DOI: 10.1109/itec-ap.2014.6940845
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Shi Wei, Zhang Zhouyun, Zhang Yunhuan

Abstract: This paper aims at the irreversible demagnetization phenomenon of interior permanent magnet synchronous motor (IPMSM). The author considers the main demagnetization factors of temperature and magnetic field distribution in IPMSM. The anti-demagnetization bidirectional magnetic network model of IPMSM is constructed by bidirectional magnetic network element, which can calculate distribution of radial and circumferential magnetic field lines. Basic characteristics and the anti-demagnetization capability of IPMSM…

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