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Research of the Fundamental Wave of Wound-Rotor Brushless Doubly-Fed Machine

Author

Listed:
  • Zhenming Li

    (State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei Province, China)

  • Xuefan Wang

    (State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei Province, China
    East Group Co., Ltd., Dongguan 523808, Guangdong Province, China)

  • Lezhi Ou

    (Electric Power Research Institute of State Grid Hunan Electrical Power Corporation, Changsha 410007, Hunan Province, China)

  • Xinmai Gao

    (State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei Province, China)

  • Fei Xiong

    (State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, Hubei Province, China)

Abstract

The brushless doubly-fed machine (BDFM) is a special type of machine with two sets of stator windings and one set of rotor winding. The magnetic field of the BDFM is considered to be complex with no regularity. To study the principles of magnetic fields for the BDFM, a general expression of the fundamental wave is deduced, which shows that the fundamental wave can be regarded as a standing wave when it is observed from rotor reference; also, some discussions about the characteristics of the fundamental wave are presented in the paper. Next, a model of wound-rotor BDFM prototype is established, and the enveloping line and the relations between rotor position and its electrical angle of the magnetic field are figured out in the paper. Finally, after detecting the induced electromotive force (EMF) of measurement coils embedded in the corresponding prototype machine, the validity of the proposed conclusions is verified.

Suggested Citation

  • Zhenming Li & Xuefan Wang & Lezhi Ou & Xinmai Gao & Fei Xiong, 2019. "Research of the Fundamental Wave of Wound-Rotor Brushless Doubly-Fed Machine," Energies, MDPI, vol. 12(6), pages 1-14, March.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:6:p:1172-:d:217332
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    References listed on IDEAS

    as
    1. Chaoying Xia & Xiaoxin Hou & Feng Chen, 2018. "Flux-Angle-Difference Feedback Control for the Brushless Doubly Fed Machine," Energies, MDPI, vol. 11(1), pages 1-16, January.
    2. Mei Su & Weiyu Jin & Guanguan Zhang & Weiyi Tang & Frede Blaabjerg, 2018. "Internal Model Current Control of Brushless Doubly Fed Induction Machines," Energies, MDPI, vol. 11(7), pages 1-19, July.
    3. Chaoying Xia & Xiaoxin Hou, 2016. "Study on the Static Load Capacity and Synthetic Vector Direct Torque Control of Brushless Doubly Fed Machines," Energies, MDPI, vol. 9(11), pages 1-22, November.
    Full references (including those not matched with items on IDEAS)

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