A Novel Single-Phase Soft-Switching Unipolar PWM Rectifier

被引：0

作者：

Jiang, Maoh-Chin ^{[1
]}

Perng, Shyh-Shing ^{[1
]}

Fu, Huang-Kai ^{[1
]}

Chien, Ya-Chi ^{[1
]}

Wu-Chang, Kuei ^{[1
]}

机构：

[1] Natl Ilan Univ, Dept Elect Engn, Yilan, Taiwan

来源：

2011 IEEE REGION 10 CONFERENCE TENCON 2011 | 2011年

关键词：

soft-switching; unipolar PWM rectifier; zero-voltage-switching (ZVS); zero-current-switching (ZCS);

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

This paper proposed a novel single-phase soft-switching unipolar PWM rectifier (SSUPR) using a simple auxiliary resonant unit. All main switches of high-frequency arm operate at zero-voltage-switching (ZVS) turn-on, while the auxiliary switches operate at zero-current-switching (ZCS) turn-off. All main switches of low-frequency arm operate at 60 Hz to greatly reduce switching losses. Moreover, a soft-switching unipolar PWM strategy is used for the proposed soft-switching rectifier. This strategy results in a better input current waveform than for the bipolar PWM strategy. Furthermore, the proposed rectifier achieves a near unity power factor, sinusoidal input current and a bidirectional power flow capability. Some simulation results of the proposed SSUPR, rated 400 W and operated at 40 kHz, are presented for verification.

引用

页码：843 / 847

页数：5

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