Constant frequency control of LLC resonant converter using switched capacitor

A constant frequency control of an LLC resonant converter is presented. A switched capacitor is introduced to change the resonant capacitance, which enables the control of the voltage gain at a fixed switching frequency. The operation principle of the proposed converter with a switched capacitor is...

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Veröffentlicht in:	Electronics letters 2013-11, Vol.49 (24), p.1556-1558
Hauptverfasser:	Chung, S. K, Kang, B. G, Kim, M. S
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Capacitance capacitor switching capacitors constant frequency control Convertors Electrical engineering. Electrical power engineering Electrical machines Exact sciences and technology frequency control LLC resonant converter Power electronics, energy conversion and sustainability resonant capacitance resonant power convertors switched capacitor switching convertors switching frequency voltage gain
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Beschreibung
Zusammenfassung:	A constant frequency control of an LLC resonant converter is presented. A switched capacitor is introduced to change the resonant capacitance, which enables the control of the voltage gain at a fixed switching frequency. The operation principle of the proposed converter with a switched capacitor is discussed. The experimental results are provided to show the validity of the proposed method.
ISSN:	0013-5194 1350-911X 1350-911X
DOI:	10.1049/el.2013.2725