Novel ZVS three-phase PFC converters and zero-voltage-switching space vector modulation (ZVS-SVM) control

被引：0
作者：
Xu, DH [1 ]
Feng, B [1 ]
机构：
[1] Zhejiang Univ, Coll Elect Engn, Hangzhou 310027, Peoples R China
来源：
2004 1ST INTERNATIONAL CONFERENCE ON POWER ELECTRONICS SYSTEMS AND APPLICATIONS PROCEEDINGS | 2004年
关键词：
three-phase PFC; zero-voltage-switching; space vector modulation;
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：
In three-phase PFC converter, there exist severe switch anti-parallel diode reverse recovery problems. The effective measures of Compound Active-clamping and Minimal Voltage Active-clamping techniques in single phase PFC are extended to three-phase PFC. A family of Active-clamping ZVS soft switching PFC converter is derived. They can effectively suppress the diode reverse recovery and realize ZVS for all the switches. In order to reduce the number of switching for the auxiliary switch, A ZVS space vector modulation (ZVS-SVM) is proposed. The switching frequency of the main switch and the auxiliary switch is fixed. In the proposed circuit only one auxiliary switch is needed, which can realize ZVS for all the switches. At the same time the input current waveform is improved. One DSP controlled 4kW ZVS Compound Active-clamping PFC converter prototype is implemented.
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页码：30 / 37
页数：8
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