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What is the difference between sensitive earth fault and
restricted earth fault in power transformers?
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Answer Posted / surendar
Restricted earth fault function only protect the specified
zone .But sensitive earth fault function can protect all
earth faults(only applicaple for after start of ct point).
both protection analog inputs taking from neutral ct of
power transformer.but in ref taking ct reference for all
phases of ct for making protection of specified area .
setting of ref lesser then sef.sef also back up for ref.
both protection only applicable for star side for
transformer
| Is This Answer Correct ? | 11 Yes | 6 No |
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