Power Loss and Thermal Analysis of a MW High Speed Permanent Magnet Synchronous Machine

Yue Zhang; Sean McLoone; Wenping Cao; Fengyi Qiu; Chris Gerada

doi:10.1109/TEC.2017.2710159

Power Loss and Thermal Analysis of a MW High Speed Permanent Magnet Synchronous Machine

Yue Zhang, Sean McLoone, Wenping Cao, Fengyi Qiu, Chris Gerada

College of Engineering and Physical Sciences

Research output: Contribution to journal › Article › peer-review

Abstract

High speed permanent magnet synchronous machines (PMSMs) have attracted much attention due to their high power density, high efficiency, and compact size for direct-drive applications. However, the consequent power loss density is high and heat transfer is also deemed as a technical challenge. This is particularly the case for high-speed operation. In this paper, electromagnetic and mechanical power losses in a MW level high speed PMSM is comprehensively investigated by finite element analysis; the transient machine demagnetization performance is studied with the proposed rotor composite structure to improve the machine anti-demagnetization capability; the temperature distribution of the high speed PMSM is also analyzed by a fluid-thermal coupling method with calculated power loss. The high speed PMSM is prototyped and experimentally tested to validate the effectiveness of numerical models and calculated results.

Original language	English
Pages (from-to)	1468-1478
Journal	IEEE Transactions on Energy Conversion
Volume	32
Issue number	4
Early online date	31 May 2017
DOIs	https://doi.org/10.1109/TEC.2017.2710159
Publication status	Published - 1 Dec 2017

Bibliographical note

© 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Funding:Royal Society, UK and by the National Natural Science Foundation, China under Grant 5141101208

Keywords

Demagnetization
finite element method
High speed PM machine
magnetic field
power loss
thermal analysis

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10.1109/TEC.2017.2710159

Power Loss and Thermal Analysis of a MW High Speed Permanent Magnet Synchronous Machine
© 20xx IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Accepted author manuscript, 1.03 MB

Cite this

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title = "Power Loss and Thermal Analysis of a MW High Speed Permanent Magnet Synchronous Machine",

abstract = "High speed permanent magnet synchronous machines (PMSMs) have attracted much attention due to their high power density, high efficiency, and compact size for direct-drive applications. However, the consequent power loss density is high and heat transfer is also deemed as a technical challenge. This is particularly the case for high-speed operation. In this paper, electromagnetic and mechanical power losses in a MW level high speed PMSM is comprehensively investigated by finite element analysis; the transient machine demagnetization performance is studied with the proposed rotor composite structure to improve the machine anti-demagnetization capability; the temperature distribution of the high speed PMSM is also analyzed by a fluid-thermal coupling method with calculated power loss. The high speed PMSM is prototyped and experimentally tested to validate the effectiveness of numerical models and calculated results.",

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AU - Cao, Wenping

AU - Qiu, Fengyi

AU - Gerada, Chris

N1 - © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. Funding:Royal Society, UK and by the National Natural Science Foundation, China under Grant 5141101208

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N2 - High speed permanent magnet synchronous machines (PMSMs) have attracted much attention due to their high power density, high efficiency, and compact size for direct-drive applications. However, the consequent power loss density is high and heat transfer is also deemed as a technical challenge. This is particularly the case for high-speed operation. In this paper, electromagnetic and mechanical power losses in a MW level high speed PMSM is comprehensively investigated by finite element analysis; the transient machine demagnetization performance is studied with the proposed rotor composite structure to improve the machine anti-demagnetization capability; the temperature distribution of the high speed PMSM is also analyzed by a fluid-thermal coupling method with calculated power loss. The high speed PMSM is prototyped and experimentally tested to validate the effectiveness of numerical models and calculated results.

AB - High speed permanent magnet synchronous machines (PMSMs) have attracted much attention due to their high power density, high efficiency, and compact size for direct-drive applications. However, the consequent power loss density is high and heat transfer is also deemed as a technical challenge. This is particularly the case for high-speed operation. In this paper, electromagnetic and mechanical power losses in a MW level high speed PMSM is comprehensively investigated by finite element analysis; the transient machine demagnetization performance is studied with the proposed rotor composite structure to improve the machine anti-demagnetization capability; the temperature distribution of the high speed PMSM is also analyzed by a fluid-thermal coupling method with calculated power loss. The high speed PMSM is prototyped and experimentally tested to validate the effectiveness of numerical models and calculated results.

KW - Demagnetization

KW - finite element method

KW - High speed PM machine

KW - magnetic field

KW - power loss

KW - thermal analysis

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ER -

Power Loss and Thermal Analysis of a MW High Speed Permanent Magnet Synchronous Machine

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