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Control features of dual-channel DC-DC converters

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2 Author(s)
Hamar, J. ; Dept. of Autom. & Appl. Informatics, Budapest Univ. of Technol. & Econ., Hungary ; Nagy, I.

This paper presents the steady-state behavior of a two-channel resonant converter family in symmetrical operation. Six configurations will be investigated, including step-down, step-up/down, and step-up ones in continuous conduction mode (CCM) and in discontinuous conduction mode (DCM). Exploring the conditions of transition from CCM to DCM or back, it becomes evident that the CCM operation is definitely restricted, that is, sometimes the converter cannot he operated in CCM at all. The most important relations among the input, output, and control variables are derived and verified by simulation and experimental results.

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Industrial Electronics, IEEE Transactions on  (Volume:49 ,  Issue: 6 )