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Numerical Simulation on Electromagnetic Energy Harvester Oscillated by Speed Ripple of AC Motors

Author

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  • Masayuki Kato

    (Department of Electrical and Electronics Systems, Faculty of Engineering, Ibaraki University, Hitachi 3168511, Japan)

Abstract

The suppression of torque ripples in an interior permanent magnet synchronous motor (IPMSM) is essential to improve its efficiency and responsiveness. Here, we report on the development of an electromagnetic energy harvester incorporated into an IPMSM to suppress its torque ripples. The proposed harvester is driven to oscillations by the speed ripple of the AC motor. We derived the motion and circuit equations for the motor and the harvester according to Euler–Lagrange equations. We discussed the principle of electrical power generation and used MATLAB/Simulink numerical simulations to investigate the dynamic behavior of the proposed harvester. Our findings revealed that the active Coriolis force unnecessarily reduces the motor’s original torque, leading to unsuccessful power generation. Nevertheless, our results demonstrated that the reactive Coriolis force successfully suppresses the motor torque ripple.

Suggested Citation

  • Masayuki Kato, 2023. "Numerical Simulation on Electromagnetic Energy Harvester Oscillated by Speed Ripple of AC Motors," Energies, MDPI, vol. 16(2), pages 1-11, January.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:2:p:940-:d:1035619
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    References listed on IDEAS

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    1. Benjamin Ducharne & Bhaawan Gupta & Grzegorz Litak, 2019. "Simulation of Synchronized-Switching Method Energy Harvester Including Accurate Piezoceramic Nonlinear Behavior," Energies, MDPI, vol. 12(23), pages 1-12, November.
    2. Kaiyuan Zhao & Qichang Zhang & Wei Wang, 2019. "Optimization of Galloping Piezoelectric Energy Harvester with V-Shaped Groove in Low Wind Speed," Energies, MDPI, vol. 12(24), pages 1-18, December.
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