期刊
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
卷 69, 期 12, 页码 12249-12260出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2022.3146513
关键词
Interior permanent magnet synchronous machine (IPMSM); modulated vibration; radial force; step skewing of rotor segments
资金
- National Natural Science Foundation of China [51977099, 51991383]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
In this article, a targeted step skewing of rotor segments scheme is proposed to reduce the modulated vibration in integral-slot interior permanent magnet synchronous machines (IPMSMs). The experimental results validate the effectiveness of the proposed method.
In this article, a targeted step skewing of rotor segments scheme is proposed to reveal the modulated vibration reduction mechanism in integral-slot interior permanent magnet synchronous machines (IPMSMs). First, the vibration characteristics of a 72-slot/12-pole integral-slot IPMSM are investigated. The dominant vibration at specific frequency band is introduced. Then, in order to analyze the main source of vibration, the magnetic field modulation effect and radial force modulation effect are investigated in detail. The results show that the high-order radial force can excite large vibration by radial force modulation effect. This kind of vibration is defined as modulated vibration. Afterwards, the optimal shift angle and number of rotor segments are determined by comparison. Finally, the conventional and proposed 72-slot/12-pole integral-slot IPMSMs are manufactured to validate the theoretical analysis. The experimental results verify that the proposed method can effectively reduce the modulated vibration of the 72-slot/12-pole integral-slot IPMSM.
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