MV GIS Switchgear Routine Tests

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MV GIS Switchgear Routine Tests - IEEE C37

 

The following items are the routine testing items of MV GIS Switchgear according to IEEE Std C37

 

Routine test list as below according to IEEE standard:

-Mechanical operation tests circuit breaker

-Measurement of the resistance of the main circuit

-SF6 gas-tightness test

-Power frequency voltage withstand test

-Partial discharge test

-Mechanical operation tests: circuit breakers, disconnect switches and grounding switches

-Design and visual checks

-Test of auxiliary electrical devices

-Voltage withstand test on auxiliary and control circuits

-Test on the capacitive voltage indicating system

-Verification of correct wiring

-Test of voltage and current transformers

-Function test of interlocks

-Visual inspection

-Pressure tests of gas-filled compartments higher than 0.5 bar gauge pressure

-Point-to-point wiring check

-Nameplate check

-Clearance and mechanical adjustment checks

-Circuit breaker timing

-Operating mechanism mechanical checks

-Circuit breaker operating mechanism stored energy system tests