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Design Method for Variable Frequency Brushless Synchronous Generators

Author

Listed:
  • Yongjie Wang

    (Center for More-Electic-Aircraft Power Systems, Nanjing University of Aeronautics and Astronautics, Nanjing 211006, China)

  • Huizhen Wang

    (Center for More-Electic-Aircraft Power Systems, Nanjing University of Aeronautics and Astronautics, Nanjing 211006, China)

  • Weifeng Liu

    (Center for More-Electic-Aircraft Power Systems, Nanjing University of Aeronautics and Astronautics, Nanjing 211006, China)

  • Qin Wang

    (Center for More-Electic-Aircraft Power Systems, Nanjing University of Aeronautics and Astronautics, Nanjing 211006, China)

  • Xing Zhao

    (Department of Electronic Engineering, University of York, York YO10 5DD, UK)

Abstract

Brushless synchronous generators, which have the structure of three-stage generators to realize brushless excitation, are the most commonly used aero-generators. With the development of more electric aircraft technology, the output frequency of aero-generators is changing from constant to variable, and the characteristics of generators are also changed. To make sure that the generators can be adapted to the variable frequency operation, this paper analyzes the effects of different operating conditions on generator performance and proposes corresponding design methods. The design and verification of the electromagnetic field, fluid field, temperature field and stress field are carried out for the variable frequency generator. A prototype generator is manufactured according to the design results. An experimental platform is set up to test the performances of the designed generator. The final experimental results show that the generator can work well in variable frequency generation systems, which proves the design method proposed in this paper is effective and feasible.

Suggested Citation

  • Yongjie Wang & Huizhen Wang & Weifeng Liu & Qin Wang & Xing Zhao, 2022. "Design Method for Variable Frequency Brushless Synchronous Generators," Energies, MDPI, vol. 15(8), pages 1-20, April.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:8:p:2786-:d:791052
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    References listed on IDEAS

    as
    1. Yongjie Wang & Huizhen Wang & Weifeng Liu & Qin Wang, 2021. "A Novel Fuzzy PI Control Method for Variable Frequency Brushless Synchronous Generators," Energies, MDPI, vol. 14(23), pages 1-19, November.
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