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| Synchronous Reluctance Machine Based on Asymmetrical Rotor Structure and Sequential Taguchi Robust Optimization Method |
| Liu Chengcheng1,2, Wang Kelin1,2, Wang Shaopeng1,2, Wang Youhua1,2, Zhu Jianguo3 |
1. State Key Laboratory of Reliability and Intelligence of Electrical Equipment Hebei University of Technology Tianjin 300130 China;
2. Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability of Hebei Province Hebei University of Technology Tianjin 300130 China;
3. School of Electrical and Information Engineering University of Sydney Sydney 2006 Australia |
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Abstract At present, the design for rotor of the traditional synchronous reluctance machine (SynRM) with three-layer flux barrier has better performance and convenient manufacture, which has been recognized by the industry. Discussing the asymmetric magnetic flux barrier structure and the deformation of the magnetic flux barrier structure of the rotor is very important to fully grasp the characteristics of SynRM. Therefore, the asymmetrical design principle of SynRM under different power levels and the SynRM with quasi-salient pole rotor based on sequential Taguchi robust optimization method have been proposed. First of all, the asymmetrical design principle of restraining torque ripple is obtained by optimizing the traditional SynRM according to a certain power level. Then based on the salient rotor structure of switched reluctance machine (SRM), the SynRM with quasi-salient pole rotor is designed. The sequential Taguchi robust optimization method (STROM) has been used to get the optimal size of the 12-slot/8-pole machine with the distributed winding. The performance of the machine with different windings has been compared and analyzed by using the magnetic circuit model and finite element method. Finally, a SynRM with simpler structure and lower manufacturing cost is proposed.
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Received: 10 July 2020
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2022, Vol. 37 
