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Symbolic analysis of switching power converters based on a general averaging method

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2 Author(s)
Sun, J. ; Dept. of Electr. Eng., Paderborn Univ., Germany ; Grotstollen, H.

Symbolic analysis methods for averaged modeling of switching power converters are discussed in this paper. A general averaging method suitable for computer-aided analysis is discussed first. A symbolic analysis package which uses this averaging method to automatically generate an analytical averaged model for a switching power converter is then described. The package is implemented using the computer algebra system Mathematica and can be applied to DC/DC power converters using different switching techniques, including hard switching PWM, quasi-resonant soft switching, and soft transition. Several examples are provided to demonstrate the applications of the package. Possible further applications of symbolic analysis methods in power electronics are also discussed

Published in:

Power Electronics Specialists Conference, 1996. PESC '96 Record., 27th Annual IEEE  (Volume:1 )

Date of Conference:

23-27 Jun 1996