Stress and Temperature Rise of High Speed Surface-Mounted Permanent Magnet Rotor with Different Protection Types
Zhang Chao1, Chen Lixiang1, Yu Shenbo1, Sun Ning1, Wang Xiaoyu1
1. National Engineering Research Center for REPM Machine Shenyang University of Technology Shenyang 110870 China; 2. Mechanical Engineering Institute Shenyang University of Technology Shenyang 110870 China
Abstract：For the different protection type of high-speed surface-mounted permanent magnet （SMPM） rotor, an analytical calculation model for the stress calculation of SMPM rotor was established. Based on the analytical model, PM rotor with carbon fiber (CF) and titanium alloy (TA) was designed. And the analytical calculation model for different enclosure protection methods was verified by finite element method (FEM). The effects of different enclosure materials, interference, pole filler materials, and temperature on the enclosure equivalent stress were analyzed. A calculation model of eddy current loss and temperature rise of high-speed SMPM rotor was established. Eddy current loss distribution and PM temperature rise with different enclosure protection measures and different pole filler materials were studied. On this basis, the design and manufacture of a high-speed SMPM motor was designed and tested, it provides effectiveness verification of the analytical method.
张超, 陈丽香, 于慎波, 孙宁, 王晓宇. 不同保护型式下的高速表贴式永磁转子应力与温升分析[J]. 电工技术学报, 2019, 34(9): 1815-1824.
Zhang Chao, Chen Lixiang, Yu Shenbo, Sun Ning, Wang Xiaoyu. Stress and Temperature Rise of High Speed Surface-Mounted Permanent Magnet Rotor with Different Protection Types. Transactions of China Electrotechnical Society, 2019, 34(9): 1815-1824.
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2019, Vol. 34 
