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How to calculate VCB current rating for 2000 KVA transformer



How to calculate VCB current rating for 2000 KVA transformer..

Answer / k. kannan

Power=1.732*415*I
I =2000000/1.732*415
I=2782.5 amps

Vcb =I=2000000/1.732*11000
I=104.97 amps=I=105 A


Suitable VCB 125 AMPS

Is This Answer Correct ?    7 Yes 16 No

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