Electrical Engineering ⇒ Topic : Protection of transformers
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Maninder
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PROTECTION OF TRANSFORMERS Common Faults The following faults usually occur in the transformers 1.Open circuits 2.Overheating 3. Winding short circuits resulting from (i) inter-turn faults (ii) phase-to-phase faults (iii) earth faults. Protection relays used For the protection of transformer following relays are used 1. Over current relay 2. Buchholz's relay 3. Earth fault relay | |
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