A composite soft-switching inverter configuration with unipolarpulsewidth modulation control
Xiangning He
Kuang Sheng
Williams, B.W.
Zhaoming Qian
Finney, S.J.
Dept. of Electr. Eng., Zhejiang Univ., Hangzhou ;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Feb 2001
Volume: 48,
Issue: 1
On page(s): 118-126
ISSN: 0278-0046
References Cited: 12
CODEN: ITIED6
INSPEC Accession Number: 6860886
Digital Object Identifier: 10.1109/41.904571
Current Version Published: 2002-08-07
Abstract
This paper presents a new composite soft-switching configuration
for single-phase inverters where power bridge leg modules are used. The
presented configuration consists of only one inductor and one capacitor
as well as two low-power-rated switches/diodes for full-bridge circuits.
It can realize snubber functions and/or resonant zero-current switching
at any load current for switches in power inverters with unipolar
sinusoid pulse width modulation control. The idea presented here is that
soft-switching processes at turn-on and turn-off for each active switch
in inverters can be different. The detailed circuit operational
processes, simulation waveforms, and experimental results are included
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