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1998•IEEE Transactions on MagneticsRequires access

Evaluation of magnetic material losses produced by hysteresis and eddy currents

Valentin Ioniţă, Gabriel Preda

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Abstract

The paper presents a fast method for computing the quasi-stationary electromagnetic field in devices containing both magnetically nonlinear materials and hysteretic materials. The linear iterative procedure of fixed-point type allows the correct evaluation of the local field and of the losses produced by hysteresis and eddy currents. The tests are performed on a single-sheet device used to determine the magnetic material losses under the AC uniform field.

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What this paper is about

The paper presents a fast method for computing the quasi-stationary electromagnetic field in devices containing both magnetically nonlinear materials and hysteretic materials. The linear iterative procedure of fixed-point type allows the correct evaluation of the local field and of the losses produced by hysteresis and eddy currents. The tests are performed on a single-sheet device used to determine the magnetic material losses under the AC uniform field.

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Available abstract

The paper presents a fast method for computing the quasi-stationary electromagnetic field in devices containing both magnetically nonlinear materials and hysteretic materials. The linear iterative procedure of fixed-point type allows the correct evaluation of the local field and of the losses produced by hysteresis and eddy currents. The tests are performed on a single-sheet device used to determine the magnetic material losses under the AC uniform field.

Key concepts: Eddy current, Hysteresis, Magnetic hysteresis, Magnetic field, Nonlinear system, Mechanics, Materials science, Point (geometry)

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