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Analysis and Control of Dual-Output LCLC Resonant Converters, and the Impact of Leakage Inductance

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4 Author(s)
Ang, Y. ; Univ. of Sheffield, Sheffield ; Bingham, C.M. ; Foster, M.P. ; Stone, D.A.

The analysis, design and control of 4th-order LCLC voltage-output series-parallel resonant converters (SPRCs) for the provision of multiple regulated outputs, is described. Specifically, state-variable concepts are developed to establish operating mode boundaries with which to describe the internal behaviour of dual-output resonant converters, and the impact of output leakage inductance. The resulting models are compared with those obtained from SPICE simulations and measurements from a prototype power supply under closed loop control to verify the analysis, modeling and control predictions.

Published in:

Power Electronics and Drive Systems, 2007. PEDS '07. 7th International Conference on

Date of Conference:

27-30 Nov. 2007