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Magnetic Materials and 3D Finite Element Modeling by Nelson Sadowski, João A. Bastos

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3 Scalar Hysteresis Modeling

3.1 INTRODUCTION

As presented in the previous chapter, hysteresis losses can be modeled by Steinmetz equation. However, a more accurate approach consists in simulating the actual hysteresis loops themselves.

Equation 2.6 represents the alternating and rotational losses. Purely alternating inductions are the alternating losses, origin, and the corresponding hysteresis loops can be considered by scalar hysteresis models. For rotational losses evaluation, vector hysteresis models are needed. Even if scalar hysteresis is a particular case of vector models, they are relatively simple, and, for didactical reasons, they will be presented in this chapter.

There are several models to describe hysteresis cycles. Among them, ...

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