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Arata, Masanori,Takahashi, Norio,Fujita, Masafumi,Mochizuki, Motoyasu,Araki, Takashi,Hanai, Takashi The Korean Institute of Power Electronics 2012 JOURNAL OF POWER ELECTRONICS Vol.12 No.1
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).
Masanori Arata,Norio Takahashi,Masafumi Fujita,Motoyasu Mochizuki,Takashi Araki,Takashi Hanai 전력전자학회 2012 JOURNAL OF POWER ELECTRONICS Vol.12 No.1
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).