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why we are used D.c. voltage in L.T.side or controling
side.we can use UPS also ,in place d.c. voltage
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Answer Posted / gangadhar shailaja bellary
Your question is not perfect.Any way UPS not suply the the
DC voltage is suply a/c only with out interupt.We use DC in
control circuit because it has free from hormonics and it
has constant.
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