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Analysis of 4th-order LCLC resonant power converters

By Y Ang, M P Foster, Chris Bingham, D A Stone, H I Sewell and D Howe


Abstract: A methodology is presented for the high-speed, steady state analysis of 4th-order LCLC resonant power converters. Both current-output and voltage-output variants are considered. Statevariable dynamic descriptions of the circuits are derived and subsequently employed to rapidly\ud determine the steady-state cyclic behaviour and the voltage and current characteristics of the resonant-tankand output-filter, and to estimate the voltage and current stresses on resonant components. Simulated and experimental results for two prototype 4th-order converters (inductive\ud and capacitive output variants) confirm that the accuracy of the model is comparable with SPICE simulations, while requiring less than 104 of the computational time

Topics: H600 Electronic and Electrical Engineering
Publisher: institution of Electrical Engineers / IET
Year: 2004
DOI identifier: 10.1049/ip-epa:20040218
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