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why all selected supply voltages are multiple of
11.i.e440,11 kv,33 kv,66 kv,110 kv etc
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Answer Posted / eedeepak
its just gives a easy way as we always take numeric like 10, 100, 20, 1000 for our convenience for equipments and to find its ac equivalent we have to multiply form factor which bring them down to such numbers
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