How much ampere rating on LT side of distribution transformer and also on HT si

How much ampere rating on LT side of distribution
transformer and also on HT side of 200KVA transformer

Question Posted / abp

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How much ampere rating on LT side of distribution transformer and also on HT side of 200KVA transfo..

Answer / k.prakashchandra

HT side 28 SWG (CR 12A,Fc 18 A), LT side 2 of 13 SWG
(combined CR 260 A, FC 590 A)or 6x 18 SWG (CR 270 A ,FC
616A) The currents in HT is 10.5A and LT 267 A f0r 200 KVA
Tr.CR=current rating,FC= fusing current

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How much ampere rating on LT side of distribution transformer and also on HT side of 200KVA transfo..

Answer / nirmit

Just Forgot HT LT here i give formula for amp

If 66000v KVA/114180*1000= found amp
11000v kva/19030*1000
440v kva/717.95
how

kva=route3*v*i
1.73*66000*i
114180*i
2000=114180*i
i=2000/114180
=0.0175*1000
=17.15 amp at 66000v

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4 No

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