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| Design and Characteristic Analysis of an Axial-Flux Permanent Magnet Synchronous Motor with Contra-Rotating Rotors |
| Huang Shoudao1, Cheng Shuangyin1, Luo Derong1, Rao Zhimeng1, Shen Fengshun2, Wang Jiabao1 |
1. Green Automobile Collaborative Innovation Center of Hunan Province Hunan University Changsha 410082 China;
2. School of Electrical and Information Engineering Shanghai Jiao Tong University Shanghai 200240 China |
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Abstract This paper analyzes an axial-flux permanent magnet synchronous motor (PMSM) with contra-rotating rotors used for contra-propeller driving. A preliminary design method for the motor is proposed in this paper and its main size equation is obtained. A 3D FEA software is used to model this motor and transient simulations are carried out to obtain its magnetic characteristic and main performances. A main focus is put on the back-emf characteristic with different angular positions between the two rotors. Finally, a 2.2 kW prototype is fabricated to validate the analysis of this paper.
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Received: 27 July 2016
Published: 22 December 2017
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2017, Vol. 32 
