Using Automatic Frequency Shifting Techniques for LLC-SRC Output Voltage Regulation

In this paper, an automatic frequency shifting technique is developed for achieving output voltage regulation of LLC series resonant converter (LLC-SRC). Furthermore, the operating modes and dc characteristics are discussed for designing the steady state operating point. Finally, an LLC-SRC, rated a...

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Bibliographic Details
Published in2006 CES/IEEE 5th International Power Electronics and Motion Control Conference Vol. 3; pp. 1 - 5
Main Authors Kuo-Kai Shyu, Ching-Ming Lai, Ko-Wen Jwo, Ming-Ho Pan, Chung-Ping Ku
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.08.2006
Subjects
Automatic frequency control
Frequency conversion
Frequency shifting technique
LLC-SRC
Magnetic resonance
Partial response channels
Pulse width modulation
Steady-state
Switching converters
Voltage control
Zero current switching
Zero voltage switching
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Summary:In this paper, an automatic frequency shifting technique is developed for achieving output voltage regulation of LLC series resonant converter (LLC-SRC). Furthermore, the operating modes and dc characteristics are discussed for designing the steady state operating point. Finally, an LLC-SRC, rated about 90 W with operating frequency range from 92 KHz to 102 KHz is provided to verify the control strategy. As theoretical analysis, the proposed system gives a satisfactory result within the overall load range. This technique is very promising in resonant converter applications
ISBN:1424404487
9781424404483
DOI:10.1109/IPEMC.2006.4778267