inside the equipment. TEV detection is non-invasive, requires no shutdown, and is widely used for condition-based maintenance. What TEV Tells You: Presence of internal PD Severity of the discharge (by amplitude and repetition rate) Useful for early detection before insulation failure KPM’s PD testing kits integrate TEV sensors with digital displays and trending software, making it easy to perform on-site diagnostics of medium-voltage switchgear for early PD detection and risk assessment. 04 What are the Diagnosing Cable Defects With HFCT-Based PD Testing ? High-Frequency Current Transformer (HFCT) sensors are widely used for detecting and diagnosing partial discharge (PD) activity in power cables. They are clamped around the earth (ground) conductor to sense high-frequency current pulses generated by insulation defects. How HFCT PD Testing Works: PD Activity Inside Cable Insulation: Voids, cracks, or deteriorated insulation cause small electrical discharges. Pulse Propagation: These discharges generate high-frequency current pulses (MHz range) that flow along the grounding system. HFCT Sensor Detection: The HFCT sensor detects these pulses non-invasively by clamping it around the cable’s earth conductor without disconnecting the system. Signal Analysis: The captured pulses are analyzed for: Pulse shape and repetition rate Time-of-flight (for PD location) Amplitude and phase-resolved patterns (PRPD) What It Diagnoses: Defects in cable joints, terminations, insulation Water trees or aging in XLPE cables Internal corona or tracking activity Advantages of HFCT PD Testing: Online or offline testing possible Non-intrusive and safe Early detection prevents costly cable failures Can be used with multiple sensors for PD location (triangulation) KPM’s HFCT-based PD testing solutions are designed for rapid setup, high sensitivity, and advanced diagnostics—enabling utilities and industries to monitor cable health with confidence. 05 What is UHF PD Testing in GIS – High Sensitivity Explained? Ultra High Frequency (UHF) PD testing in Gas-Insulated Switchgear (GIS) is a highly sensitive method that detects partial discharge by capturing electromagnetic signals in the 300 MHz to 1.5 GHz range. GIS enclosures, being metallic and sealed, confine PD signals and create a low-noise environment—making UHF detection extremely effective. UHF sensors, typically built into or attached to the GIS via couplers or antennae, pick up these fast transients without interfering with system operation. This method offers excellent immunity to external noise and allows early detection of insulation defects such as voids, surface discharges, or corona, enabling preventive maintenance and reducing outage risk. KPM’s UHF PD solutions are optimized for GIS testing, offering precise, real-time diagnostics with minimal intrusion. 06 How PD Can Cause Catastrophic Failures If Left Undetected ? Partial Discharge (PD) is a small electrical spark that occurs within insulation systems due to defects like voids, cracks, or contamination. While each discharge releases only a small amount of energy, repeated activity degrades insulation over time, leading to progressive damage. If left undetected, PD can cause tracking, erosion, thermal breakdown, and eventually a complete insulation failure. This can result in catastrophic equipment breakdowns, fires, arc flash events, or prolonged outages. Early PD detection helps identify developing faults before they escalate, allowing timely intervention. KPM’s PD monitoring solutions provide accurate diagnostics to prevent such costly and dangerous failures. 07 How Often Should You Perform Partial Discharge Tests? The frequency of Partial Discharge (PD) testing depends on equipment type, criticality, age, and operating environment: New Installations: Test during commissioning to detect manufacturing or installation defects. Routine Maintenance: For critical assets (e.g., GIS, transformers, cables): annually or semi-annually For less critical systems: every 2–3 years Condition-Based Monitoring: For aging or high-risk equipment, use continuous or periodic online PD monitoring. After Major Events: Test after faults, repairs, or overloading. KPM offers both portable and continuous PD monitoring solutions tailored to asset condition and reliability goals. 08 What is Acoustic Emission for PD Detection – Emerging Trends? Acoustic Emission (AE) is an emerging technique in Partial Discharge (PD) detection, leveraging sound waves generated by PD activity within high-voltage equipment. AE sensors capture ultrasonic emissions, allowing non-intrusive, real-time monitoring of insulation health. Recent trends include the integration of AI algorithms for noise discrimination, wireless AE sensor networks for wide-area monitoring, and hybrid systems combining AE with UHF or HFCT methods for higher accuracy. KPM’s PD monitoring device incorporates these advancements by using sensitive AE sensors to detect PD in transformers, switchgear, and cable terminations. The system filters external noise and correlates AE signals with discharge activity, ensuring precise fault localization. Its compact design, cloud integration, and user-friendly interface make it suitable for continuous condition monitoring. This enables utilities to predict insulation failure early, plan timely maintenance, and improve grid reliability while aligning with modern digital substation standards. 09 What to Watch Out For while working on PD Testing in Motors and Generators ? Partial Discharge (PD) testing in motors and generators is critical for identifying early insulation deterioration, especially in high-voltage rotating machines. Key factors to watch out for include surface discharge near end windings, slot discharges, and internal PD caused by insulation voids. External noise interference, poor sensor placement, and incorrect test settings can lead to false readings or missed defects. It’s essential to differentiate between actual PD signals and electrical noise, especially in operational (online) testing. KPM’s PD tester addresses these challenges with high-frequency current transformer (HFCT) sensors, advanced noise separation algorithms. The device enables clear PD signal capture even in electrically noisy environments. It provides real-time analysis, waveform capture, and trend data, helping maintenance teams make informed decisions. KPM’s compact, rugged design and intuitive interface make it ideal for field diagnostics in motors and generators across power plants and industrial sites. 10 How to Interpret PD Signals? Interpreting Partial Discharge (PD) signals is crucial for diagnosing insulation issues accurately. Real-world case studies reveal that many failures arise not from PD presence, but from misinterpretation. In one case, a generator end-winding PD signal was mistaken for noise due to poor sensor grounding. Another involved a cable joint where increasing PD magnitude over time indicated a void-related breakdown—early intervention prevented a costly outage. Key learnings include the importance of phase-resolved PD (PRPD) pattern analysis, baseline signal comparison, and monitoring PD trends over time. Environmental noise, load conditions, and sensor placement significantly impact data quality. KPM’s PD tester simplifies interpretation with built-in PRPD pattern recognition, automated classification, and trend analytics. Its intelligent algorithms filter out noise and identify critical PD types—internal, surface, or corona—with high accuracy. By offering both real-time insights and historical tracking, KPM's tester empowers engineers to make confident maintenance decisions and extend asset life. FAQ about Monitoring testing : 01 What is the use of online partial discharge (PD) monitoring of panels using TEV and contact ultrasonic methods? Online partial discharge monitoring of medium-voltage and high-voltage panels using TEV (Transient Earth Voltage) and contact ultrasonic methods is used to detect and localize internal insulation defects and surface discharges without shutting down the equipment. Here's how each method contributes: 1. TEV (Transient Earth Voltage) Method Use: Detects internal PD activity, especially within air-insulated switchgear (AIS) and cable terminations inside metal-clad panels. How it works? When PD occurs inside enclosed metal-clad gear, it emits fast-rising electromagnetic pulses that induce transient voltages on the metal surfaces. TEV sensors pick up these signals from outside the panel. Benefit: Non-invasive, detects internal voids, tracking, and corona effects. 2. Contact Ultrasonic Method Use: Detects surface discharges, such as corona or tracking, which emit high-frequency acoustic signals. How it works? A piezoelectric sensor placed on the panel surface detects ultrasonic noise generated by PD activity, even through the enclosure. Benefit: Helps locate poor insulation, loose connections, or contamination issues causing discharge on the surface. Combined Use – Why It Matters? Using both TEV and ultrasonic methods together enhances diagnostic accuracy: TEV gives insight into internal discharge severity and location. Ultrasonic confirms surface or near-surface PD sources and allows cross-verification. This dual-method approach is vital for: Preventive maintenance, Avoiding insulation failures, Improving switchgear reliability, and Extending equipment life without needing shutdowns.

Advanced earth testing kits by KPM for precise ground resistance measurement, soil resistivity testing, and electrical safety compliance. TOPRAK / ZEMİN TESTİ Earth Tester - Spike Yöntemi Daha fazlasını öğrenin Earth Tester (Spike Method) KPM -ET30K Earth Resistance & Soil Resistivity Tester is specially designed and manufactured for measuring earth resistance, soil resistivity, earth voltage &_cc781905-5cde-3194-bb3b- 136bad5cf58d_AC gerilimi. ET30K adopts the latest technology for precise 4-pole, 3 -pole and simple 2-pole measurement for earth direnç. importing FFT and AFC technology,_cc781905-5cde- 3194-bb3b-136bad5cf58d_ with a unique function of anti-interference capability and the ability to adapt to the_cc781905-5cde-3194- bb3b-136bad5cf58d_ environment, consistency of repeat testing,_cc781905-5cde-3194-bb3b -136bad5cf58d_ uzun süreli ölçümlerde yüksek hassasiyet, yüksek kararlılık ve güvenilirlik sağlamak için Toprak Test Cihazı - Kelepçe Yöntemi Daha fazlasını öğrenin Kelepçeli Topraklama Test Cihazı (KPM-CET1200) is zemin direnci ölçümünde yaygın olarak uygulanır, loop elektrik_cc781905-5cde-3194-bb3cd5b-5b-136 gibi alanlarda direnç ölçümü , petrol sahası, architecture and endüstriyel elektrikli ekipman, etc. Döngü ile zemin sistemini ölçerken, hiçbir zemin bağlantısını kesme ihtiyacı yoktur yardımcı olmayan tel electrode, bu daha güvenli ve daha hızlı anlamına gelir. Clamp Topraklama Test Cihazının (KPM-CET1200) Temel Özellikleri Toprak direncini/döngü direncini ölçer Büyük çene ölçüsü (65mmx32mm) Geniş direnç ölçüm aralığı (0,01Ω ila 1200Ω) Geniş akım ölçüm aralığı (0,01A - 20A) Karşılıklı bağlı toprak çukuru devrelerini test etmek için ideal Earth Tester - Spike Yöntemi Daha fazlasını öğrenin Earth Tester (Spike Method) KPM -ET30K Earth Resistance & Soil Resistivity Tester is specially designed and manufactured for measuring earth resistance, soil resistivity, earth voltage &_cc781905-5cde-3194-bb3b- 136bad5cf58d_AC gerilimi. ET30K adopts the latest technology for precise 4-pole, 3 -pole and simple 2-pole measurement for earth direnç. importing FFT and AFC technology,_cc781905-5cde- 3194-bb3b-136bad5cf58d_ with a unique function of anti-interference capability and the ability to adapt to the_cc781905-5cde-3194- bb3b-136bad5cf58d_ environment, consistency of repeat testing,_cc781905-5cde-3194-bb3b -136bad5cf58d_ uzun süreli ölçümlerde yüksek hassasiyet, yüksek kararlılık ve güvenilirlik sağlamak için Çevrimiçi Toprak Test Cihazı (GERM) Daha fazlasını öğrenin Kritik Topraklama Sisteminizin sağlığını çevrimiçi izlemek için Son Teknoloji Cihaz Izgara Toprak Direnci Monitörü (Germ ), Online'ın Toprak Çukurlarının gerçek zamanlı toprak direnci değerini izleyen ve herhangi bir arıza tespit ettiğinde alarm veren bir art cihazının durumudur . Siteden gelen tüm bilgiler güvenli bir şekilde gelişmiş iletişim yöntemleri ile sunucuya gönderilir. Sık Sorulan Sorular ( SSS ) FAQ about Earth testing : 01 Difference between Clamp and Spike Method? Earth Resistance Testing: Clamp vs. Spike Method : The Clamp Method and the Spike (Fall-of-Potential) Method are two commonly used techniques for measuring earth resistance, each with distinct use cases. The Spike Method (also known as the three-point or fall-of-potential method) is considered the most accurate and is typically used during installation or scheduled maintenance when it’s feasible to disconnect the grounding system. It requires driving two auxiliary spikes into the ground at set distances from the earth electrode and measuring the voltage drop created by a test current. This method provides a true earth resistance value but is time-consuming, invasive, and requires open ground access. In contrast, the Clamp Method (or Stakeless method) is a quick, non-intrusive test ideal for live systems where disconnecting the earth rod is not possible. Using a special clamp meter, the method induces a test signal and measures current flow through parallel earth paths. It’s convenient and fast but is only applicable when multiple grounding paths exist (e.g., in mesh or grid systems). The Clamp Method does not provide accurate results for isolated earth rods or when there is only a single grounding point. In summary, the Spike Method is best for accurate baseline testing during commissioning, while the Clamp Method is ideal for routine checks on operational systems without disrupting service. 02 How to Ensure Compliance With Earth Testing in Renewable Sites? Ensuring Compliance with Earth Testing in Renewable Sites : To ensure safety and meet regulatory standards in solar, wind, or hybrid renewable energy systems, proper earth resistance testing is essential. Key Steps: Follow Standards: Comply with IEC 60364, IEEE 80, BS 7430, or local codes. Test Soil Early: Conduct soil resistivity surveys during design to select the right grounding method. Use Proper Methods: Apply the Fall-of-Potential method for commissioning and Clamp Method for periodic checks. Keep Records: Log all test data with method, instrument, and environmental details. Test Regularly: Schedule annual or biannual resistance tests to catch degradation early. Use Remote Monitoring (if available): SCADA or sensors can track resistance levels continuously. Train Personnel: Ensure field staff know correct testing procedures and safety protocols. Third-Party Verification: For audits or large projects, use certified inspectors for compliance reporting. 03 What will be seasonal Impact on Ground Resistance Measurements? Seasonal Impact on Ground Resistance Measurements Ground resistance values can vary significantly with seasonal changes due to environmental factors affecting soil conditions: Soil Moisture: During wet seasons (rainy or winter), soil moisture increases, lowering ground resistance by improving conductivity. Conversely, dry seasons cause soil to dry out, increasing resistance. Soil Temperature: Colder temperatures can increase soil resistivity as water in soil may freeze, reducing conductivity. Warmer temperatures generally improve conductivity. Soil Composition Changes: Seasonal changes in organic matter decomposition and salt concentration may also affect soil resistivity. Vegetation and Ground Cover: Plant growth during certain seasons can affect soil moisture retention and contact with grounding electrodes. Implications Testing during different seasons may yield varying results; hence, baseline measurements should be taken in both dry and wet conditions to understand worst-case scenarios. For accurate monitoring and compliance, schedule tests consistently or adjust acceptable resistance thresholds based on seasonal variation.

Advanced monitoring solutions by KPM for real-time system monitoring, diagnostics, and performance analysis in industrial applications. ÇEVRİMİÇİ PD & TOPRAK İZLEME Penta PD - Kısmi Deşarj Dedektörü Daha fazlasını öğrenin Penta PD Kısmi Deşarj Dedektörü Kısmi Deşarj Dedektörü Penta-PD, duruma dayalı bakım programları için ideal bir ortaktır. Kısmi Deşarj Dedektörü Penta-PD, 5 tür çevrimiçi PD sensör teknolojisinin tümünü bünyesinde barındırır. Birden fazla sensörden gelen bilgiler, Kısmi Deşarj Dedektörü Penta-PD'ye, çeşitli trafo merkezi aparatlarında çeşitli tipte PD'yi algılamak için çok yönlülük sağlar. Algılama Bant Genişliği 1.TEV - Geçici Toprak Gerilimi, Aralık 3～100 MHz 2.UHF - Ultra Yüksek Frekans 300MHz～2000 MHz 3.UA – Ultrasonik 40 ～ 200 KHz Ölçüm aralığı 1.UA: -90~80dB 2.TEV: -80~10dBm 3.UHF: -80~10dBm. Sensör: a) Ultrasonik sensör: 20~200(kHz); b) EV (Geçici Toprak Gerilimi) sensörü: 5 ~ 100MHz; c) UHF sensörü: 300~2000(MHz), yönlü alım karakteristiği ile. Penta PD - Kısmi Deşarj Dedektörü Daha fazlasını öğrenin Penta PD Kısmi Deşarj Dedektörü Kısmi Deşarj Dedektörü Penta-PD, duruma dayalı bakım programları için ideal bir ortaktır. Kısmi Deşarj Dedektörü Penta-PD, 5 tür çevrimiçi PD sensör teknolojisinin tümünü bünyesinde barındırır. Birden fazla sensörden gelen bilgiler, Kısmi Deşarj Dedektörü Penta-PD'ye, çeşitli trafo merkezi aparatlarında çeşitli tipte PD'yi algılamak için çok yönlülük sağlar. Algılama Bant Genişliği 1.TEV - Geçici Toprak Gerilimi, Aralık 3～100 MHz 2.UHF - Ultra Yüksek Frekans 300MHz～2000 MHz 3.UA – Ultrasonik 40 ～ 200 KHz Ölçüm aralığı 1.UA: -90~80dB 2.TEV: -80~10dBm 3.UHF: -80~10dBm. Sensör: a) Ultrasonik sensör: 20~200(kHz); b) EV (Geçici Toprak Gerilimi) sensörü: 5 ~ 100MHz; c) UHF sensörü: 300~2000(MHz), yönlü alım karakteristiği ile. PQ Analiz Cihazı Light Daha fazlasını öğrenin Model KPM PQ Işık 1) Ürün bileşen tipi Tutma yeri çok fazlı güç ölçer 2) Faz açıklaması 3PH4W (In olmadan) 3PH3W 1PH2W (LN); 1PH2W(LL);1PH3W(LLN) 3. Cihaz uygulaması • Güç analizi • Enerji ölçer 4. Giriş tipi • Harici Rogowski bobini • Harici CT (yalnızca 333mV) 5. Ekran 3,5 inç TFT ekran görüntüsü 6. Örnekleme hızı Saniyede 8k örnek 7. Harmonik 52. Maks 8. Mekanik özellikler • Ağırlık 350g • Boyut U*G*D:21,5*10*3,5CM Güç Kalitesi Analizörü + Daha fazlasını öğrenin Model KPM PQ Işık 1) Ürün bileşen tipi Tutma yeri çok fazlı güç ölçer 2) Faz açıklaması 3PH4W (In ile) 3PH3W 1PH2W (LN); 1PH2W(LL);1PH3W(LLN) 3. Cihaz uygulaması • Güç analizi • Enerji ölçer 4. Giriş tipi • Harici Rogowski bobini • Harici CT (yalnızca 333mV) 5. Ekran 3,5 inç TFT ekran görüntüsü 6. Örnekleme hızı Saniyede 8k örnek 7. Harmonik 52. Maks 8. PC Bağlantısı 8. Mekanik özellikler • Ağırlık 350g • Boyut U*G*D:21,5*10*3,5CM Güç Kalitesi Analizörü + Daha fazlasını öğrenin Model KPM PQ Işık 1) Ürün bileşen tipi Tutma yeri çok fazlı güç ölçer 2) Faz açıklaması 3PH4W (In ile) 3PH3W 1PH2W (LN); 1PH2W(LL);1PH3W(LLN) 3. Cihaz uygulaması • Güç analizi • Enerji ölçer 4. Giriş tipi • Harici Rogowski bobini • Harici CT (yalnızca 333mV) 5. Ekran 3,5 inç TFT ekran görüntüsü 6. Örnekleme hızı Saniyede 8k örnek 7. Harmonik 52. Maks 8. PC Bağlantısı 8. Mekanik özellikler • Ağırlık 350g • Boyut U*G*D:21,5*10*3,5CM Penta PD - Kısmi Deşarj Dedektörü Daha fazlasını öğrenin Penta PD Kısmi Deşarj Dedektörü Kısmi Deşarj Dedektörü Penta-PD, duruma dayalı bakım programları için ideal bir ortaktır. Kısmi Deşarj Dedektörü Penta-PD, 5 tür çevrimiçi PD sensör teknolojisinin tümünü bünyesinde barındırır. Birden fazla sensörden gelen bilgiler, Kısmi Deşarj Dedektörü Penta-PD'ye, çeşitli trafo merkezi aparatlarında çeşitli tipte PD'yi algılamak için çok yönlülük sağlar. Algılama Bant Genişliği 1.TEV - Geçici Toprak Gerilimi, Aralık 3～100 MHz 2.UHF - Ultra Yüksek Frekans 300MHz～2000 MHz 3.UA – Ultrasonik 40 ～ 200 KHz Ölçüm aralığı 1.UA: -90~80dB 2.TEV: -80~10dBm 3.UHF: -80~10dBm. Sensör: a) Ultrasonik sensör: 20~200(kHz); b) EV (Geçici Toprak Gerilimi) sensörü: 5 ~ 100MHz; c) UHF sensörü: 300~2000(MHz), yönlü alım karakteristiği ile. Penta PD - Kısmi Deşarj Dedektörü Daha fazlasını öğrenin Penta PD Kısmi Deşarj Dedektörü Kısmi Deşarj Dedektörü Penta-PD, duruma dayalı bakım programları için ideal bir ortaktır. Kısmi Deşarj Dedektörü Penta-PD, 5 tür çevrimiçi PD sensör teknolojisinin tümünü bünyesinde barındırır. Birden fazla sensörden gelen bilgiler, Kısmi Deşarj Dedektörü Penta-PD'ye, çeşitli trafo merkezi aparatlarında çeşitli tipte PD'yi algılamak için çok yönlülük sağlar. Algılama Bant Genişliği 1.TEV - Geçici Toprak Gerilimi, Aralık 3～100 MHz 2.UHF - Ultra Yüksek Frekans 300MHz～2000 MHz 3.UA – Ultrasonik 40 ～ 200 KHz Ölçüm aralığı 1.UA: -90~80dB 2.TEV: -80~10dBm 3.UHF: -80~10dBm. Sensör: a) Ultrasonik sensör: 20~200(kHz); b) EV (Geçici Toprak Gerilimi) sensörü: 5 ~ 100MHz; c) UHF sensörü: 300~2000(MHz), yönlü alım karakteristiği ile. Güç Kalitesi Analizörü + Daha fazlasını öğrenin Model KPM PQ Işık 1) Ürün bileşen tipi Tutma yeri çok fazlı güç ölçer 2) Faz açıklaması 3PH4W (In ile) 3PH3W 1PH2W (LN); 1PH2W(LL);1PH3W(LLN) 3. Cihaz uygulaması • Güç analizi • Enerji ölçer 4. Giriş tipi • Harici Rogowski bobini • Harici CT (yalnızca 333mV) 5. Ekran 3,5 inç TFT ekran görüntüsü 6. Örnekleme hızı Saniyede 8k örnek 7. Harmonik 52. Maks 8. PC Bağlantısı 8. Mekanik özellikler • Ağırlık 350g • Boyut U*G*D:21,5*10*3,5CM Güç Kalitesi Analizörü + Daha fazlasını öğrenin Model KPM PQ Işık 1) Ürün bileşen tipi Tutma yeri çok fazlı güç ölçer 2) Faz açıklaması 3PH4W (In ile) 3PH3W 1PH2W (LN); 1PH2W(LL);1PH3W(LLN) 3. Cihaz uygulaması • Güç analizi • Enerji ölçer 4. Giriş tipi • Harici Rogowski bobini • Harici CT (yalnızca 333mV) 5. Ekran 3,5 inç TFT ekran görüntüsü 6. Örnekleme hızı Saniyede 8k örnek 7. Harmonik 52. Maks 8. PC Bağlantısı 8. Mekanik özellikler • Ağırlık 350g • Boyut U*G*D:21,5*10*3,5CM Güç Kalitesi Analizörü + Daha fazlasını öğrenin Model KPM PQ Işık 1) Ürün bileşen tipi Tutma yeri çok fazlı güç ölçer 2) Faz açıklaması 3PH4W (In ile) 3PH3W 1PH2W (LN); 1PH2W(LL);1PH3W(LLN) 3. Cihaz uygulaması • Güç analizi • Enerji ölçer 4. Giriş tipi • Harici Rogowski bobini • Harici CT (yalnızca 333mV) 5. Ekran 3,5 inç TFT ekran görüntüsü 6. Örnekleme hızı Saniyede 8k örnek 7. Harmonik 52. Maks 8. PC Bağlantısı 8. Mekanik özellikler • Ağırlık 350g • Boyut U*G*D:21,5*10*3,5CM Sık Sorulan Sorular ( SSS ) FAQ about Monitoring testing : 01 What is the use of online partial discharge (PD) monitoring of panels using TEV and contact ultrasonic methods? Online partial discharge monitoring of medium-voltage and high-voltage panels using TEV (Transient Earth Voltage) and contact ultrasonic methods is used to detect and localize internal insulation defects and surface discharges without shutting down the equipment. Here's how each method contributes: 1. TEV (Transient Earth Voltage) Method Use: Detects internal PD activity, especially within air-insulated switchgear (AIS) and cable terminations inside metal-clad panels. How it works? When PD occurs inside enclosed metal-clad gear, it emits fast-rising electromagnetic pulses that induce transient voltages on the metal surfaces. TEV sensors pick up these signals from outside the panel. Benefit: Non-invasive, detects internal voids, tracking, and corona effects. 2. Contact Ultrasonic Method Use: Detects surface discharges, such as corona or tracking, which emit high-frequency acoustic signals. How it works? A piezoelectric sensor placed on the panel surface detects ultrasonic noise generated by PD activity, even through the enclosure. Benefit: Helps locate poor insulation, loose connections, or contamination issues causing discharge on the surface. Combined Use – Why It Matters? Using both TEV and ultrasonic methods together enhances diagnostic accuracy: TEV gives insight into internal discharge severity and location. Ultrasonic confirms surface or near-surface PD sources and allows cross-verification. This dual-method approach is vital for: Preventive maintenance, Avoiding insulation failures, Improving switchgear reliability, and Extending equipment life without needing shutdowns.

KPM India |We are electrical test equipment manufacturers, We deal in CT PT Analyzer, Relay Test Kit , Tan delta , Transformer Test Kits , LA Testers etc.|test |https://kpmtek.wixsite.com/website/tr/about-1 Heading 1 Heading 2 Heading 3 Heading 4 I'm a paragraph. Click here to add your own text and edit me. It's easy. I'm a paragraph. Click here to add your own text and edit me. It's easy. Maximum ROI

Advanced meter test kits by KPM for precise energy meter testing, calibration, and performance verification. Enerji Ölçer Testi 3 Fazlı Enerji Ölçer Referansı - MT 3000D MT 3000D MT 3000D, enerji sayaçlarının test edilmesi ve kalibrasyonu için son teknoloji taşınabilir 3 fazlı bir enerji ölçer referansıdır. MT3000D, kullanımı kolay ve hafif bir cihazdır. MT 3000D iki doğruluk seçeneğiyle sunulur (%0,05 ve %0,1) MT3000D, aşağıdaki işlevlere sahip hepsi bir arada bir birimdir Otomatik yanlış bağlantı testi Oran testi Harmonik testi Metre Doğruluk Testi ( 0.05 / 1 Sınıf ) Rapor Yazdır MT 3000B Taşınabilir üç fazlı kWh Metre yerinde Kalibratör, çalışma sırasında üç fazlı, tek fazlı, aktif veya reaktif enerji sayacını kalibre etmek için kullanılır ve ayrıca üç fazlı güç hattının AC parametresini ölçmek için voltaj, akım ve güç ölçer olarak kullanılabilir , ayrıca dalga bozulma faktörünü ve 2 ila 63 zamanlı harmonic dalgasını ölçebilir. Aşağıdaki özelliklere sahiptir: •32 bit ARM işlemci, çok kanallı 16 bit hassas A/D dönüştürücü, yüksek çözünürlüklü TFT LCD'yi benimseyin. •İç kısım %0,01 geniş aralıklı akım trafosu ile donatılmıştır ve çeşitli tip akım pensleri, geniş ölçüm aralığı ve yüksek doğruluk ile donatılabilir. •Düşük tüketimli devre tasarımı, yüksek enerjili Li pil kaynağı, enstrümanın 10 saate kadar sürekli çalışmasını sağlayan entelektüel güç yönetimi yazılımı 1 Fazlı Enerji Ölçer Test Referansı Katalog EMR 1, enerji ölçerlerin test edilmesi ve kalibrasyonu için son teknoloji taşınabilir 1 fazlı enerji ölçer referansıdır . EMR 1, kullanımı kolay ve hafif bir cihazdır. EMR 1, doğruluk oranı %0,3'tür. Özellikler 1. Şebeke beslemesini kesmeden sayaç hatalarını test edin. 2. İsteğe bağlı boş yük kutusu 3. Sertifika: ISO 9001 Features Özel plastik kalıp kutusu, hafif ve taşınabilir, LCD ekran Voltajı, akımı, gücü ölçün. güç devresinin bağlantısını kesmeden faz güç faktörü Güç devresinin bağlantısını kesmeden tek faz ölçerin pozitif/negatif hatasını test edin Geniş akım kelepçesi çaldı: 0.5-100A Geniş çalışma voltajı: AC180 - 250V Doğrudan voltaj test kablosuyla sağlanan güç kaynağı Yüksek ve düşük frekanslı enerji darbe çıkışı. Göndermesi ve test etmesi kolay Tarama kafası ile örnekleme, doğrudan elektronik ölçüm cihazının darbe girişi veya manuel anahtar kalibrasyonu Harici akım yük kutusuna bağlanabilir ve simüle edilmiş yükü destekler 1 Fazlı Enerji Ölçer Test Referansı Katalog EMR 1, enerji ölçerlerin test edilmesi ve kalibrasyonu için son teknoloji taşınabilir 1 fazlı enerji ölçer referansıdır . EMR 1, kullanımı kolay ve hafif bir cihazdır. EMR 1, doğruluk oranı %0,3'tür. Özellikler 1. Şebeke beslemesini kesmeden sayaç hatalarını test edin. 2. İsteğe bağlı boş yük kutusu 3. Sertifika: ISO 9001 Features Özel plastik kalıp kutusu, hafif ve taşınabilir, LCD ekran Voltajı, akımı, gücü ölçün. güç devresinin bağlantısını kesmeden faz güç faktörü Güç devresinin bağlantısını kesmeden tek faz ölçerin pozitif/negatif hatasını test edin Geniş akım kelepçesi çaldı: 0.5-100A Geniş çalışma voltajı: AC180 - 250V Doğrudan voltaj test kablosuyla sağlanan güç kaynağı Yüksek ve düşük frekanslı enerji darbe çıkışı. Göndermesi ve test etmesi kolay Tarama kafası ile örnekleme, doğrudan elektronik ölçüm cihazının darbe girişi veya manuel anahtar kalibrasyonu Harici akım yük kutusuna bağlanabilir ve simüle edilmiş yükü destekler 1 Fazlı Enerji Ölçer Test Referansı Katalog EMR 1, enerji ölçerlerin test edilmesi ve kalibrasyonu için son teknoloji taşınabilir 1 fazlı enerji ölçer referansıdır . EMR 1, kullanımı kolay ve hafif bir cihazdır. EMR 1, doğruluk oranı %0,3'tür. Özellikler 1. Şebeke beslemesini kesmeden sayaç hatalarını test edin. 2. İsteğe bağlı boş yük kutusu 3. Sertifika: ISO 9001 Features Özel plastik kalıp kutusu, hafif ve taşınabilir, LCD ekran Voltajı, akımı, gücü ölçün. güç devresinin bağlantısını kesmeden faz güç faktörü Güç devresinin bağlantısını kesmeden tek faz ölçerin pozitif/negatif hatasını test edin Geniş akım kelepçesi çaldı: 0.5-100A Geniş çalışma voltajı: AC180 - 250V Doğrudan voltaj test kablosuyla sağlanan güç kaynağı Yüksek ve düşük frekanslı enerji darbe çıkışı. Göndermesi ve test etmesi kolay Tarama kafası ile örnekleme, doğrudan elektronik ölçüm cihazının darbe girişi veya manuel anahtar kalibrasyonu Harici akım yük kutusuna bağlanabilir ve simüle edilmiş yükü destekler Sık Sorulan Sorular ( SSS ) FAQ about Energy meter testing : 01 What is the purpose of reference testing in energy meter calibration? The purpose of reference testing in energy meter calibration is to verify and ensure the accuracy of the energy meter by comparing its measurements against a highly precise and traceable standard—called the reference meter or standard. This process identifies any measurement errors or deviations in the energy meter under test, allowing for correction or adjustment to meet specified accuracy classes. Reference testing helps maintain measurement reliability, billing fairness, and compliance with industry standards. 02 How is the accuracy class of an energy meter determined during calibration? The accuracy class of an energy meter is determined by evaluating its measurement error under a range of standardized test conditions during calibration. This involves comparing the meter’s energy readings against those of a highly accurate reference standard meter over a set period and at various load levels and power factors. The calibration process typically tests the meter at multiple points such as: Light load (e.g., 10% of rated current) Medium load (e.g., 50% of rated current) Full load (100% of rated current) Additionally, measurements are taken at different power factors, including unity (1.0), lagging (inductive), and leading (capacitive) conditions, to simulate real operating scenarios. At each test point, the percentage error is calculated by comparing the meter’s recorded energy to that of the reference meter. The accuracy class is assigned based on whether these errors stay within the maximum allowable limits defined by standards such as IEC 62053 or ANSI C12.20. For example, a Class 1.0 meter must not exceed ±1% error under these conditions. Consistent performance across all test points confirms the meter’s accuracy class, ensuring it meets the required precision for billing or monitoring applications. 03 Do you know the common standards and regulations followed for energy meter calibration? What are the common standards and regulations followed for energy meter calibration? Energy meter calibration is governed by international and regional standards to ensure accuracy, reliability, and uniformity. The most widely followed standards include: IEC 62053 series: International standards specifying performance and accuracy requirements for different classes of electricity meters (e.g., IEC 62053-21 for static meters, IEC 62053-22 for active energy meters, and IEC 62053-23 for reactive energy meters). IEC 60521 and IEC 60522: Standards covering calibration methods and testing procedures for electric meters. ANSI C12 series: North American standards, such as ANSI C12.20, that define accuracy classes and testing protocols for electric meters. OIML R46: International recommendation by the International Organization of Legal Metrology outlining accuracy requirements and test procedures for electricity meters used in billing. National regulations: Many countries have their own legal metrology regulations and certification requirements to ensure meters used for billing comply with local laws. 04 Do you know which equipment is used as a reference standard during energy meter calibration? The reference standard in energy meter calibration is a highly accurate and traceable device known as a calibration standard meter or reference meter. This equipment has a much higher precision than the meter under test, typically with an accuracy class of 0.02% or better. Common types include: Standard reference meters: Precision static energy meters designed specifically for calibration, with traceability to national or international measurement standards. Calibrated instrument transformers: High-accuracy current and voltage transformers to supply accurate test signals. Precision power sources: Devices that can generate stable and controllable voltage and current at various loads and power factors to simulate real operating conditions. Calibration benches or test rigs: Integrated setups that combine the above equipment to perform automated, controlled calibration tests. Using these reference standards ensures that the energy meter calibration is accurate, repeatable, and compliant with metrology requirements. 05 How do environmental conditions affect energy meter calibration results? Environmental factors like temperature, humidity, and atmospheric pressure can influence the accuracy of energy meter calibration. Temperature: Changes in temperature can affect the electrical characteristics of meter components, causing measurement drift or errors. Most calibration standards specify temperature ranges within which tests should be performed to ensure consistency. Humidity: High humidity can cause condensation or moisture ingress, impacting insulation resistance and electronic circuits, leading to inaccurate readings during calibration. Atmospheric pressure: Variations in pressure can subtly affect electrical properties, especially in sensitive equipment, although its impact is generally less significant than temperature or humidity. To minimize these effects, calibrations are ideally conducted in controlled laboratory environments with stable temperature and humidity, or environmental conditions are recorded and accounted for in the calibration report. 06 What is the difference between static and dynamic energy meter calibration? Static calibration tests the energy meter under steady-state conditions by applying fixed voltage and current values at set loads and power factors. It measures the meter’s accuracy when the electrical parameters remain constant, helping to verify basic performance and error under controlled, stable conditions. Dynamic calibration, on the other hand, evaluates the meter’s performance under varying, real-world operating conditions where voltage, current, and load fluctuate over time. It simulates actual usage patterns to assess how accurately the meter records energy during transient events, load changes, and power quality variations. While static calibration is simpler and faster, dynamic calibration provides a more comprehensive assessment of meter accuracy in practical scenarios, especially important for modern smart meters and complex electrical systems. 07 How often should energy meters be recalibrated to ensure accuracy? Energy meters should typically be recalibrated every 3 to 5 years, depending on regulatory requirements, manufacturer recommendations, and the operating environment. Frequent recalibration helps detect any drift in accuracy caused by aging, environmental factors, or mechanical wear. In critical applications or harsh conditions, more frequent recalibration may be necessary. Utilities often follow national standards or legal metrology guidelines that specify maximum intervals to maintain measurement reliability and billing fairness. 08 What is the process for checking the linearity of an energy meter? Checking the linearity of an energy meter involves verifying that the meter’s measurement error remains consistent across a wide range of loads. The process includes: Apply multiple test currents: The meter is tested at different load levels, typically ranging from low (e.g., 10% of rated current) to full load (100%) and sometimes even above. Maintain constant voltage and power factor: During each test point, voltage and power factor are kept steady to isolate the current’s effect. Record meter readings: The energy measured by the meter under test is compared against a reference standard meter at each load level. Calculate percentage error: For each load, the error percentage is calculated based on the difference between the test meter and reference meter readings. Analyze results: A linear meter will show minimal variation in error across all loads. Significant deviations indicate non-linearity, which can affect billing accuracy. This test ensures the meter accurately measures energy consumption regardless of load size, essential for fair billing and reliable performance. 09 How are errors in energy meters identified and corrected during calibration? During calibration, errors in energy meters are identified by comparing the meter’s recorded energy values to those of a highly accurate reference standard under controlled test conditions. The percentage difference between the meter reading and the reference reading reveals the magnitude and direction of the error. If errors exceed acceptable limits defined by standards, corrective actions may include: Adjustment: For mechanical meters, physical adjustments (like repositioning the dial or adjusting the braking magnet) can reduce errors. Reprogramming or firmware updates: For electronic meters, software recalibration or parameter tuning may correct measurement deviations. Component replacement: Faulty parts, such as sensors or electronic modules, may be replaced to restore accuracy. Rejecting the meter: If the errors cannot be corrected within tolerance, the meter may be deemed unfit for use. After correction, the meter is re-tested to confirm that errors now fall within the required accuracy class, ensuring reliable measurement and billing.

KPM India |We are electrical test equipment manufacturers, We deal in CT PT Analyzer, Relay Test Kit , Tan delta , Transformer Test Kits , LA Testers etc. |Career | https://www.kpmtek.com/career Do you have it in you Careers "Welcome to KPM's Careers Page, where opportunities for growth and innovation abound. At the heart of our success is a vibrant culture that values collaboration, diversity, and continuous learning. We're on a mission "to bring reliable & robust solutions to customers all across the world with best ROI and backing them with expert application support " , and we're searching for dedicated individuals who share our commitment to excellence. Explore our current job openings and discover a workplace where your unique skills and aspirations can thrive. Our employees are at the core of our success, and we invite you to be a part of our dynamic team. With comprehensive benefits, a commitment to diversity and inclusion, and a supportive environment, KPM is not just a workplace—it's a place to build a rewarding career. Take the first step toward joining us on this exciting journey!" Lab Assistant/Manager – Transformer Oil Testing Lab Tanzania Job Title: Lab Assistant – Transformer Oil Testing Lab Location: Tanzania Company: Confidencial, KPM's Client Joining : Immediate About the Role: We are seeking a dedicated and detail-oriented Lab Assistant to manage a state-of-the-art Transformer Oil Testing Lab for our esteemed client in Tanzania. This role offers an exciting opportunity to work with advanced diagnostic equipment and contribute to ensuring the reliability and efficiency of critical power sector assets. With infinite future growth prospects, this position is ideal for someone passionate about electrical testing and laboratory operations. Key Responsibilities: Conduct Dissolved Gas Analysis (DGA) to detect and diagnose faults in transformer oil. Perform Furan Analysis to assess the degradation of transformer insulation. Test Oil Acidity to monitor the chemical stability and performance of insulating oils. Operate and maintain the Karl Fischer Titrator for precise moisture content determination. Prepare oil samples, follow standard testing procedures, and document all results accurately. Ensure proper calibration and maintenance of lab equipment. Analyze test results and prepare detailed technical reports. Adhere to safety protocols and maintain a clean, organized lab environment. Collaborate with engineers and technical staff to interpret data and recommend actions. Qualifications and Skills: Diploma or Bachelor’s degree in Chemistry, Electrical Engineering, or a related field. Proven experience in transformer oil testing or similar laboratory environments. Familiarity with DGA, Furan Analysis, Oil Acidity tests, and Karl Fischer testing methods. Strong analytical and problem-solving skills. Excellent attention to detail and data recording accuracy. Ability to work independently and as part of a team. Effective communication skills for reporting and client interactions. Why Join Us: Opportunity to work in a growing power sector in Tanzania. Hands-on experience with cutting-edge testing equipment. Career advancement and future leadership opportunities. Collaborative and innovative work environment. Remuneration: Competitive salary based on experience and qualifications. Additional benefits and performance-based incentives. Opportunities for professional development and career growth. If you are passionate about electrical testing and eager to grow your career in a dynamic lab setting, we invite you to apply and become a vital part of our client’s success story. How to Apply: Please send your updated resume and a cover letter to consultant@kpmtek.com . We look forward to building the future of transformer diagnostics together! Customer Support Engineer - Electrical Testing Equip. Gurgaon , Bangalore We are a close-knit team of electrical engineers supplying and supporting our high-tech solutions in field of electrical testing and measuring equipment. We are looking for a self motivated Customer Support Engineer with below profile. Shall be capable of having technical discussions with customers and backing the sales team , Competition Study , Customer Tracing etc. Computer Savvy and capable of coordinating webinars, Ms Office Reporting , editing Technical Manuals & Data-sheets etc. Shall have basic knowledge in all electrical equipment such as ,Transformers, HV /MV and LV Switchgear, circuit breakers, earthing system, Lightning Arresters , Relays etc. Knowledge of below subjects will be an advantage -: CT / PT Testing Equipment Relay Testing Equipment Transformer Testing Equipment Circuit Breaker Testing Equipment Earth Testing You'll work in an office environment, but will frequently travel within the day for face-to-face meetings with customers and other business partners. You will be involved in technical discussions, product trainings and application support. If you are looking for a next level of challenge we motivate you to mail your CV to us today on below email ID - consultant@kpmtek.com

KPM India |We are electrical test equipment manufacturers, We deal in CT PT Analyzer, Relay Test Kit , Tan delta , Transformer Test Kits , LA Testers etc.|Voltage Regulator (Column Type) |https://kpmtek.wixsite.com/website/tr/voltageregulator Voltaj Regülatörü (Kolon Tipi)