Control features of dual-channel DC-DC converters
Hamar, J.
Nagy, I.
Dept. of Autom. & Appl. Informatics, Budapest Univ. of Technol. & Econ.;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Dec 2002
Volume: 49,
Issue: 6
On page(s): 1293- 1305
ISSN: 0278-0046
INSPEC Accession Number: 7475662
Digital Object Identifier: 10.1109/TIE.2002.804981
Current Version Published: 2002-12-16
Abstract
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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