Energy-Conservation Approach to Modeling PWM DC-DC Converters

Dariusz Czarkowski; Marian K. Kazimierczuk

doi:10.1109/7.220955

Energy-Conservation Approach to Modeling PWM DC-DC Converters

Dariusz Czarkowski, Marian K. Kazimierczuk

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

A new systematic method is presented for including parasitic resistances and offset voltage sources of power switches into averaged dynamic large-signal, dc, and small-signal circuit models of pulse-width modulation (PWM) converters operating in continuous conduction mode (CCM). This method is based on the principle of energy conservation. The proposed approach takes into account the inductor current ripple. With zero-ripple current simplification, the presented method gives the same results as the state-space averaging method. Reflection rules are introduced and used to simplify the models. As an example, a procedure of modeling the PWM buck converter is detailed.

Original language	English (US)
Pages (from-to)	1059-1063
Number of pages	5
Journal	IEEE Transactions on Aerospace and Electronic Systems
Volume	29
Issue number	3
DOIs	https://doi.org/10.1109/7.220955
State	Published - Jul 1993

ASJC Scopus subject areas

Aerospace Engineering
Electrical and Electronic Engineering

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abstract = "A new systematic method is presented for including parasitic resistances and offset voltage sources of power switches into averaged dynamic large-signal, dc, and small-signal circuit models of pulse-width modulation (PWM) converters operating in continuous conduction mode (CCM). This method is based on the principle of energy conservation. The proposed approach takes into account the inductor current ripple. With zero-ripple current simplification, the presented method gives the same results as the state-space averaging method. Reflection rules are introduced and used to simplify the models. As an example, a procedure of modeling the PWM buck converter is detailed.",

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N2 - A new systematic method is presented for including parasitic resistances and offset voltage sources of power switches into averaged dynamic large-signal, dc, and small-signal circuit models of pulse-width modulation (PWM) converters operating in continuous conduction mode (CCM). This method is based on the principle of energy conservation. The proposed approach takes into account the inductor current ripple. With zero-ripple current simplification, the presented method gives the same results as the state-space averaging method. Reflection rules are introduced and used to simplify the models. As an example, a procedure of modeling the PWM buck converter is detailed.

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Energy-Conservation Approach to Modeling PWM DC-DC Converters

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