A high input voltage three-phase ZVZCS DC-DC converter with Vin/3 voltage stress on primary switches

被引：2
|
作者：
Song, Ting-Ting [1 ]
Chung, Henry S. H. [1 ]
Tapuhi, Saad
Ioinovici, A.
机构：
[1] City Univ Hong Kong, Ctr Elect Power, Hong Kong, Hong Kong, Peoples R China
来源：
2007 IEEE POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-6 | 2007年
关键词：
D O I：
10.1109/PESC.2007.4342012
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A high-voltage three-phase ZVZCS dc-de converter with low voltage stress is presented in this paper. The voltage stress on the primary switches is only one-third of the input voltage. By using the phase shift pulsewidth modulation (PWM) and secondary snubber, four of the six primary switches are operating with zero-voltage switching (ZVS) and two of them are operating with zero-current switching (ZCS), in order to reduce the switching loss. Moreover, the converter has wide soft-switching range. Analysis of the converter's operation is given. A 2.2kW, 1000V/110V dc-de converter prototype has been built and tested. Experimental results are favorably compared with theoretical predictions.
引用
收藏
页码：350 / 356
页数：7
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