NDLI: A Novel 200~800Vdc Ultra-wide Range Input Dc-Dc Converter with Optimum Intelligent Polymorphic Topologies

Content Provider	IEEE Xplore Digital Library
Author	Wei Chen Ping Rong Zhengyu Lu Shaoshi Ye
Copyright Year	2009
Description	Author affiliation: Delta Electronics (Shanghai) Co., LTD., No. 238 Minxia Road, Pudong, Shanghai, 201209, China (Shaoshi Ye) \|\| College of Electrical Engineering, Zhejiang University, Hangzhou, Zhejiang, China (Wei Chen; Ping Rong) \|\| Senior member, IEEE, College of Electrical Engineering, Zhejiang University, Hangzhou, Zhejiang, China (Zhengyu Lu)
Abstract	A novel high efficiency polymorphic topology converter whose input range extends to 200~800 Vdc, while the high line input efficiency is still maintained is presented in this paper. By integrated a novel three-level HB $L^{2}C$ converter and a conventional PSFB converter together, the proposed converter intelligently estimate the input voltage condition and automatically change its internal topology forms to be the most efficient. Therefore, the conversion efficiency for low line input would not downgrade too much and high line efficiency gains back, where the overall efficiency curve exhibits as a "V" type and optimizes. Besides, ZVS and ZCS switching advantages are still be featured in the very two internal topologies themselves, and only one set of circuit components is adopted to implement both of these two topologies to be cost-effective, based on the nearly the same voltage/current stress of the main components. The detail operation principles, as well as the design considerations, were presented. A prototype aiming at network and telecom system of 200~800 V input, 54 V/10 A output, whose full load conversion efficiency is all above 91.48%, was developed to verify the validity and applicability of this topology.
Starting Page	51
Ending Page	57
File Size	438956
Page Count	7
File Format	PDF
ISBN	9781424428113
ISSN	10482334
DOI	10.1109/APEC.2009.4802632
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-02-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	DC-DC power converters Voltage Circuit topology Telecommunication network topology Power electronics Multichip modules Internal stresses Prototypes Monitoring Performance loss Polymorphic topology Wide input range High efficiency Soft-switching
Content Type	Text
Resource Type	Article

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