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A Study on the Rotor Design of Line Start Synchronous Reluctance Motor for IE4 Efficiency and Improving Power Factor

Author

Listed:
  • Hyunwoo Kim

    (Department of Electrical Engineering, Hanyang University, Seoul 04763, Korea)

  • Yeji Park

    (Department of Electrical Engineering, Hanyang University, Seoul 04763, Korea)

  • Seung-Taek Oh

    (Department of Electrical Engineering, Hanyang University, Seoul 04763, Korea)

  • Hyungkwan Jang

    (Department of Electrical Engineering, Hanyang University, Seoul 04763, Korea)

  • Sung-Hong Won

    (Department of Electrical Engineering, Dongyang Mirae University, Seoul 08221, Korea)

  • Yon-Do Chun

    (Electric Machines and Drives Research Center, Korea Electrotechnology Research Institute, Changwon 51543, Korea)

  • Ju Lee

    (Department of Electrical Engineering, Hanyang University, Seoul 04763, Korea)

Abstract

As international regulations of motor efficiency are strengthened, the line-start synchronous reluctance motor (LS-SynRM) is being studied to improve the efficiency of the electrical motor in industrial applications. However, in industrial applications, the power factor is also an important performance index, but the LS-SynRM has poor power factor due to the saliency characteristic. In this paper, the rotor design of LS-SynRM is performed to improve the efficiency and power factor. First, the barrier design is performed to improve the efficiency and power factor using the response surface method (RSM). Second, the rotor slot design is performed according to the length of bar for synchronization. Lastly, the rib design is performed to satisfy the power factor and the mechanical reliability. The final model through the design process is analyzed using finite element analysis (FEA), and the objective performance is satisfied. To verify the FEA result, the final model is manufactured, and experiment is performed.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:21:p:5774-:d:439820
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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. Pavol Rafajdus & Valeria Hrabovcova & Pavel Lehocky & Pavol Makys & Filip Holub, 2018. "Effect of Saturation on Field Oriented Control of the New Designed Reluctance Synchronous Motor," Energies, MDPI, vol. 11(11), pages 1-10, November.
    3. Vadim Kazakbaev & Vladimir Prakht & Vladimir Dmitrievskii & Safarbek Oshurbekov & Dmitry Golovanov, 2020. "Life Cycle Energy Cost Assessment for Pump Units with Various Types of Line-Start Operating Motors Including Cable Losses," Energies, MDPI, vol. 13(14), pages 1-15, July.
    4. Nezih Gokhan Ozcelik & Ugur Emre Dogru & Murat Imeryuz & Lale T. Ergene, 2019. "Synchronous Reluctance Motor vs. Induction Motor at Low-Power Industrial Applications: Design and Comparison," Energies, MDPI, vol. 12(11), pages 1-20, June.
    5. Vadim Kazakbaev & Vladimir Prakht & Vladimir Dmitrievskii & Mohamed N. Ibrahim & Safarbek Oshurbekov & Sergey Sarapulov, 2019. "Efficiency Analysis of Low Electric Power Drives Employing Induction and Synchronous Reluctance Motors in Pump Applications," Energies, MDPI, vol. 12(6), pages 1-23, March.
    6. Ying Xie & Cheng Pi & Zhiwei Li, 2019. "Study on Design and Vibration Reduction Optimization of High Starting Torque Induction Motor," Energies, MDPI, vol. 12(7), pages 1-15, April.
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    Cited by:

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    3. Jonathan Muñoz Tabora & Maria Emília de Lima Tostes & Edson Ortiz de Matos & Thiago Mota Soares & Ubiratan Holanda Bezerra, 2020. "Voltage Harmonic Impacts on Electric Motors: A Comparison between IE2, IE3 and IE4 Induction Motor Classes," Energies, MDPI, vol. 13(13), pages 1-18, June.

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