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Why the Transformer Nuetral is grounded?
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Answer Posted / p_g
In practical cases the three phase voltages are not equal and there will be presence of potential at the neutral point and neutral is earthed to provide the path for unbalanced current during normal operation. The earthed neutral also helps during any abnormality in the system due to fault,it allows heavy currents to flow into the ground before the system isolated by means of protection system.
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