Soft-switched PWM converter with inductive DC filter
- 1 January 1993
- proceedings article
- Published by Institute of Electrical and Electronics Engineers (IEEE)
Abstract
This paper presents a soft-switched AC/DC power converter structure, useful for current-fed inverters and forced commutated PWM rectifiers with an inductive load. Typical applications are high-power AC motor drives, magnet power supplies and active power filters with inductive energy storage. As compared to hard switched converters, the proposed solution calls for some increase of the circuit complexity, but provides improved input and output performances due to the higher switching frequency. Further improvements are ensured by proper control of the commutation process. Actual power converter capabilities are demonstrated by experimental resultsKeywords
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