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Finite Element Analysis of Temperature Field of Traction Motor

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Abstract:

Due to the fact of immeasurable inner temperature of inverter-fed traction motor, three-dimension finite element model of part of rotor iron core and half a rotor bearing were established. The convective heat transfer coefficient between the air gap of motor and rotor surface were calculated by the heat transfer and fluid mechanics theory. The influence of temperature rise on the stator and rotor resistance was considered for thermal loss calculation. The influence of the end of stator and rotor on axial temperature distribution was also taken into account. Then three-dimensional transient temperature field of the motor was simulated at the rated load. Temperature field with different loads was also computed. The aim has been to optimize the design with respect to the transient stresses. According to contrastive analysis compared with other method, it demonstrated the accuracy of simulation model and thermal field calculation results.

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Periodical:

Applied Mechanics and Materials (Volume 189)

Pages:

461-464

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.189.461

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Online since:

July 2012

Authors:

An Xing Zhu, Zhi Xiong Yang, Yi Cui

Keywords:

Finite Element Analysis (FEA), Temperature Field, Traction Motor

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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References

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