Generalized averaging method for power conversion circuits

A more general averaging procedure that encompasses state-space averaging and that is potentially applicable to a much broader class of circuits and systems is presented. Examples of its application in resonant and PWM power convertors are presented. The technique is shown to be effective on a numbe...

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Bibliographic Details
Published in:IEEE transactions on power electronics 1991-04, Vol.6 (2), p.251-259
Main Authors: Sanders, S.R., Noworolski, J.M., Liu, X.Z., Verghese, G.C.
Format: Article
Language:English
Subjects:
240100 - Power Systems- (1990-)
Applied sciences
DC TO DC CONVERTERS
Electrical engineering. Electrical power engineering
ELECTRICAL EQUIPMENT
ELECTRONIC CIRCUITS
Exact sciences and technology
Fourier series
Linear approximation
PERFORMANCE TESTING
Power conversion
Power electronics, power supplies
POWER SYSTEMS
POWER TRANSMISSION AND DISTRIBUTION
Pulse width modulation
Pulse width modulation converters
Resonance
RLC circuits
Switches
SWITCHING CIRCUITS
Switching converters
TESTING
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Summary:A more general averaging procedure that encompasses state-space averaging and that is potentially applicable to a much broader class of circuits and systems is presented. Examples of its application in resonant and PWM power convertors are presented. The technique is shown to be effective on a number of examples. including resonant type converters. The approach offers refinements to the theory of state-space averaging, permitting a framework for analysis and design when small ripple conditions do not hold. The method may find applications in simulation and design since it is considerably easier to simulate an averaged model than a switched model.< >
ISSN:0885-8993
1941-0107
DOI:10.1109/63.76811