Answer Posted / sudipt jena

Scott connection is done to get two phase supply from 3 phase input power. If we directly pick two phase from three phase supply , then the circuit becomes unbalanced.

We have a distribution transformer of 750KVA/11kv/440v and an AVR (Servo Stabilizer) of 750KVA on the LT side of distribution transformer. Also we have an ACB of 1200A on the output of distribution transformer (that is on the input of AVR). We want to have an MCCB on the output of AVR. What should be the rating?

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