Abstract
Often, in detailed analyses of the characteristics of magnetic cores used in electrical equipment, the hysteresis of the core material must be taken into consideration. To do so, a numerical expression for the hysteresis characteristics of the material becomes necessary. One method which in principle can be used to express any arbitrary magnetization behavior is the Preisach model. The authors previously reported the results of measurements of Preisach distributions of various core materials; fairly complex distributions were obtained, making numerical formulation difficult. However, on using the Everett function to simulate the hysteresis behavior of different soft magnetic materials, quite good results were obtained, and are described.
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