Percentage Impedence Problems

H

Thread Starter

Harish_EEE

We have a requirement of 15.7KV/400 KV with 14% impedance, but vendor are providing with 18%. I am OK with fault current with breaker and BUS duct connecting to the transformer.

What about the efficiency if we increase the impedance value?
What about the voltage drop and losses?

Can anyone tell that how much percentage of efficiency will be reduced and voltage drip will be there in increase of impedance?
 
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