The application of PMSM for electric vehicle driving is more and more widely, but the electromagnetic noise is the main problem which restricts the development of PMSM. The electromagnetic force which acts on motor stator and the structure dynamic characteristics of motor stator are the two key factors which decide the electromagnetic noise of PMSM. In this paper, take PMSM as study object,researches are working hard on the two factors to analyze the electromagnetic noise of PMSM for electric vehicle driving. The author researched generation mechanism of PMSM electromagnetic force, deducted analytical method for electromagnetic force under both no-load and load condition, and then calculated wave orders and frequency of electromagnetic force affecting on stator surface of PMSM. The electromagnetic simulating model of PMSM is built based on electromagnetic simulation software Ansoft, and calculated air-gap flux density using time stepping finite element method under both no-load and load condition, then obtained air-gap flux density spectrum by FFT analysis with simulation results. The author calculated harmonic orders, frequency and amplitude of electromagnetic force by combining calculation results and simulation results. As for structure dynamic characteristics of PMSM, the author built three types of finite element simulation models with stator core, stator core with windings and the whole stator structure. Modal frequency and shape is obtained by finite element modal simulation with three type models. From the results we found that the first six orders modal frequency of the whole stator structure is lower, and the stator structural resonance is easily inspired by the electromagnetic force under both no-load and load condition during speed regulation.


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    Titel :

    Electromagnetic Noise Study of Permanent Magnet Synchronous Motor for Electric Vehicle


    Weitere Titelangaben:

    Lect. Notes Electrical Eng.


    Beteiligte:
    Shen, Xiumin (Autor:in) / Wang, Yong (Autor:in) / Li, Bin (Autor:in) / Yue, Yuanjian (Autor:in)


    Erscheinungsdatum :

    07.11.2012


    Format / Umfang :

    12 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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