In olden days the people had a misconcept that in the transmission line there would be a voltage drop of around 10% so inorder to get 100 V at load side they started sending 110 V at supply side.
Now a days concept is changed we use 400 v instead of 440, 230 V instead of 220.
Friday, 10 January 2014
Why substation voltages are commonly in multiple of 11 ?
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