Abstract

ABSTRACT This paper investigates some of the potentialities and limitations of the technique of scale modelling as it applies to magnetic field problems. Simple relations for modelling static and dynamic linear devices are presented first. Particular attention is then given to the problem of scale modelling of nonlinear ferromagnetic devices. While static nonlinear fields can usually be modelled with good accuracy, time-varying fields in nonlinear ferromagnetic materials have severe modelling limitations.

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