Simulation of magnetic component models in electric circuits including dynamic thermal effects

P. R. Wilson, J. N. Ross, A. D. Brown

Research output: Contribution to journalArticle

95 Citations (Scopus)

Abstract

It is essential in the simulation of power electronics applications to model magnetic components accurately. In addition to modeling the nonlinear hysteresis behaviour, eddy currents and winding losses must be included to provide a realistic model. In practice the losses in magnetic components give rise to significant temperature increases which can lead to major changes in the component behaviour. In this paper a model of magnetic components is presented which integrates a nonlinear model of hysteresis, electro-magnetic windings and thermal behaviour in a single model for use in circuit simulation of power electronics systems. Measurements and simulations are presented which demonstrate the accuracy of the approach for the electrical, magnetic and thermal domains across a variety of operating conditions, including static thermal conditions and dynamic self heating.
Original languageEnglish
Pages (from-to)55-65
Number of pages11
JournalIEEE Transactions on Power Electronics
Volume17
Issue number1
DOIs
Publication statusPublished - 1 Jan 2002

Keywords

  • Dynamic thermal effects, electromagnetic devices, Jiles-Atherton, modeling, simulation

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