Answer / iamdon

Hot resreves- Power plant available with thermal process in
operational readiness.

Spinning reserves- Power plant conected to bus and is ready
for taking loads(if any)

Author:arbelectbit@yahoo.com

our company have 750 kva oil transformer.still we have facing a problem that is when voltage is 11.5 kv coming from HT side then LT-side voltage is 420v or above at tape 1.please give me best solution to decrease the voltage

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