5MVA TRANSFORMER SUDDENLY FAIL WITH THE PRV TRIPPING AND
LARGE AMOUNT OF OIL SPREAD OUT? SO IT CAME BACK WITH THE
REPAIRING WITH REASON THAT IT FAILS BCOZ OF TRANSIENT
EFFECT? SO PLZ EXPLAIN HOW DOES IT HAPPENED?
Answer / k.prakashchandra
The insulation failure was detected and it was attributed to
high transient voltages.
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