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Novel Multi-Physics Computational Simulation of a 10 kW Permanent Magnet Motor for Podded Propulsion

Author

Listed:
  • Jang-Hyun Park

    (Electric Energy Conversion Engineering, University of Science and Technology, Changwon 51543, Korea
    Electric Machine and Drive System Research Center, Korea Electrotechnology Research Institute, Changwon 51543, Korea)

  • Tae-Woo Lee

    (Electric Machine and Drive System Research Center, Korea Electrotechnology Research Institute, Changwon 51543, Korea)

  • Yeon-Ho Jeong

    (Electric Machine and Drive System Research Center, Korea Electrotechnology Research Institute, Changwon 51543, Korea)

  • Do-Kwan Hong

    (Electric Energy Conversion Engineering, University of Science and Technology, Changwon 51543, Korea
    Electric Machine and Drive System Research Center, Korea Electrotechnology Research Institute, Changwon 51543, Korea)

Abstract

This paper presents a 10 kW, 12-slot 10-pole surface-mounted permanent magnet synchronous motor (SPMSM) design with fractional-slot concentrated winding for a podded propulsion system. Its load is a propeller that is proportional to the square of the rotational speed and the fifth power of the propeller diameter. Taking this into account, three SPMSMs with rated rotational speeds of 600, 1200, and 1800 rpm with the same rated output power of 10 kW were analyzed. These were designed under the same conditions (i.e., torque per rotor volume, air-gap length, current density, power factor, fill-factor, and supply voltage). Based on the SPMSMs designed by electromagnetic analysis, the housing of a podded propulsor for each SPMSM was modeled for mechanical analysis, including such parameters as forced vibration, radiated noise, and modal acoustics analysis in air and water. From the modal acoustics analysis, it is confirmed that the natural frequencies of a structure in water are lower than those in air because of the added mass effect of water.

Suggested Citation

  • Jang-Hyun Park & Tae-Woo Lee & Yeon-Ho Jeong & Do-Kwan Hong, 2022. "Novel Multi-Physics Computational Simulation of a 10 kW Permanent Magnet Motor for Podded Propulsion," Energies, MDPI, vol. 15(18), pages 1-14, September.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:18:p:6607-:d:911124
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    References listed on IDEAS

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    1. Wojciech Litwin & Wojciech Leśniewski & Daniel Piątek & Karol Niklas, 2019. "Experimental Research on the Energy Efficiency of a Parallel Hybrid Drive for an Inland Ship," Energies, MDPI, vol. 12(9), pages 1-16, May.
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