Instrument Transformers – Additional Requirements for Current Transformer
IS code: IS 16227 (PART 2): 2016/IEC 61869 (PART 2): 2012
Description
IS 16227 (Part 2):2016 is an Indian Standard that corresponds to IEC 61869 (Part 2):2012. This standard is titled "Instrument Transformers – Additional Requirements for Current Transformers." It provides specifications and additional requirements for current transformers used in instrument transformer applications.
Some of the key aspects covered by IS 16227 (PART 2): 2016/IEC 61869 (PART 2): 2012 include:
Test Required for IS 16227 (PART 2): 2016/IEC 61869 (PART 2): 2012
Power-frequency voltage withstand tests
Partial discharge measurement
Tests for accuracy
Enclosure tightness test at ambient temperature, Pressure Test for the Enclosure
Determination of the secondary winding resistance
Determination of the secondary loop time constant, Test for rated knee point e.m.f and exciting current at rated knee point e.m.f
Temperature-rise tes
Impulse voltage withstand test on primary terminals
Wet test for outdoor type transformers
Electromagnetic Compatibility tests
Verification of the degree of protection by encolurses
Short-time current tests
Determination of the remanence factor
Conclusions:
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