why 6.6,11,22,33,66kv? what basis they have considered?

Answer Posted / d.durga prasad

According to i know, i am giving the answer that it will be depnd up on the form factor 1.1,according to that only we are getting the levels in the forms of 11,33,66,110,132 & 220KV, but ihave the doubt on that 400 & 765KV is depend up on wihich factor & if any one knows please answer.

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