Video - Power Transformer Testing
Theory - Power Transformer Testing
High-voltage transformers are some of the most important (and expensive) pieces of equipment required for operating a power system. There are a multitude of checks and tests performed as transformer is assembled at the substation. The test engineer may not directly perform all the following tests and inspections but must be sure they are satisfactorily completed to take a final decision over transformer bank readiness to be energized.
Capacitance & Tan Delta
Transformer Winding Resistance Tester
Transformer Turns Ratio
Magnetic Balance Test of Transformer
Magnetizing Current Test of Transformer
Vector Group Test of Transformer
Temperature Rise of Transformer
Tap Changer Testing
SFRA – Sweep Frequency Response Analyzer
Transformer Bushing CT Testing .
Frequently Asked Questions ( FAQ )
Tan Delta Test Kit
What is Tan Delta Kit, Tan Delta Test | Loss Angle Test | Dissipation Factor Test
An insulator when is connected across line and earth, it behaves as a capacitor with some effect of resistance because of impurities . Tan delta is ratio of Resistive Current ( Ir ) W.R.T Capacitive Current ( Ic )
Is KPM-TD12 ,difficult to operate ?
Which equipment can be tested using Tan delta Test Kit - KPM TD12 .
KPM TD 12 is capable of testing Power Transformers ( LV , HV & EHV ), CT , PT , Grading Capacitor etc. KPM TD12 can also be upgraded for testing Oil Tan Delta & Generator Tan Delta Testing .
Why we need a separate arrangement/accessories to perform Tan Delta Testing of Generators .
The capacitance of few generators are very high , hence their leakage current is out of reach of the internal power sources of tan delta kits. To conduct tan delta testing of generators different manufacturers have different methods such as resonating inductor or external power sources etc.
How can we test Oil Tan Delta using KPM TD 12 Tan delta Test Kit ?
We can connect an oil test cell to KPM TD 12 which heats the oil sample and conduct the tan delta testing as per international standards .
Is KPM TD12 a bulky equipment with huge dimensions and weight?
KPM TD12 is of only 28KG with smallest dimensions in comparison to peers ie. 350mm（L）×270mm（W）×270mm（H）
I am having doubt in connections of KPM TD12 , Whom To Contact ?
Connections are very critical during Tan delta Testing . The idea is to understand the path of leakage current flowing from HV conductor to LV Conductor via insulation . During any confusion feel free to contact our Technical consultant on email@example.com
Does KPM-TD 12 Tan delta kit always comes with a Jumbo Truck Trolley?
Jumbo Truck is optional , User can purchase KPM TD 12 without Jumbo Truck also . In That case Customer wil get a KPM TD12 unit with a soft carry bag with all Cable & Accessories .
What is the use of Jumbo Truck Trolley .
How to perform Calibration of KPM TD 12
Calibration of KPM TD12 can be done using Calibration Capacitor Model , KPM SC-100pF , a 10KV , 100pF Standard Capacitor