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What will happen to the protection and metering, if the
polarity of a single or two PT/PTs in three phase system is
reversed? Please provide reference if any.
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At site, we have 30Kw motor (3 phase, 400V,50Hz) and FLC 54A as per the nameplate. At the time of starting it draws 840A instead of 390A (7.2%). As per the data sheet also its 390A starting current. it thru a dol starter from the MCC. can anyone tell what is the problem in the motor
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