Modeling of conduction losses in PWM converters operating in discontinuous conduction mode

descriptionPublicationkeyboard_double_arrow_right Article , Conference object 07 Nov 2002 United States Publisher:Presses Polytech. Univ. RomandesJournal:2000 IEEE International Symposium on Circuits and Systems. Emerging Technologies for the 21st Century. Proceedings (IEEE Cat No.00CH36353), volume 3, pages 511-514

Authors: Guangyong Zhu; Shiguo Luo; Chris Iannello; Issa Batarseh;

doi: 10.1109/iscas.2000.856109

Modeling of conduction losses in PWM converters operating in discontinuous conduction mode

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Abstract

In this paper, a non-ideal PWM switch model considering conduction losses is developed. This issue was considered in the past only with the assumption that the inductor current ripple is negligible compared with its average value. Derivation of the new model is based on the energy loss invariant principle. The resulting model can be applied to simulating large inductor current ripple conditions. Accuracy of the proposed model is verified through Pspice simulation using the buck and boost converters.

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United States

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University of Central Florida
United States

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