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A Generalized Approach to Analysing a Class of Passively Soft-Switched PWM DC-DC Converters


MU Agu

Abstract

In this paper, a generalised approach to the analysis of a class of passively soft-switched PWM DC-DC converters is presented. The circuit cell that gives this class of converters its passively soft-switched characteristics is first introduced. The use of this circuit cell to transform the basic hard switched converters (buck, boost, bucklboost, Cuk's, Sepic and Zeta) into their varied passively soft-switched PWM topologies is illustratively presented. A generalised analysis representative of all the soft-switched converter types in the class is carried out.


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eISSN: 2467-8821
print ISSN: 0331-8443