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Parametric Study of Eddy Current Brakes for Small-Scale Household Wind Turbine Systems

Author

Listed:
  • Huiseop Jeong

    (Korea Electric Power Research Institute (KEPRI), Busan 34056, Korea)

  • Hoseong Ji

    (MEMS Technology Centre, Pusan National University, Busan 46241, Korea)

  • Sanghyun Choi

    (School of Railroad Engineering, Korean National University of Transportation, Chungju 27469, Korea)

  • Joonho Baek

    (Department of Engineering Research, ESCO RTS, Seoul 06134, Korea)

Abstract

The design and application of eddy current brakes (ECBs) should be simple; further, ECBs should be used semi-permanently. This study aimed to determine major parameters for designing an ECB that can be applied to a small-scale wind turbine generator. To this end, an ECB was developed that could actuate without additional power, thus improving the efficiency of the generator. A series of simulations were conducted for a parametric study to pre-design ECBs suitable for small wind turbines. The six parameters chosen were disk thickness, number of magnets, radial location of magnets from center of disk, magnet pole arrangement, magnetic flux density, and rotational speed. The simulations were conducted on COMSOL Multiphysics. The results indicated that the number of magnets and magnet pole arrangements can significantly affect the performance curve of ECBs. Moreover, the disk thickness and rotational speed are linearly proportional to the braking torque.

Suggested Citation

  • Huiseop Jeong & Hoseong Ji & Sanghyun Choi & Joonho Baek, 2021. "Parametric Study of Eddy Current Brakes for Small-Scale Household Wind Turbine Systems," Energies, MDPI, vol. 14(20), pages 1-9, October.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:20:p:6633-:d:655818
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    Cited by:

    1. Mehmet Onur Gulbahce, 2023. "Neuromodel of an Eddy Current Brake for Load Emulation," Energies, MDPI, vol. 16(9), pages 1-14, April.

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