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.

Answer / nagesh.patwari

HT
Overvtg/undervtg, Earth fault,Surge protection, differential protection

LT
Undervtg, REF protection,Buccholz relay, sudden pressure relay, Overcurrent protection.

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.

Answer / neeraj dubey

on ht side Drop out fuse used for overhead line and lt sie
HRC fuse with fsp ( Fuse section Pillar)

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2 Answers  

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how can a transformer test by megger?

1 Answers  

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WHY THAT THREE COLORS CHOOSEN IN 3 PHASE? WHAT IS MEAN BY RYB?

2 Answers  

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what is Ith current?

4 Answers  

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what is doid

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