NDLI: Multi-harmonic small-signal modeling of digitally controlled dc-dc series resonant converters

Content Provider	IEEE Xplore Digital Library
Author	Scandola, L. Corradini, L. Spiazzi, G.
Copyright Year	2015
Description	Author affiliation: Dept. of Inf. Eng., Univ. of Padova, Padua, Italy (Scandola, L.; Corradini, L.; Spiazzi, G.)
Abstract	This paper addresses the problem of small-signal modeling of digitally controlled dc-dc series resonant converters when controlled using a combination of phase shift and pulse width modulation. Examples of such combined modulation techniques have been recently proposed as part of online efficiency optimization controllers, in which the regulator acts on both the phase shift between the input and output legs and the duty cycle of one of the converter legs. This paper extends the dynamic phasor approach, employed for instance when a pure phase shift control is used, to a more general multi-harmonic model which accounts for the effects of duty cycle modulation on both the baseband components and the switching frequency components. Theoretical findings confirm the need for an extended model in order to fully capture the converter dynamics. Simulations and experimental results are presented to validate the approach.
Starting Page	1
Ending Page	8
File Size	257496
Page Count	8
File Format	PDF
e-ISBN	9781467368476
DOI	10.1109/COMPEL.2015.7236478
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-12
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pulse width modulation Baseband Phase modulation RLC circuits Harmonic analysis Integrated circuit modeling
Content Type	Text
Resource Type	Article

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