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Influence of the Variable Cross-Section Stator Ventilation Structure on the Temperature of an Induction Motor

Author

Listed:
  • Junci Cao

    (School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China)

  • Hua Yan

    (School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China)

  • Dong Li

    (School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China)

  • Yu Wang

    (School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China)

  • Weili Li

    (School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China)

Abstract

The performance of an induction motor, a core component of the high-speed train, is of critical importance to the safety of the train. As a result of limited space in the train and the motor’s high-power density, motor heating poses a grave threat to its service life and operational safety. In this study, a 600-kW high-speed train induction motor model was established and its temperature field calculated by the finite volume method. To optimize the heat dissipation and further reduce the motor temperature rise, a variable cross-section stator ventilation hole was proposed and its influence on the wind velocity and temperature rise comprehensively studied. After comparing the cooling effect of the linear and nonlinear variable cross-section of the ventilation hole, the influence of the cross-sectional diameter and the radial position of the ventilation hole on the temperature rise was explored. Finally, the most favorable scheme for motor heat dissipation was determined.

Suggested Citation

  • Junci Cao & Hua Yan & Dong Li & Yu Wang & Weili Li, 2021. "Influence of the Variable Cross-Section Stator Ventilation Structure on the Temperature of an Induction Motor," Energies, MDPI, vol. 14(17), pages 1-17, August.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:17:p:5249-:d:621398
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    References listed on IDEAS

    as
    1. Hai Guo & Qun Ding & Yifan Song & Haoran Tang & Likun Wang & Jingying Zhao, 2020. "Predicting Temperature of Permanent Magnet Synchronous Motor Based on Deep Neural Network," Energies, MDPI, vol. 13(18), pages 1-14, September.
    2. Dong Li & Yinghong Wen & Weili Li & Bo Feng & Junci Cao, 2018. "Three-Dimensional Temperature Field Calculation and Analysis of an Axial-Radial Flux-Type Permanent Magnet Synchronous Motor," Energies, MDPI, vol. 11(5), pages 1-21, May.
    3. Ruiye Li & Peng Cheng & Hai Lan & Weili Li & David Gerada & Yingyi Hong, 2021. "Stator Non-Uniform Radial Ventilation Design Methodology for a 15 MW Turbo-Synchronous Generator Based on Single Ventilation Duct Subsystem," Energies, MDPI, vol. 14(10), pages 1-20, May.
    4. Zhaobin Cao & Weili Li & Xiaochen Zhang & Yu Fan & Jianjun Zeng, 2018. "Influence of Single/Dual Ventilation Path on Fluid Field and Temperature Field of HVLSSR-PMSM with Air-Cooled Hybrid Ventilation Systems," Energies, MDPI, vol. 11(6), pages 1-15, May.
    Full references (including those not matched with items on IDEAS)

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