What fomula is used to calculate:
1. rated frequency withstand voltage, and
2. rated lightning impulse withstand voltage.
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0 Answers Alka Electromech, Aramco,
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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