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why Ac current is alternating in nature?(or)why alternating current changes its direction?
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Answer Posted / shal
Ac voltage produce from generator The generator is rotating machine so AC is alternating nature
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Assuming that a dedicated neutral earthing transformer is provided for each GT generator, when the two generators are running in parallel, has consideration been given that the earth fault current from one generator stator winding be split between the two neutral earthing transformers? If so, what adverse impact will this have on the operation of the 59N and 27TN devices?
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