NDLI: Low-Frequency Input Impedance Modeling of Boost Single-Phase PFC Converters

Content Provider	IEEE Xplore Digital Library
Author	Min Chen Jian Sun
Copyright Year	1986
Abstract	Input impedance models of boost single-phase power factor correction converters suitable for predicting small-signal input characteristics below the line fundamental frequency are presented in this paper. Existing low-frequency input impedance models based on double averaging predicts input current responses to perturbations in the amplitude of the input voltage. It is shown in this paper that such impedance models do not conform to the standard definition of impedance, and, hence, cannot be used in conjunction with the source output impedance to study system interactions based on the Nyquist stability criterion, as traditionally done in dc power systems. A new input impedance model that overcomes this problem is developed by using the method of harmonic balance. The new model conforms to the standard definition of impedance and predicts input current responses to superimposed input harmonic voltages. Numerical simulation and experimental results are presented to validate the proposed model. Mathematical relationship between the two types of models are also presented.
Sponsorship	IEEE Power Electronics Society
Starting Page	1402
Ending Page	1409
Page Count	8
File Size	704567
File Format	PDF
ISSN	08858993
Volume Number	22
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Impedance Power system modeling Predictive models Power system harmonics Voltage Power system stability Power factor correction Frequency conversion Stability criteria Power system simulation stability Input impedance power factor correction (PFC)
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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