Improved Modified Active Clamp Circuit for a Current Fed DC/DC Power Converter

被引:0
|
作者
Al-Atbee, Osama. Y. K. [1 ]
Bleijs, J. A. M. [1 ]
机构
[1] Univ Leicester, Dept Engn, Univ Rd, Leicester LE1 7RH, Leics, England
关键词
DC-DC Power Converter; DC Micro-grid; Active Clamp;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
In this paper the performance of an improved modified active clamp circuit (MACC) for an isolated full bridge current-fed DC/DC converter (FBCFC) is presented. The new active clamp circuit reduces power losses in the switching devices by shaping the bridge currents, leading to a more efficient converter. The operation of the new circuit is described in detail. For comparison with a conventional active clamp, the modified active clamp circuit has been simulated and implemented in a prototype 1.2 kW FBCFC. The simulations and test results show a marked improvement in the efficiency of the FBCFC converter with the new active clamp circuit.
引用
收藏
页码:535 / 541
页数:7
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