NDLI: Capacitor ripple current in an interleaved PFC converter

Content Provider	IEEE Xplore Digital Library
Author	Jinsong Zhu Pratt, A.
Copyright Year	2008
Description	Author affiliation: Intel Asia-Pacific R&D Ltd. Shanghai, Shanghai (Jinsong Zhu)
Abstract	In order to achieve high power density in power supplies, it is desirable to minimize the physical size of the energy storage capacitor. The capacitance is determined by the energy storage requirement for line outage ride-through and also the ripple current handling capability of the capacitor. In cases where ripple current considerations dominate, interleaving is well known as an effective method to reduce the capacitor ripple current. This paper presents a methodology to calculate the ripple current, both for single phase and for m interleaved phases of power factor correction (PFC) converters operating with constant load or a DC-DC converter load. Experimental results from a commercial power supply yielded a small error when compared to the calculations, showing that the proposed methodology has enough accuracy to be used as a design tool.
Starting Page	3444
Ending Page	3450
File Size	199162
Page Count	7
File Format	PDF
ISBN	9781424416677
ISSN	02759306
DOI	10.1109/PESC.2008.4592488
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-06-15
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Converters Capacitors Integrated circuits Inductance Switches Energy storage Harmonic analysis
Content Type	Text
Resource Type	Article

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