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Type: Artigo de periódico
Title: Performance improvement of soft-switched PWM rectifiers with inductive load
Author: Pomilio, JA
Rossetto, L
Tenti, P
Tomasin, P
Abstract: A new soft-switched ac/dc pulse width modulation (PWM) converter structure is presented, It is useful for current-fed inverters and PWM rectifiers, Typical applications are magnet power supplies, high-power ac motor drives, and active power filters with magnetic energy storage, Soft switching is provided at the expense of a limited increase of the circuit complexity as compared to usual hard-switching solutions, A discussion of the soft commutation process is presented, By a proper switching sequence, overvoltages across the converter switches can fully be eliminated, Moreover, light-load operation can be achieved, Both typical limitations of soft-switched current-fed topologies are therefore overcome. Simulation and experimental results demonstrate the actual converter capabilities.
Editor: Ieee-inst Electrical Electronics Engineers Inc
Rights: fechado
Identifier DOI: 10.1109/63.554181
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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