Rotor strength analysis of high-speed surface mounted permanent magnet rotors

Zhang, C; Zhu, J; Han, X

Rotor strength analysis of high-speed surface mounted permanent magnet rotors

Zhang, C Zhu, J

Han, X

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Publication Type:: Journal Article
Citation:: Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering, 2016, 36 (17), pp. 4719 - 4727
Issue Date:: 2016-09-05

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Field	Value	Language
dc.contributor.author	Zhang, C	en_US
dc.contributor.author	Zhu, J https://orcid.org/0000-0002-9763-4047	en_US
dc.contributor.author	Han, X	en_US
dc.date.issued	2016-09-05	en_US
dc.identifier.citation	Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering, 2016, 36 (17), pp. 4719 - 4727	en_US
dc.identifier.issn	0258-8013	en_US
dc.identifier.uri	http://hdl.handle.net/10453/104798
dc.description.abstract	© 2016 Chin. Soc. for Elec. Eng. During high speed operation, permanent magnets (PMs) cannot withstand tensile stress due to the large centrifugal force, and an alloy enclosure is commonly employed to protect the permanent magnets. In order to ensure the safe operation of permanent magnet rotors, it is necessary to calculate the stress in the alloy enclosures and PMs. Because of the slim characteristic of high speed permanent magnet rotors, analytical expressions of stress, strain and displacement were deduced based on the theory of the thick-walled cylinder. The validity of the theoretic analysis was verified by the finite element method (FEM). Based on the derived analytic expressions, the influences of static interference, the thickness of alloy enclosures and shaft material character on strength were analyzed, and the general design guidelines were derived. Using a high speed PM machine of 30000r/min and 15kW as an example, the design method of high speed PM rotor strength and a basis for protective sleeve design are given.	en_US
dc.relation.ispartof	Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering	en_US
dc.relation.isbasedon	10.13334/j.0258-8013.pcsee.151816	en_US
dc.title	Rotor strength analysis of high-speed surface mounted permanent magnet rotors	en_US
dc.type	Journal Article
utslib.citation.volume	17	en_US
utslib.citation.volume	36	en_US
utslib.for	090607 Power and Energy Systems Engineering (excl. Renewable Power)	en_US
utslib.for	0906 Electrical and Electronic Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CCET - Centre for Clean Energy Technology
utslib.copyright.status	closed_access
pubs.issue	17	en_US
pubs.publication-status	Published	en_US
pubs.volume	36	en_US

Abstract:

© 2016 Chin. Soc. for Elec. Eng. During high speed operation, permanent magnets (PMs) cannot withstand tensile stress due to the large centrifugal force, and an alloy enclosure is commonly employed to protect the permanent magnets. In order to ensure the safe operation of permanent magnet rotors, it is necessary to calculate the stress in the alloy enclosures and PMs. Because of the slim characteristic of high speed permanent magnet rotors, analytical expressions of stress, strain and displacement were deduced based on the theory of the thick-walled cylinder. The validity of the theoretic analysis was verified by the finite element method (FEM). Based on the derived analytic expressions, the influences of static interference, the thickness of alloy enclosures and shaft material character on strength were analyzed, and the general design guidelines were derived. Using a high speed PM machine of 30000r/min and 15kW as an example, the design method of high speed PM rotor strength and a basis for protective sleeve design are given.

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http://hdl.handle.net/10453/104798