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Author Salmon, J. ♦ Knight, A. ♦ Ewanchuk, J. ♦ Noor, N.
Source IEEE Xplore Digital Library
Content type Text
Publisher Institute of Electrical and Electronics Engineers, Inc. (IEEE)
File Format PDF
Copyright Year ©2008
Language English
Subject Domain (in DDC) Natural sciences & mathematics ♦ Physics ♦ Electricity & electronics ♦ Technology ♦ Engineering & allied operations ♦ Applied physics
Subject Keyword Inductors ♦ Rectifiers ♦ Magnetic cores ♦ Pulse width modulation ♦ Windings ♦ Topology ♦ Switches
Abstract The number of voltage levels available in PWM voltage source converters can be increased by using a split-wound coupled inductor and interleaved PWM switching. This paper examines this technique using a multi-level 1-phase boost rectifier. Traditional interleaved boost rectifiers lower the high frequency input current ripple using current ripple cancellation. Alternatively, the proposed approach uses high frequency multi-level PWM voltage waveforms. The high frequency current ripple and parasitic DC currents are the only winding current components that produce magnetic flux in the coupled inductors. This contrasts with traditional interleaved boost rectifiers where the much larger AC supply input current produces flux in the magnetic core. This feature allows the physical size of the coupled inductors to be reduced, and their inductor value increased to provide improved protection against core saturation. Simulation and experimental results are used to illustrate the operation of the proposed converters. A design study is presented to illustrate that the proposed technique has much lower magnetic core losses, and is competitive in size to traditional techniques.
Description Author affiliation: Univ. of Alberta, Edmonton, AB (Salmon, J.; Knight, A.; Ewanchuk, J.; Noor, N.)
ISBN 9781424416677
ISSN 02759306
Educational Role Student ♦ Teacher
Age Range above 22 year
Educational Use Research ♦ Reading
Education Level UG and PG
Learning Resource Type Article
Publisher Date 2008-06-15
Publisher Place Greece
Rights Holder Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Size (in Bytes) 648.58 kB
Page Count 8
Starting Page 3156
Ending Page 3163

Source: IEEE Xplore Digital Library