In ACS 1000 drive we used 12 pulse convertor.Why dont used
6 pulse or 3 pulse convetor
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Answer / k.linga reddy
The characteristic harmonics order of the AC current wave
form is h= np+_1 so the 12 pulse converter out put contains
lowest order harmonics 11,13,....becuase of the lowest order
harmonics in 3,6 pulse converters
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