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An Improvement Technique for the Efficiency of Switch-mode boost Rectifiers By an Parallel Converter  

Kim Yoon Sik (한국해양대학교)
Kim Seong Hwan (한국해양대학교)
Oh Sae Gin (한국해양대학교 대학원 기관시스템공학과)
Lee Sung Geun (한국해양대학교)
Jeon Nae Sock ((사)한국소방안전협회)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.29, no.2, 2005 , pp. 243-250 More about this Journal
Abstract
A new technique for improving the efficiency of single-Phase high-frequency switch-mode boost rectifiers is proposed. This rectifier includes an additional boost converter that parallels the main high-frequency switching device. The additional converter. which is controlled at lower frequencies. bypasses most of the current in the main switch and the high frequency switching loss is greatly reduced accordingly. The rectifier works cooperatively in high efficiency and as if it were a conventional rectifier with one switching device. The proposed scheme is verified by computer simulation using software PSIM.
Keywords
병렬 컨버터;스위치형 승압정류기;고주파 스위칭 손실;
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  • Reference
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