Abstract
The demand for highly efficient electric machines has been expanded in recent decade due to increase of energy consumption and the improvement of international standards for high efficiency machines. Although the rare-earth permanent magnet machines usually exhibit high performance, rare-earth resources are limited and their cost is high. In this case, this paper studies and compares the performance and cost of 2.2 kW copper-rotor induction machine (CR-IM), synchronous reluctance machine (SynRM), and PM-assisted synchronous reluctance machine (PMASynRM) achieving IE4 efficiency level. A finite-element method (FEM) is used to validate the performance of three machines. The results show that SynRM can achieve IE4 efficiency level with the lowest cost, but the power factor is a big challenge, PMASynRM has the best performance and a competitive cost advantage compared to CR-IM.
| Original language | English |
|---|---|
| Title of host publication | 2019 22nd International Conference on Electrical Machines and Systems, ICEMS 2019 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9781728133980 |
| DOIs | |
| State | Published - Aug 2019 |
| Event | 22nd International Conference on Electrical Machines and Systems, ICEMS 2019 - Harbin, China Duration: 11 Aug 2019 → 14 Aug 2019 |
Publication series
| Name | 2019 22nd International Conference on Electrical Machines and Systems, ICEMS 2019 |
|---|
Conference
| Conference | 22nd International Conference on Electrical Machines and Systems, ICEMS 2019 |
|---|---|
| Country/Territory | China |
| City | Harbin |
| Period | 11/08/19 → 14/08/19 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Copper-rotor induction machine (CR-IM)
- IE4 efficiency standards
- PM-assisted synchronous reluctance machine (PMASynRM)
- design optimization
- finite-element analysis (FEA)
- synchronous reluctance machine (SynRM)
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