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why transmission voltages are in multiple of 11kv?

Question Posted / vinod

Answer Posted / vinod

this is because of form factor in case of A.C. which is 1.11
as sinusoidal waveform are used in A.C.but if we prefere
square waveform voltage are not in multiple of 11kv because
form factor is 1 in case of square waveform

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