Estimation of ripple and inductance roll off when using powdered iron core inductors

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Abstract

Magnetic cores like powdered iron cores have a variable permeability, which is dependent on the magnetic motive force of the inductor windings. When inductors are designed using such materials, the inductance varies as a function of the inductor current. This causes a non-linear current to flow through the inductor. In this paper, mathematical derivation of the inductancecurrent relationship is derived for such inductors. The model is applied for a KoolMmu(r) powdered iron core and the results are verified experimentally using an interleaved boost converter.
Original languageEnglish
Title of host publication Proceedings of PCIM Europe 2016 International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
PublisherVDE Verlag GMBH
Pages1383-1390
Number of pages8
ISBN (Print)978-3-8007-4186-1
Publication statusPublished - 2016
EventPCIM Europe 2016: International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management - Nuremberg, Germany
Duration: 10 May 201612 May 2016

Conference

ConferencePCIM Europe 2016
CountryGermany
CityNuremberg
Period10/05/1612/05/16

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