電動車永磁馬達熱傳數值模擬及其散熱系統分析改良研究

李孟杰

doi:10.6841/NTUT.2014.00092

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電動車永磁馬達熱傳數值模擬及其散熱系統分析改良研究

Research on the Effects of Heat Transfer Numerical Simulation on the Permanent Magnet of Electric Vehicle and the Improvement of Heat Dissipation System

李孟杰 , Masters　　Advisor：吳浴沂　　

繁體中文 DOI： 10.6841/NTUT.2014.00092

計算流體力學；馬達熱傳；田口實驗方法；鰭片散熱； Computational Fluid Dynamic ； Motor Heat Transfer ； Taguchi Method ； Cooling Fins

Abstract │ Reference (58) │ Altmetrics

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Energy consumption and air pollution are the issues which been discussed in recent years, the development of electric vehicles is regarded as the key to solve this problem, but to coMPare with traditional motor, the elect motor need more power and lower volume and to meet these requirements the problem "heat dissipation" show up. The purposes of this research are to establish a permanent magnet motor thermal model and an improvement for the cooling system. In the research will use the computational fluid dynamic(CFD) instead of heat resistance of the physical modeling due to numerous internal components and itself complex geometry of permanent magnet motors. The CFD is to discrete the model to several regions and these regions are mold by elements and nodes then to use the appropriate algorithm for the result. This research of the motor thermal model especially regard to the reflection of the heat transfer in motor's air-gap and the contact heat resistance between stator and shell then insert the result to the motor thermal model. The result of flowfield analysis found that it’s not easy to do the heat dissipation on original motor due to the fin type and it got better outcome when change to flat fin type which experiment via Taguchi experiment method. By this way it can substantially decreases the temperature.

Reference ( 58 ) 〈TOP〉

6. Chunting Mi, Gordon R. Slemon, and Richard Bonert, “Modeling of Iron Losses of Permanent-Magnet Synchronous Motors,” IEEE Transactions On Industry Applications, Vol. 39, No. 3, May/June 2003.
連結：
7. Katsumi Yamazaki, Yu Fukushima, and Makoto Sato Dept, “Loss Analysis of Permanent Magnet Motors with Concentrated Windings-Variation of Magnet Eddy Current Loss Due to Stator and Rotor Shapes, ” Electronics and Computer Engineering Chiba Institute of Technology Narashino, Japan.
連結：
8. Katsumi Yamazaki, and Yoshiaki Seto, “Iron Loss Analysis of Interior Permanent-Magnet Synchronous Motors- Variation of Main Loss Factors Due to Driving Condition,” Ieee Transactions On Industry Applications, Vol. 42, No. 4, July/August 2006.
連結：
10. William R. Finley, and Mark M. Hodowanec, “Selection of Copper vs. Aluminum Rotors for Induction Motors,” Copyright material IEEE, Paper No. PCIC-2000-19.
連結：
11. Gareth Gilson, Dr. SJ Pickering, Dr. DB Hann, and Dr. C. Gerada, “Analysis of the End Winding Heat Transfer variation with Altitude in Electric Motors,” 2009 IEEE, 978-1-4244-4649-0/09/.
連結：

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