Noise Lowering for a Large Variable Speed Range Use Permanent Magnet Motor by Frequence Shift and Structural Response Evaluation of Electromagnetic Forces

According to electrical output up rating of a permanent magnet motor and request to operate for a large variable speed range, resonance between structural natural vibration and electromagnetic force inside the motor can take place and make noise. This paper describes the mechanism of a resonance between them and noise lowering procedure by frequency shift when they are applied to the reluctance torque largely employed new motor named Permanent magnet Reluctance Motor (PRM).

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Cite this article

[IEEE Style]

M. Arata, N. Takahashi, M. Fujita, M. Mochizuki, T. Araki, T. Hanai, "Noise Lowering for a Large Variable Speed Range Use Permanent Magnet Motor by Frequence Shift and Structural Response Evaluation of Electromagnetic Forces," Journal of Power Electronics, vol. 12, no. 1, pp. 67-74, 2012. DOI: 10.6113/JPE.2012.12.1.67.

[ACM Style]

Masanori Arata, Norio Takahashi, Masafumi Fujita, Motoyasu Mochizuki, Takashi Araki, and Takashi Hanai. 2012. Noise Lowering for a Large Variable Speed Range Use Permanent Magnet Motor by Frequence Shift and Structural Response Evaluation of Electromagnetic Forces. Journal of Power Electronics, 12, 1, (2012), 67-74. DOI: 10.6113/JPE.2012.12.1.67.