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why the voltage transmission is always in a multiple of 11?
e.g. 110 V, 220 V, 33 kVA, 11 kVA
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Answer Posted / girish
B'coz Form Factor of AC Sine Wave is 1.1 so Transmission
Voltages will always be the integral multiples of 11
for eg. 220, 440, 660, 1100, 3300, 6600, 11000, 33000,
66000, 110000
Form Factor = RMS Value of Sine Wave / Average Value of Sine
Wave
RMS Value = 0.707
Average Value = 0.683
0.707 / 0.683 = 1.1
| Is This Answer Correct ? | 103 Yes | 28 No |
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