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Recently the rare-earth magnet NdFeB is applied to a magnet rotor of electric vehicles. The heat problem due to eddy current loss in the PM is made clear in very high speed applications. This paper pr...esents analysis of eddy currents produced in the PM parts of PMSM. The finite element method is used to take into account complicated eddy current phenomena in the PM. The numerical results are obtained under constant current-mode operation and constant power-mode operation.続きを見る
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