期刊
2022 IEEE ANDESCON
卷 -, 期 -, 页码 596-601出版社
IEEE
DOI: 10.1109/ANDESCON56260.2022.9989932
关键词
high speed; induction motor; solid rotor; synchronous reluctance motor
类别
资金
- Agencia Nacional de Investigacion y Desarrollo (ANID), Chile [ANIDPFCHA/Doctorado Nacional/2020-21200527, ANID-PFCHA/Doctorado Nacional/2020-21200350]
- Agencia Nacional de Investigacion y Desarrollo (ANID), Chile through project FONDECYT REGULAR [1201667]
- Agencia Nacional de Investigacion y Desarrollo (ANID), Chile through project FONDEF [ID21I10099]
This article presents a comparative study between a synchronous reluctance machine and a solid rotor induction machine, both operating at a mechanical speed of 20,000 r/min. The results show that the SynRM has lower core losses and higher overall efficiency, but higher torque ripple compared to the SR-IM. The SR-IM, on the other hand, has significantly lower mechanical stress and can withstand higher operation speeds without compromising rotor structure integrity.
High-speed applications represent a challenge in electrical machine design due to the thermal, mechanical and electromagnetic factors involved. Consequently, a good selection of the machine topology is crucial to satisfy the requirements of these applications. Nevertheless, devising appropriate selection criteria requires comprehensive comparative studies between prominent topologies, in order to provide relevant information of their suitability for different operating scenarios. This article presents a comparative study based on the finite element analysis (FEA) of two high-speed electrical machines sharing a common stator design: a synchronous reluctance machine and a solid rotor induction machine. Both with a mechanical speed of 20,000 r/min. The results show that, for the same mean torque objective, the SynRM provides lower core losses and higher overall efficiency, at the cost of developing higher torque ripple. Additionally, the SR-IM suffers from significantly lower mechanical stress, creating headroom to withstand higher operation speeds without compromising the rotor structure integrity.
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