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Research on the Mechanism of Thermal Power of an Interior Permanent Magnet Eddy Current Heater Driven by Wind

Author

Listed:
  • Honglei Lu

    (School of Energy and Power Engineering, Northeast Electric Power University, Jilin 132000, China)

  • Wenpeng Hong

    (School of Energy and Power Engineering, Northeast Electric Power University, Jilin 132000, China)

Abstract

The interior permanent magnet eddy current heater (IPMECH) is a new type of energy conversion device with zero emissions, no pollution, and high efficiency, which has attracted widespread attention. In this paper, a combined numerical simulation and experimental method is used to study the effect of stator structure on the magnetic flux density (MFD) distribution and thermal power of an IPMECH, and the mechanism of thermal power enhancement is revealed. The article aims to provide theoretical and practical support for heater thermal power enhancement. The results show that compared with a solid IPMECH, both closed-slot and open-slot IPMECHs can improve the stator MFD and thermal power, and the stator static MFD amplitudes of closed-slot and open-slot IPMECHs with 16 3 mm copper strips are 1.340 and 1.607 T, respectively. The thermal power growth rate (TPGR) and electromagnetic torque growth rate (ETGR) of the closed-slot IPMECH with 16 3 mm copper strips at 200 rpm are 80.46% and 78.22% respectively, while those of the open-slot IPMECH are 119.10% and 117.17%, respectively. At 200 rpm, the TPGRs of the closed-slot and open-slot prototype with sixteen copper strips are 35.24% and 61.09%, respectively. The experimental results verify the accuracy and reliability of the simulation results. The research work in this paper provides theoretical support and practical proof for further IPMECH optimization.

Suggested Citation

  • Honglei Lu & Wenpeng Hong, 2025. "Research on the Mechanism of Thermal Power of an Interior Permanent Magnet Eddy Current Heater Driven by Wind," Energies, MDPI, vol. 18(4), pages 1-31, February.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:4:p:932-:d:1591785
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