IEEJ Transactions on Industry Applications
Online ISSN : 1348-8163
Print ISSN : 0913-6339
ISSN-L : 0913-6339
Letter
Influence of Lumped Snubber Capacitor on Input Current in Single-Phase Boost Rectifier
Ryozo ItohKouichi IshizakaYasuhiko NebaHirokazu MatsumotoTomohiro Yasukochi
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2012 Volume 132 Issue 6 Pages 682-683

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Abstract

The influence of a lumped snubber capacitor on an input current in the single-phase full-bridge boost rectifier is studied. The prototype, using two dual-switch power modules equipped with insulated-gate bipolar transistors and freewheeling diodes, operates in the continuous conduction mode under the current-mode control. The experimental results confirm that a relatively small lumped snubber capacitor contributes to the sinusoidal input current with a near-unity power factor.

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© 2012 by the Institute of Electrical Engineers of Japan
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