COMPARISON OF HALF-BRIDGE OFF-LINE, ZCS-QRC AND ZVS-MRC

被引:16
作者
JOVANOVIC, MM
FARRINGTON, R
LEE, FC
机构
[1] Virginia Power Electronics Center, Bradley Department of Electrical Engineering, Virginia Polytechnic Institute and State University, Blacksburg
关键词
Electric Converters; Static;
D O I
10.1109/7.53443
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
Performance of the half-bridge (HB) zero-current-switched (ZCS) quasi-resonant converter (QRC) and zero-voltage-switched (ZVS) multiresonant converters (MRCs) are compared, with respect to their efficiency, input voltage range, semiconductor stresses, power density, and reliability. The efficiency of the HB ZVS-MRC at a given nominal input is shown to be highly dependent on the range of the input voltage, and it suffers when the converter has to be designed to cover a wide range. However, this is not the case for the HB ZCS-QRC. An experimental HB ZCS-QRC and HB ZVS-MRC, each with different input voltage ranges, were designed under the same constraints to facilitate their comparison. © 1990 IEEE
引用
收藏
页码:326 / 336
页数:11
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