Abstract
Typically a power-factor-correction power supply consists of two stages, one responsible for power factor correction and the other for voltage regulation. In this paper, we propose to use a constant power sink to represent the voltage regulating stage, resulting in an analytically tractable model that is able to predict the period-doubled oscillations at line frequency which are not detectable by other conventional models. Using a generalized averaging approach, we investigate the lowfrequency dynamics and derive closed-form stability conditions which accurately locate the stability boundaries on selected parameter planes. The model can be conveniently used to evaluate the performance of power-factor-correction power supplies, such as harmonic distortion and power factor. Experimental results are presented to verify the model.
Original language | English |
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Title of host publication | PESC 07 - IEEE 38th Annual Power Electronics Specialists Conference |
Pages | 1298-1303 |
Number of pages | 6 |
DOIs | |
Publication status | Published - 1 Dec 2007 |
Event | PESC 07 - IEEE 38th Annual Power Electronics Specialists Conference - Orlando, FL, United States Duration: 17 Jun 2007 → 21 Jun 2007 |
Conference
Conference | PESC 07 - IEEE 38th Annual Power Electronics Specialists Conference |
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Country | United States |
City | Orlando, FL |
Period | 17/06/07 → 21/06/07 |
ASJC Scopus subject areas
- Modelling and Simulation
- Condensed Matter Physics
- Energy Engineering and Power Technology
- Electrical and Electronic Engineering