NDLI: Power factor correction with a partial power processing converter

Content Provider	IEEE Xplore Digital Library
Author	Fernandez, A. Sebastian, J. Hernando, M.M. Lamar, D.G.
Copyright Year	2005
Description	Author affiliation: Grupo de Electron. Industrial, Univ. de Oviedo, Spain (Fernandez, A.; Sebastian, J.; Hernando, M.M.; Lamar, D.G.)
Abstract	When a power system needs power factor correction and fast output voltage regulation, two main possibilities arise: to use two converters connected in cascade or to use a single converter performing both things. In the first case, each converter performs a different function; the first one corrects the power factor and the second one provides fast output voltage regulation. With this option, the total power is processed twice. In the second case, a single converter achieves both specifications. In this case, the power is processed less than twice by the converter looking for a better efficiency. This paper presents a hybrid method to correct the power factor achieving fast output voltage regulation. Two converters are used but the one in charge of reducing the input current harmonic content only process a small part of the total power. Apart from the high efficiency of the system, the main advantage is that the voltage across the bulk capacitor can be equal to the peak input voltage. Furthermore, the second converter is completely independent and can be chosen among all existing converters. The main drawback is that this system is slightly more complex than a single stage converter. A prototype for a 500 W application has been built and tested to study the real performance of this system.
Starting Page	1723
Ending Page	1729
File Size	1154606
Page Count	7
File Format	PDF
ISBN	0780389751
DOI	10.1109/APEC.2005.1453273
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-03-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power factor correction Voltage control Reactive power Power harmonic filters Capacitors Power system harmonics Circuits Low pass filters Industrial power systems Prototypes
Content Type	Text
Resource Type	Article

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