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http://dx.doi.org/10.5370/KIEE.2012.61.4.555

A Study for Improving a Thermal Performance of Liquid Cooled Permanent Magnet Synchronous Machine with Concentrated Winding  

Kang, Kyong-Ho (현대로템 기술연구소 전자연구팀)
Ahn, Su-Hong (현대로템 기술연구소 응용기술연구팀)
Yoon, Young-Duk (현대로템 기술연구소 전자연구팀)
Yu, Suk-Jin (현대로템 기술연구소 전자연구팀)
Ahn, Hyo-Chul (현대로템 기술연구소 전자연구팀)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.61, no.4, 2012 , pp. 555-566 More about this Journal
Abstract
This paper presents a thermal analysis of an interior PM synchronous machine with concentrated winding for electric vehicle. The conventional thermal equivalent network model has been used for a long time for calculation of the temperature rises in electrical machines. In spite of being popular, this method can not be applied correctly for elements with complicated cooling structure like liquid cooled housing. To overcome this drawbacks, in this paper, a hybrid thermal model using the result of CFD analysis partly. Using this method, to improve a thermal performance of PMSM with concentrated winding, the effects of two design parameters are analysed. Finally, the accuracy of this model has been verified by experiments for the developed 21kW motor.
Keywords
Concentrated winding; PMSM; Liquid cooling; Thermal analysis;
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