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SIMULATION
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Dynamic simulation of ferromagnetic hysteretic behaviour by digital computer

John L. Hay

Department of Electrical Engineering University of Salford Salford M5 4WT, England

Robert I. Chaplin

Department of Electrical Engineering,University of Salford, Salford M5 4WT, England

A model is presented which produces the locus on the B-H plane of a ferromagnetic specimen subject to dynamic operating conditions. The model accurately represents the magnetisation curve and the saturation Zoop as well as exhibiting the correct inner loop behaviour. The concept of a primitive magnetic eZe ment is introduced, and the paper illustrates how a finite number of these elements may be combined and their characteristics chosen so as to represent the hysteretic behaviour of a ferromagnetic device. Validation is achieved by comparing experimental and computed results for both symmetrical and asymmetri caZ inner Zoop behaviour. The incremental inductance of an electro-magnetic device may be readily calculat ed from the proposed model which is presented in a form suitable for either digital or analog computer simulation.

SIMULATION, Vol. 25, No. 6, 185-191 (1975)
DOI: 10.1177/003754977502500605
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