ECP 11-0515d Schneider HV Metering Unit with …

Check VT fuse F2 and F3 ratings are 6A and continuity () ... the resistance of the star connected VT to earth is 2 to 4 kΩ and 4 to 6 kΩ between phases. ... Check the metering circuit breaker is open Apply 240/110V ac from an injection test set to the primary (HV) winding, measure each of the secondary (LV) winding voltages and compare to the ... ................
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