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Influence of Single/Dual Ventilation Path on Fluid Field and Temperature Field of HVLSSR-PMSM with Air-Cooled Hybrid Ventilation Systems

Author

Listed:
  • Zhaobin Cao

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

  • Weili Li

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

  • Xiaochen Zhang

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

  • Yu Fan

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

  • Jianjun Zeng

    (School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China
    School of Electrical and Automation Engineering, East China Jiaotong University, Nanchang 330013, China)

Abstract

Due to the solid rotor structure, High-Voltage Line-Start Solid Rotor Permanent Magnet Synchronous Motor (HVLSSR-PMSM) operates with high rotor temperature rise. If the ventilation path cannot take the rotor heat away in time, the rotor will overheat or even may led to the thermal demagnetization for permanent magnet. Therefore, it is of great significance to study the thermal issues of HVLSSR-PMSM. In the paper, the fluid field and temperature field of a 315 kW, 6 kV HVLSSR-PMSM with air-cooled hybrid ventilation systems are investigated. Firstly, the electromagnetic analysis of the machine is done by using the finite-element method, the loss distributions then are obtained, which will be assigned as the heat source for thermal analysis. Then, the three -dimensional (3-D) fluid thermal coupled mathematical model for thermal analysis of HVLSSR-PMSM is established. The temperature field and the fluid flowing state of HVLSSR-PMSM with single ventilation path air-cooled system are investigated by using the established 3D fluid thermal coupled mathematical model. A dual ventilation path air-cooled system for HVLSSR-PMSM is proposed to reduce the operating temperature rise. Then, the temperature field and fluid field of HVLSSR-PMSM with dual ventilation system are analyzed by comparing with single ventilation system. Moreover, the temperature experiments are carried out on the machine with dual ventilation system to validate the accuracy of the established mathematical models. The results show that the proposed dual ventilation path air-cooled system can effectively improve the thermal distribution of HVLSSR-PMSM, whilst it can also reduce the working temperature rise of the machine.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:6:p:1343-:d:148942
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    References listed on IDEAS

    as
    1. Zhaobin Cao & Weili Li & Jinyang Li & Xiaochen Zhang & Dong Li & Meiwei Zhang, 2017. "Research on the Temperature Field of High-Voltage High Power Line Start Permanent Magnet Synchronous Machines with Different Rotor Cage Structure," Energies, MDPI, vol. 10(11), pages 1-14, November.
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    Cited by:

    1. Minghan Ma & Yonggang Li & Yucai Wu & Chenchen Dong, 2018. "Multifield Calculation and Analysis of Excitation Winding Interturn Short Circuit Fault in Turbo-Generator," Energies, MDPI, vol. 11(10), pages 1-16, October.
    2. Shun Li & Xinxiu Zhou, 2018. "Sensorless Energy Conservation Control for Permanent Magnet Synchronous Motors Based on a Novel Hybrid Observer Applied in Coal Conveyer Systems," Energies, MDPI, vol. 11(10), pages 1-23, September.
    3. 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.

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