Transactions of China Electrotechnical Society  2018, Vol. 33 Issue (1): 55-63    DOI: 10.19595/j.cnki.1000-6753.tces.161454
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Design and Strength Optimization of the Carbon Fiber Sleeve of High-Power High-Speed PMSM with Flat Structure
Wan Yuan1, Cui Shumei1, Wu Shaopeng1, Ostanin Sergei Yurievich2, Milyaev Igor Matveevich3
1. School of Electrical Engineering and Automation Harbin Institute of Technology Harbin 150080 China;
2. Moscow Power Engineering Institute Moscow 111250 Russia;
3. Institute of Metallurgy and Materials Russian Academy of Sciences Ekaterinburg 620016 Russia

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Abstract  

For the design of carbon fiber sleeve of the high-speed permanent magnet synchronous motor with segmented permanent magnets and flat structure, parametric model was proposed to achieve the rapid design of the sleeve. Influences of interference value between sleeve and magnets, radial compressive stress of magnets, and diameter of rotor on the design of sleeve were analyzed. A 3-D finite element model was built to verify the analytical results. In addition, with the temperature rise results of the rotor, it was used to investigate the problem of bending stress of the sleeve caused by pole spacers under different temperature which may result in destruction of the sleeve. The influences of different pole spacer materials on the bending stress of the sleeve were compared. As a result, the bending stress of the sleeve could be greatly decreased by titanium alloy pole spacers and the strength was optimized. A prototype was manufactured and the test was provided.

Key wordsHigh-speed permanent magnet synchronous motor      rotor strength      pole spacer      carbon fiber sleeve      bending stress     
Received: 12 September 2016      Published: 16 January 2018
PACS: TM351  
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Wan Yuan
Cui Shumei
Wu Shaopeng
Ostanin Sergei Yurievich
Milyaev Igor Matveevich
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Wan Yuan,Cui Shumei,Wu Shaopeng等. Design and Strength Optimization of the Carbon Fiber Sleeve of High-Power High-Speed PMSM with Flat Structure[J]. Transactions of China Electrotechnical Society, 2018, 33(1): 55-63.
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