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Answer Posted / raveendra nath
normally Voltage Transformers are designed on the basis of
insulation grading to minimise the cost.
(i.e Voltage level decreses towards neutral, So while
designing, Insulation level will decrease when going
towards neutral )
So, transformer nuetral must be at earth to keep it at zero
potential and to avoid any flashover under fault conditions.
| Is This Answer Correct ? | 2 Yes | 4 No |
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