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current transformer hv switchgear gas testing wika

Testing and commissioning of MV/HV switchgears (wiring ...· The HV test on auxiliary and control circuit should be carried out by looping together all the wires and applying 2000 V AC for one minute. All current transformer and voltage transformer earth connections should be removed for this test, and should be replaced immediately thereafter. Go back to Contents Table ↑ 6. Final Commissioning / Load ...

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