RTK ( K3163i )
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 Key Features

  • Universal Relay Test Applications

  • Complied IEC61850-9-1, IEC61850-9-2, IEC60044-7/8, etc

  • 100/1000Mbit Fiber port for SMV and GOOSE simulations

  • 6x35A & 4x310V independent high burden output channels

  • 13 channels independent low-level signal outputs

  • AC/DC measurement (8 channels inputs, 0.1 class, 0-600V/0-5A, auto range)

  • Transducer calibration (0.02 class)

  • Energy meter calibration (Mechanical & Electronic meters)

  • Analog and Binary Transient Record

  • Transient play back up to 3KHz

  •  Lightweight, <18Kg

  • Fully function KRT software testing modules

  • 3-Years guarantee of free repair and life-long maintenance

  •  Free software upgrade

Technical Details 

  • 10 Channels (6x35A & 4x310V) outputs, Each output channels are independent and simultaneous control of magnitude, Phase angle and frequency values, able to inject DC, AC sine wave and up to 20x harmonics.

  • Variable battery simulator, DC 0-350V, 140Watts max.

  • 13 Low-level channels outputs up to 8Vac/10Vdc max.

  • 0-600V / 0-5A AC/DC measurement in 0.1 class.

  • Graphical test modules and templates for testing of various relays

  • Quick relay testing facility in Manual mode

  • Shot/Search/Check, Point & Click testing

  • RIO/XRIO import & export facility

  • Switch on to fault test(SOTF)

  • Power system model for dynamic testing

  • Inbuilt GPS sync end-to-end testing

  • Online Vector display

  • Automatic test results assume

  • Automatic test report creation

  • Anti-clipping detect, Wrong wiring connect alarm and self-protect, overload and overheat protection

Theory - Relay Testing

  Protective relays are used extensively across the power system to remove any element from service that suffers a short circuit, starts to operate abnormally or poses a risk to the operation of the system.

 

The relaying equipment is aided in this task by instrument transformers that sense power conditions and circuit breakers that are capable of disconnecting the faulty element when called upon by the relaying equipment.

Due to their critical role in the power system, protective relays should be acceptance tested prior to being placed in service and periodically thereafter to ensure reliable performance. In a normal industrial application, periodic testing should be done at least every 2 years in accordance with IEC/IS Standard . 

Relay Testing Kit – Theory

Protective relay is a device which maintains the power system equipments and gives an output under an abnormal condition to ensure protection of the system. The basic objective of the protective relay is to isolate the faulty section in a power system as quickly as possible so that rest of the system functions normally. It is necessary to ascertain security, reliability, quality, sensitivity and speed of relays.

Various tests are recommended in National and International Standards to check the withstand capacity of a relay during fault conditions. During testing, protective relay is made to undergo simulated field conditions to check its performance. The relevant National / International standards recommend many tests to ascertain the relays effectiveness to perform its intended function. 

A Relay receives the input signals from CT’s/ PT’s and its program calculates the fault conditions as per application. It issues a trip command to the Circuit Breaker on sensing a faulty condition.  

Step 1:

Relay Testing Kit injects fault in form of I & V on respective CT & PT points of Relay under test . The Timer of Relay Testing Kit starts by initiating  fault injection.

Step 2:

Relay senses the fault & issues the trip command, its trip timing must depend on the time characteristics of relay settings.

Step 3:

Relay Testing Kit receives the trip command from Relay & Stops the timer.

Step 4:

The measured tripping characteristics are compared with respect to expected tripping as per settings by Engineer.

 The secondary of current transformer is connected to the current coil of relay. The secondary of voltage transformer is connected to the voltage coil of the relay. Whenever any fault occurs in the feeder circuit, proportionate secondary current of the CT will flow through the current coil of the relay due to which mmf of that coil increases. This increased mmf is sufficient to mechanically close the normally open contact of the relay. This relay contact actually closes and completes the DC trip coil circuit and hence the trip coil is energized. The mmf of the trip coil initiates the mechanical movement of the tripping mechanism of the circuit breaker and ultimately the circuit breaker is tripped to isolate the fault.

APPLICATIONS 

PRODUCTS

KPM TD12       K3063i        K68i        K3163i        CT PT ANALYZER       CT PT TESTER       CB ANALYZER       CBT 01       CBA-01       TTR      TWRT SERIES      OBD-100A+      OBD-100+      LA100+      CRT SERIES       CET1200      CORONA-POINTER       PENTA-PD DETECTOR        PIK-SERIES       SF6 GAS ANALYZER (KS30)          SF6 GAS DEW POINT METER-DPM01       DPM-LIGHT      MT3000D       MT3000B        EMR1        EMR1C        PQ LIGHT        ET30K            HVCTR         FLASH POINT TESTER (KPM OT 01)        

 KARL FISCHER ( KPM OT 02)         VISCOSITY TESTER (KPM OT O3)        OIL TAN DELTA ( KPM OTD 01 )          ACID VALUE TESTER ( KPM OT 05 )        BA01 BATTERY ANALYZER      BATTERY LOAD BANKS        BATTERY DATA LOGGERS( BDL)        BATTERY MONITORING SYSTEMS( BMS )     HIPOTS ( AC / DC /VLF / AC-DC )        INSULATION TESTER ( 5KP )           INSULATION TESTER (5KP+ SERIES)     NEO GATEWAY                     

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