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11 kV D.D.O. fuse explodes on a cable fault

R
RODALCO2012

4 Views • Jun 05, 2012

Description

The HV cable was meggered and had one phase reading lower than the other two phases, although the 5 kV Megger didn't break it down fully.

A low amperage high tension fuse was used to test the cable and avoid risking tripping the feeder.

The fault developed as a phase to screen fault which was later traced and thumped. Fault found in the crutch of the PILCpart of cable in the.300 kVA transformer.