I am inpecting a 10kVA UPS what tests should i do and
should i observe?
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What is primary distribution and secondary distribution of ac power?
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5 Answers ABB, Nissi Engineering Solution, NSL Sugars,
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75kw drive operated motor current fluctuation from(85-130)ampere.current setting in drive is 130amp.sometimes motor trip when current limit cross 130amps.I change the drive. still current fluctuate between 80-130amps but in this time motor not trip,current setting in drive is 130amps.where is the problem?
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