NDLI: New Parallel ZVS Converter With Less Active Switches and Smaller Output Inductance

Content Provider	IEEE Xplore Digital Library
Author	Bor-Ren Lin Shih-Kai Chung
Copyright Year	1986
Abstract	This paper presents a new three-level zero-voltage switching (ZVS) dc/dc converter for high input voltage applications. There are two ZVS circuits in the proposed converter to share load current. Thus, the size of the output chokes is reduced. These two circuits use the same power switches. Thus, the proposed converter has less switch counts compared with the conventional parallel three-level ZVS dc/dc converter. In the proposed converter, each circuit combines one half-bridge converter and one three-level converter. The transformer secondary windings of two converters are connected in series to reduce the size of output inductor. The voltage stress of each power switch is limited at one-half of input voltage due to three-level circuit topology. Based on the resonant behavior by the output capacitance of active switches and the leakage inductance (or external inductance) at the transition interval, power switches are turned on at ZVS within the desired load range. Experiments based on a 1.5 kW prototype are provided to demonstrate the performance of the proposed converter.
Sponsorship	IEEE Power Electronics Society
Starting Page	3297
Ending Page	3307
Page Count	11
File Size	1553406
File Format	PDF
ISSN	08858993
Volume Number	29
Issue Number	7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Zero voltage switching Inductors DC-DC power converters Capacitors MOSFET Stress Switches zero-voltage switching (ZVS) DC/DC power conversion
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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