An improved method for predicting magnetic power losses in SMC electrical machines

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Journal Article
International Journal of Applied Electromagnetics and Mechanics, 2004, 19 (1-4), pp. 75 - 78
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This paper presents an improved method for predicting magnetic power losses in electrical machines with soft magnetic composite (SMC) cores. Different formulations are used for magnetic power loss prediction with purely alternating, purely circular rotating, and elliptically rotating flux density vectors, respectively. A series of three-dimensional (3D) finite element analyses is conducted to determine the flux density locus in each element in a claw pole permanent magnet SMC electrical machine when the rotor rotates. The predicted results are compared with the experimental data of the prototype.
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