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Research on Electromagnetic Field, Eddy Current Loss and Heat Transfer in the End Region of Synchronous Condenser with Different End Structures and Material Properties

Author

Listed:
  • Xiaoshuai Bi

    (National Engineering Research Center of Large Electric Machines and Heat Transfer Technology, Harbin University of Science and Technology, Harbin 150080, China)

  • Likun Wang

    (National Engineering Research Center of Large Electric Machines and Heat Transfer Technology, Harbin University of Science and Technology, Harbin 150080, China)

  • Fabrizio Marignetti

    (DIEI, Department of Electrical and Information Engineering, The University of Cassino and South Lazio, 03043 Cassino, Italy)

  • Minghao Zhou

    (National Engineering Research Center of Large Electric Machines and Heat Transfer Technology, Harbin University of Science and Technology, Harbin 150080, China)

Abstract

Aiming at the problem of end structure heating caused by the excessive eddy current loss of large synchronous condensers used in ultra-high voltage (UHV) power transmission, combined with the actual operation characteristics of the synchronous condenser, a three-dimensional transient electromagnetic field physical model is established, and three schemes for adjusting the end structure of the condenser under rated condition are researched. The original structure has a copper shield and a steel clamping plate. Scheme 1 has no copper shield but has a steel clamping plate. Scheme 2 has no copper shield but has an aluminum clamping plate. By constructing a three-dimensional fluid–solid coupling heat transfer model in the end of the synchronous condenser, and giving the basic assumptions and boundary conditions, the eddy current loss of the structure calculated by the three schemes is applied to the end region of the synchronous condenser as the heat source, and the velocity distribution of the cooling medium and the temperature distribution of each structure under the three different schemes are obtained. In order to verify the rationality of the numerical analysis model and the effectiveness of the calculation method, the temperature of the inner edge of the copper shield in the end of the synchronous condenser is measured, and the temperature calculation results are consistent with the temperature measurement results, which provides a theoretical basis for the electromagnetic design, structural optimization, ventilation and cooling of the synchronous condenser.

Suggested Citation

  • Xiaoshuai Bi & Likun Wang & Fabrizio Marignetti & Minghao Zhou, 2021. "Research on Electromagnetic Field, Eddy Current Loss and Heat Transfer in the End Region of Synchronous Condenser with Different End Structures and Material Properties," Energies, MDPI, vol. 14(15), pages 1-15, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:15:p:4636-:d:605634
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    References listed on IDEAS

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    1. Adam Gozdowiak, 2020. "Faulty Synchronization of Salient Pole Synchronous Hydro Generator," Energies, MDPI, vol. 13(20), pages 1-21, October.
    2. Dajun Tao & Kai Liang Zhou & Fei Lv & Qingpeng Dou & Jianxiao Wu & Yutian Sun & Jibin Zou, 2020. "Magnetic Field Characteristics and Stator Core Losses of High-Speed Permanent Magnet Synchronous Motors," Energies, MDPI, vol. 13(3), pages 1-15, January.
    3. Zeyang Fan & Hong Yi & Jian Xu & Kun Xie & Yue Qi & Sailin Ren & Hongdong Wang, 2021. "Performance Study and Optimization Design of High-Speed Amorphous Alloy Induction Motor," Energies, MDPI, vol. 14(9), pages 1-19, April.
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    Cited by:

    1. Likun Wang & Yutian Sun & Baoquan Kou & Xiaoshuai Bi & Hai Guo & Fabrizio Marignetti & Huibo Zhang, 2021. "Prediction of Electromagnetic Characteristics in Stator End Parts of a Turbo-Generator Based on MLP and SVR," Energies, MDPI, vol. 14(18), pages 1-14, September.
    2. Ryszard Palka & Marcin Wardach, 2022. "Design and Application of Electrical Machines," Energies, MDPI, vol. 15(2), pages 1-7, January.

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