What are protection of transformer on HT side & on LT side?
Answers were Sorted based on User's Feedback
Answer / santosh mulay
For HT tran. high winding & oil temp. alarm with triping
portection must be there. And Buchholz relay triping also
necessary. Addition to that Over current, earth fault realy
must be there.
Is This Answer Correct ? | 9 Yes | 2 No |
HT
Overvtg/undervtg, Earth fault,Surge protection, differential protection
LT
Undervtg, REF protection,Buccholz relay, sudden pressure relay, Overcurrent protection.
Is This Answer Correct ? | 4 Yes | 0 No |
Answer / krishna
If the transformer is below 1000KVA, for the HT side
protection AB switch and HG Fuse must be used and for the LT
side protection ACB/OCB must be used.
If the transformer is above 1000KVA, for the HT side
protection VCB/ACB must be used and for the LT side
protection ACB/OCB must be used.
Is This Answer Correct ? | 11 Yes | 14 No |
Answer / neeraj dubey
on ht side Drop out fuse used for overhead line and lt sie
HRC fuse with fsp ( Fuse section Pillar)
Is This Answer Correct ? | 1 Yes | 7 No |
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