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 kφtf 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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