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LLC Resonant Converter Topologies and Industrial Applications — A Review
Chinese Journal of Electrical Engineering, 2020 LLC resonant converter topologies and industrial applications — a ...
Bo Zhang +2 more
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Paralleling of LLC Resonant Converters
IEEE Transactions on Power Electronics, 2021The LLC resonant converter is a popular, variable switching frequency dc--dc converter that may be controlled using two methods: charge and frequency control. In this article, the application of LLC resonant converters to input-parallel, output-parallel system is studied. In this respect, the models of output-port I-V characteristics and small-signal
Subhashish Bhattacharya +2 more
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A Capacitive Isolated LLC Converter
2021 IEEE Applied Power Electronics Conference and Exposition (APEC), 2021In this paper, a novel isolated structure is presented and applied to the LLC converter. The resonant capacitor is separated into two resonant capacitors, which takes a role of not only resonant behavior but also isolation. By doing so, the proposed LLC converter has a higher power density than the traditional LLC converter due to reduction of the size
Y. T. Yau, Hung-Tsung Liang, K. I. Hwu
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Comparison of LLC and LCCT Converter Topologies
2017 European Conference on Electrical Engineering and Computer Science (EECS), 2017In this paper, circuit topology of LLC resonant DC-DC converter and half-bridge LCCT resonant DC-DC converter are comparatively studied for different kind of applications. A comparison of efficiency, cost and behavior of these power converters is provided.
Prídala, Michal +3 more
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LLC Resonant Converter With Matrix Transformer
IEEE Transactions on Power Electronics, 2014In this paper, a high efficiency high power density matrix transformer structure for LLC resonant converters is proposed. Matrix transformer is help to reduce leakage inductance and the AC resistance of windings. Flux cancellation method is utilized to reduce core size and loss.
Daocheng Huang, Shu Ji, Fred. C. Lee
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A novel interleaved LLC resonant converter
IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society, 2013This paper presents dual LLC converters in parallel connection. Nevertheless, proposed converter efficiently integrated two LLC resonant tanks, it successfully reduce the current stress of components and increase step-down conversion ratio with higher power density and less component number than conventional dual LLC converters. All active switches are
Shih-Ming Chen +4 more
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Universal Controller for Quasiresonant and LLC Converters
2019 42nd International Conference on Telecommunications and Signal Processing (TSP), 2019The paper proposes a versatile analog controller for quasiresonant (QRC) and resonant converters, in fact for any frequency controlled DC-DC converter. The on time and off time of the transistors can be independently controlled. Design equations are provided and a small-signal model of the controller is derived.
Evelyn-Astrid Lovasz, Dan Lascu
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