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Mathematical Model Derivation and Experimental Verification of Novel Consequent-Pole Adjustable Speed PM Motor

Author

Listed:
  • Akihisa Hattori

    (Graduate School of Science and Technology, Shizuoka University, Hamamatsu 432-8561, Japan
    Environment Neutral System Development Divison, DENSO CORPORATION, Kariya 448-8661, Japan)

  • Toshihiko Noguchi

    (Graduate School of Science and Technology, Shizuoka University, Hamamatsu 432-8561, Japan)

  • Kazuhiro Murakami

    (Energy Management Group, DENSO CORPORATION, Kariya 448-8661, Japan)

Abstract

This paper proposes a novel consequent-pole-type PM motor having a structure different from that of conventional consequent-pole-type PM motors. The proposed rotor structure is composed of a magnetic pole pair using a permanent magnet and an image-pole pair using a high permeability core. The windings facing the magnetic pole pair and the image-pole pair are connected in series in the rotor structure, the three-phase synchronous impedance is balanced, and the d -axis inductance is increased. Therefore, compared with the conventional consequent-pole type, the field weakening operation can be performed efficiently with a lower d -axis current. These advantages make it possible to expand the operating range during field weakening. Furthermore, to fix the driving control method of the proposed consequent-pole PM motor, the voltage equation of the proposed motor is derived and verified by analysis and experiment. In addition, the essential characteristics of the proposed motor were compared with that of a standard surface permanent magnet (SPM) motor and a conventional consequent-pole PM motor.

Suggested Citation

  • Akihisa Hattori & Toshihiko Noguchi & Kazuhiro Murakami, 2022. "Mathematical Model Derivation and Experimental Verification of Novel Consequent-Pole Adjustable Speed PM Motor," Energies, MDPI, vol. 15(17), pages 1-25, August.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:17:p:6147-:d:896480
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    References listed on IDEAS

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    1. Zhiyan Zhang & Ming Zhang & Jing Yin & Jie Wu & Cunxiang Yang, 2022. "An Analytical Method for Calculating the Cogging Torque of a Consequent Pole Hybrid Excitation Synchronous Machine Based on Spatial 3D Field Simplification," Energies, MDPI, vol. 15(3), pages 1-13, January.
    2. Dong-Kyu Lee & Jong-Suk Ro, 2020. "Analysis and Design of a High-Performance Traction Motor for Heavy-Duty Vehicles," Energies, MDPI, vol. 13(12), pages 1-14, June.
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    Cited by:

    1. Si-Woo Song & Min-Ki Hong & Ju Lee & Won-Ho Kim, 2022. "A Study on Reduction of Cogging Torque and Magnet Usage through Intersect Magnet Consequent Pole Structure," Energies, MDPI, vol. 15(23), pages 1-10, December.

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