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A general approach to synthesis and analysis of quasi-resonant converters

Maksimović, Dragan and Ćuk, Slobodan (1991) A general approach to synthesis and analysis of quasi-resonant converters. IEEE Transactions on Power Electronics, 6 (1). pp. 127-140. ISSN 0885-8993. http://resolver.caltech.edu/CaltechAUTHORS:MAKieeetpe91a

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Abstract

A method for systematic synthesis of quasi-resonant (QR) topologies by addition of resonant elements to a parent pulse-width modulation (PWM) converter network is proposed. It is found that there are six QR classes with two resonant elements, including two novel classes. More complex QR converters can be generated by a recursive application of the synthesis method. Topological definitions of all known and novel QR classes follow directly from the synthesis method and topological properties of PWM parents. The synthesis of QR converters is augmented by a study of possible switch realizations and operating modes. In particular, it is demonstrated that a controllable rectifier can be used to accomplish the constant-frequency control in all QR classes. Links between the QR converters and the underlying PWM networks are extended to general DC and small-signal AC models in which the model of the PWM parent is explicitly exposed. Results of steady-state analyses of selected QR classes and operating modes include boundaries of operating regions, DC characteristics, a comparison of switching transitions and switch stresses, and a discussion of relevant design trade-offs.


Item Type:Article
Additional Information:© Copyright 1991 IEEE. Reprinted with permission. Manuscript received September 20, 1989. This paper was presented at the 1989 Power Electronics Specialists Conference, Milwaukee, WI, June 26-29. This work was conducted under the Power Electronics Program supported by grants from Boeing Electronics Company, GTE Communications Systems Corporation, Rockwell Inc., and EG&G Almond Instruments, Inc.
Record Number:CaltechAUTHORS:MAKieeetpe91a
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:MAKieeetpe91a
Alternative URL:http://dx.doi.org/10.1109/63.65011
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:6767
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:20 Dec 2006
Last Modified:26 Dec 2012 09:24

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