NDLI: A simple core loss modeling for three-phase PWM voltage source converters

Content Provider	IEEE Xplore Digital Library
Author	Javidi, N.F. Kouchaki, A. Nymand, M.
Copyright Year	2015
Description	Author affiliation: Maersk Mc-Kinney Moller Inst., Univ. of Southern Denmark, Odense, Denmark (Javidi, N.F.; Kouchaki, A.; Nymand, M.)
Abstract	This paper presents a simple core loss modeling approach for an inductor of three-phase voltage source converter (VSC) under pulse width modulation (PWM) technique. The inductor core loss calculation in PWM VSCs is challenging since the current ripple and its duty cycle are varying in each switching cycle. To calculate the core loss, however, generating the loss map as a common method is complicated and time consuming. This paper presents a new modeling method in which the minor B-H loops are categorized according the average dc bias and ac current ripple. The core loss is then modeled via calculating the power loss of averaged minor B-H loop in each category. On the other hand, unlike the loss map method, the presented model needs less iteration to find the core loss. Moreover, in this paper, the effect of dc pre-magnetization is investigated by measuring its influence on the core. As a case study, the core loss of an inductor has been calculated and the experimental results are presented. The inductor is designed with a toroidal Kool Mu powder core for a 5 kW three-phase PWM VSC.
Sponsorship	IEEE
Starting Page	003063
Ending Page	003068
File Size	550538
Page Count	6
File Format	PDF
e-ISBN	9781479917624
DOI	10.1109/IECON.2015.7392570
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-11-09
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Core loss Inductors Pulse width modulation Loss measurement Magnetic cores Current measurement Converters voltage source converter inductor core loss modeling pulse-width modulation
Content Type	Text
Resource Type	Article

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