NDLI: An improvement technique for the efficiency of high-frequency switch-mode rectifiers

Content Provider	IEEE Xplore Digital Library
Author	Yoshida, T. Shizuka, O. Miyashita, O. Ohniwa, K.
Copyright Year	1986
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 follows the main high-frequency switching device. The additional converter, which is controlled at lower frequencies, bypasses almost all the current in the main switch and the high frequency switching loss is greatly reduced accordingly. Both switching devices are controlled by a simple method; each controller consists of a one-shot multivibrator, a comparator and an AND gate, and the maximum switching frequency can be limited without any clock generator. The rectifier works cooperatively in high efficiency and acts as though it were a conventional high-frequency switch-mode rectifier with one switching device. The proposed method is verified by experiment. This paper describes the rectifier configuration and design, and discusses the steady-state performance concerning the switching loss reduction and efficiency improvement. Transient performance is also included.
Sponsorship	IEEE Power Electronics Society
Starting Page	1118
Ending Page	1123
Page Count	6
File Size	144138
File Format	PDF
ISSN	08858993
Volume Number	15
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Rectifiers Switches Switching frequency Steady-state Power system harmonics Switching converters Frequency conversion Switching loss Clocks Power system transients
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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