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Why we choose 400kv,220kv,132kv,66kv,33kv transmission
voltages for transmitting power. Why not other voltage
levels.

Answer Posted / dinakar

because form factor of sine wave is 1.1 form factor= rms
value /avg . So as all voltages are rms voltages they are
multiples of 1.1

Is This Answer Correct ?    26 Yes 7 No



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