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In this paper a 24 pulse autotransformer based ac-dc converter has been proposed to improvement power quality at the point of common coupling (PCC). The idea is to use an autotransformer based 12-pulse ac-dc converter using a DC ripple reinjection technique to double its pulse numbers (providing a 24-pulse AC-DC converter). A polygon connected autotransformer is used to produce 12-pulses with flexibility...
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