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REF protection % of winding covered
- Thread starter sivajith
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In "Fundamentals of Short-Circuit Protection for Transformers"
the restricted earth fault (REF) and negative-sequence
transformer differential (87TQ) functions are explained as a
means to detect ground faults near the neutral and turn-to-turn
faults, respectively.
See:
the restricted earth fault (REF) and negative-sequence
transformer differential (87TQ) functions are explained as a
means to detect ground faults near the neutral and turn-to-turn
faults, respectively.
See:
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