A three-phase soft-switching converter with high power factor

被引：0
|
作者：
Chen, GC [1 ]
Taniguchi, K [1 ]
Nakamura, H [1 ]
机构：
[1] Shanghai Univ, Sch Automat, Shanghai 200072, Peoples R China
来源：
IPEMC 2000: THIRD INTERNATIONAL POWER ELECTRONICS AND MOTION CONTROL CONFERENCE, VOLS 1-3, PROCEEDINGS | 2000年
关键词：
soft-switching; converter; ZVS; PWM; EMI;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new PWM converter based on soft-switching is introduced. The converter uses a minimum number of devices, and requires less switching operations than conventional techniques. Switching is realized solely in a ZVS mode, therefore the loss is reduced and EMI (Electromagnetic Interference) suppressed. The paper analyzes the operation of ZVS (Zero Voltage Switching), discusses method; for maintaining a unit power factor and constant DC voltage. Changing the modulation index M and the phase angle theta keeps the input current in phase with the voltage. It also keeps the current sinusoidal, and ensures a constant output voltage.
引用
收藏
页码：1088 / 1093
页数：6
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