Why TAP changer provided in primary side of HT
transformer ? and why not in secondary?

Answer Posted / yash

1. at HT side current value is less as compared to LT side.
2. insulatin requirement is less
3. tap changing can be smoother and it would have fine
control as no. of taps are more(due to low current)

Is This Answer Correct ?    76 Yes 3 No



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