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AC-Chopper-Based Inrush Current Suppressor in a Wind Power Generation System with Squirrel-Cage Induction Machines

Author

Listed:
  • Sho Shibata

    (Graduate School of Science and Engineering, Yamaguchi University, 2-16-1, Tokiwadai Ube City 755-8611, Japan
    These authors contributed equally to this work.)

  • Hiroaki Yamada

    (Graduate School of Science and Engineering, Yamaguchi University, 2-16-1, Tokiwadai Ube City 755-8611, Japan)

  • Toshihiko Tanaka

    (Graduate School of Science and Engineering, Yamaguchi University, 2-16-1, Tokiwadai Ube City 755-8611, Japan
    These authors contributed equally to this work.)

  • Masayuki Okamoto

    (Department of Electrical Engineering, National Institute of Technology, Ube College, 2-14-1, Tokiwadai Ube City 755-8555, Japan
    These authors contributed equally to this work.)

Abstract

This paper proposes the inrush current suppressor using an AC chopper in a large-capacity wind power generation system (WPGS) with two squirrel-cage induction machines (SCIMs), which are switched over depending on the wind speed. The input side of the AC chopper is connected to the source in parallel. The output side of the AC chopper is connected in series with the SCIM through matching transformers. In the proposed inrush current suppressor, the output voltage of the AC chopper is the same as the receiving-end voltage before connecting the SCIM. By gradually decreasing the output voltage of the AC chopper, the applied voltage of the SCIM is gradually increased without the inrush current. The basic principle of the proposed inrush current suppressor is discussed in detail. A computer simulation is implemented to confirm the validity and practicability of the proposed inrush current suppressor using a power system computer-aided design/electromagnetic transients including DC (PSCAD/EMTDC). Simulation results demonstrate that the proposed inrush current suppressor can suppress the inrush current.

Suggested Citation

  • Sho Shibata & Hiroaki Yamada & Toshihiko Tanaka & Masayuki Okamoto, 2018. "AC-Chopper-Based Inrush Current Suppressor in a Wind Power Generation System with Squirrel-Cage Induction Machines," Energies, MDPI, vol. 11(2), pages 1-14, February.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:2:p:397-:d:130943
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    References listed on IDEAS

    as
    1. Sho Shibata & Hiroaki Yamada & Toshihiko Tanaka & Masayuki Okamoto, 2016. "Reduced-Capacity Inrush Current Suppressor Using a Matrix Converter in a Wind Power Generation System with Squirrel-Cage Induction Machines," Energies, MDPI, vol. 9(3), pages 1-17, March.
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    Cited by:

    1. P. Sathishkumar & T. N. V. Krishna & Himanshu & Muhammad Adil Khan & Kamran Zeb & Hee-Je Kim, 2018. "Digital Soft Start Implementation for Minimizing Start Up Transients in High Power DAB-IBDC Converter," Energies, MDPI, vol. 11(4), pages 1-18, April.

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