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Why we are use 11KV / 22KV / 33KV / 66KV / 110KV / 230KV /
440KV this type of ratio. why cant we use other voltage
ratio like 54KV / 99KV et.,
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Answer Posted / vipul tayal
we always use a multiple of 1.11 bcoz for a pure sine wave
the FORM FACTOR is the ratio of rms value of voltage or
current with the avg. value of voltage or current and for
pure sine wave rms value of current is Imax/root '2' and
avg. value is 2Imax/pie. and which comes out to be 1.11 so
we cant have a combination of other then a multiple of 1.11.
| Is This Answer Correct ? | 29 Yes | 17 No |
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