NDLI: LLC series resonant converter with auxiliary hold-up time compensation circuit

Content Provider	IEEE Xplore Digital Library
Author	Moon-Young Kim Bong-Chul Kim Ki-Bum Park Gun-Woo Moon
Copyright Year	2011
Description	Author affiliation: Dept. of EE, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea (Moon-Young Kim; Bong-Chul Kim; Ki-Bum Park; Gun-Woo Moon)
Abstract	LLC series resonant converter is the most attractive topology for medium power application due to its high efficiency and wide input range. Despite these advantages, it is difficult to optimally design to satisfy holdup time requirement, and it reduces efficiency of the converter and power density is degraded because of bulky magnetizing components. To solve these drawbacks, LLC series resonant converter with auxiliary hold-up time compensation circuit is proposed. By using auxiliary holdup time compensation circuit, the LLC converter gets higher gain when hold-up of output voltage is required, and the efficiency of the converter can be improved by the optimal design in normal operation mode. In this paper, operational principle of the proposed circuit is presented and experimental results with prototype are given to confirm the validity of the proposed circuit.
Starting Page	628
Ending Page	633
File Size	469400
Page Count	6
File Format	PDF
ISBN	9781612849584
ISSN	21506086
e-ISBN	9781612849577
e-ISBN	9781612849560
DOI	10.1109/ICPE.2011.5944623
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-30
Publisher Place	Korea (South)
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	LLC resonant converter Switching frequency Capacitors hold-up time Magnetic resonance RLC circuits Voltage control Video recording
Content Type	Text
Resource Type	Article

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