A Novel Sleeve Design to Reduce the Eddy Current Loss of High-Speed Electrical Machines-Reference-Cited by-同舟云学术

A Novel Sleeve Design to Reduce the Eddy Current Loss of High-Speed Electrical Machines

Published:2023-07-19 Issue:7 Volume:11 Page:756
ISSN:2075-1702
Container-title:Machines
language:en
Short-container-title:Machines

Author:

Lee Seung-Heon¹^ORCID,Song Si-Woo²^ORCID,Jeong Min-Jae³^ORCID,Kim Won-Ho³^ORCID,Jung Dong-Hoon⁴

Affiliation:

1. Department of Next Generation Energy System Convergence, Gachon University, Seongnam 13120, Republic of Korea

2. Department of Electrical Engineering, Hanyang University, Seoul 04763, Republic of Korea

3. Department of Electrical Engineering, Gachon University, Seongnam 13120, Republic of Korea

4. School of Mechanical, Automotive and Robot Engineering, Halla University, Wonju 26404, Republic of Korea

Abstract

Demand for high-speed motors is increasing. Surface-mounted permanent magnet synchronous motors (SPMSM) used in high-speed applications have magnets attached to the rotor, so there is a risk of damage and scattering due to centrifugal force as the speed increases. For this reason, applying the retaining sleeve to the rotor is essential. However, when using sleeves, there is a problem of reducing efficiency due to eddy current loss. In this paper, a study was conducted on a motor for a 100 kW building air conditioning system operating at a speed of 20,000 rpm. The purpose of the study is to reduce eddy current loss by optimizing the sleeve geometry. To this end, 3D finite element analysis (FEA) using JMAG 22.1 was conducted to analyze eddy current loss, the minimum safety factor was analyzed through mechanical stiffness analysis using ANSYS Workbench, and the validity of sleeve shape was proved through cause analysis. Through the research results, it is expected that the shape change of the sleeve will have the effect of reducing eddy current loss.

Funder

Korea government

National Research Foundation of Korea

Publisher

MDPI AG

Subject

Electrical and Electronic Engineering,Industrial and Manufacturing Engineering,Control and Optimization,Mechanical Engineering,Computer Science (miscellaneous),Control and Systems Engineering

Link

https://www.mdpi.com/2075-1702/11/7/756/pdf

Reference25 articles.

1. Wang, L., Du, G., Tong, J., Huang, N., Hu, C., and Xu, W. (2021, January 1–3). Comparation of Different Rotor Sleeves of Highspeed Permanent Magnet Synchronous Motors Based on Multi-physics. Proceedings of the 2021 IEEE 4th Student Conference on Electric Machines and Systems (SCEMS), Huzhou, China.

2. High-speed electrical machines: Technologies, trends, and developments;Gerada;IEEE Trans. Ind. Electron.,2014

3. Performance comparison analysis and process suggestion through slotless SPMSM during high-speed operation;Lee;AIP Adv.,2023

4. Honda, Y., Yokote, S., Higaki, T., and Takeda, Y. (1997, January 5–9). Using the Halbach magnet array to develop an ultrahigh-speed spindle machine for machine tools. Proceedings of the IEEE Industry Applications Conference Thirty-Second IAS Annual Meeting, New Orleans, LA, USA.

5. Evaluation of applying retaining shield rotor for high-speed interior permanent magnet machines;Zhang;IEEE Trans. Magn.,2015

Cited by 1 articles. 订阅此论文施引文献订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献

1. Deformation model and performance of multi-layer flywheel based on laser displacement detection method;2023 26th International Conference on Electrical Machines and Systems (ICEMS);2023-11-05