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Proposed Commutation Method for Performance Improvement of Brushless DC Motor

Author

Listed:
  • Chang-Sung Jin

    (Department of Electrical Engineering, Wonkwang University, Iksan 54538, Korea)

  • Chang-Min Kim

    (Department of Electrical Engineering, Wonkwang University, Iksan 54538, Korea)

  • In-Jin Kim

    (Department of Electrical Engineering, Wonkwang University, Iksan 54538, Korea)

  • Iksang Jang

    (Electric Powertrain Core Technology Team, Hyundai Mobis, Yongin 16891, Korea)

Abstract

This study focused on the efficiency improvement and acoustic noise reduction of brushless DC (BLDC) motors by reducing current harmonics using a novel BLDC commutation method. To achieve these goals, we designed an improved 150° commutation method for a three-phase permanent magnet BLDC motor that can improve the current waveform. Although the 120° commutation method is generally employed for BLDC motors, an improved 150° commutation method is introduced to operate the BLDC with increased efficiency and acoustic noise similar to a brushless AC motor. This study investigated the attributes of various commutation methods, both theoretically and experimentally, to determine the optimal commutation method. The results of this study indicate that the improved 150° commutation method is optimal in terms of harmonic attributes and reduced torque ripple, allowing it to improve motor efficiency and reduce acoustic noise.

Suggested Citation

  • Chang-Sung Jin & Chang-Min Kim & In-Jin Kim & Iksang Jang, 2021. "Proposed Commutation Method for Performance Improvement of Brushless DC Motor," Energies, MDPI, vol. 14(19), pages 1-16, September.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:19:p:6023-:d:640474
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    References listed on IDEAS

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    1. Hyunwoo Kim & Yeji Park & Huai-Cong Liu & Pil-Wan Han & Ju Lee, 2020. "Study on Line-Start Permanent Magnet Assistance Synchronous Reluctance Motor for Improving Efficiency and Power Factor," Energies, MDPI, vol. 13(2), pages 1-15, January.
    2. Hyunwoo Kim & Yeji Park & Seung-Taek Oh & Hyungkwan Jang & Sung-Hong Won & Yon-Do Chun & Ju Lee, 2020. "A Study on the Rotor Design of Line Start Synchronous Reluctance Motor for IE4 Efficiency and Improving Power Factor," Energies, MDPI, vol. 13(21), pages 1-15, November.
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    Cited by:

    1. Giuseppe De Lorenzo & Francesco Piraino & Francesco Longo & Giovanni Tinè & Valeria Boscaino & Nicola Panzavecchia & Massimo Caccia & Petronilla Fragiacomo, 2022. "Modelling and Performance Analysis of an Autonomous Marine Vehicle Powered by a Fuel Cell Hybrid Powertrain," Energies, MDPI, vol. 15(19), pages 1-21, September.

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