What are protection of transformer on HT side & on LT side?

Question Posted / piyush rana

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What are protection of transformer on HT side & on LT side?..

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

What are protection of transformer on HT side & on LT side?..

Answer / nagesh.patwari

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

What are protection of transformer on HT side & on LT side?..

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

What are protection of transformer on HT side & on LT side?..

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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