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Why indian power system in 11kv,22kv,33kv,66kv,110kv,220kv ?
2) Why ups required dedicated earth?

Answer Posted / sandeep ojha

because form factor is 1.11and emf equation is 4.44 k&#966;tf and frequency is 50Hz so value is comes out in multiple of 1.11 & 50

Is This Answer Correct ?    6 Yes 4 No



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