Experimental Validation and Integrated Multi-Physics Analysis of High-Speed Interior Permanent Magnet Synchronous Motor for Marine Exhaust Gas Recirculation Blower System

WonYoung Jo, DongHyeok Son and YunHyun Cho ()
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WonYoung Jo: VGM Co., Ltd., Busan 44776, Republic of Korea
DongHyeok Son: Sansystech Co., Ltd., Busan 46918, Republic of Korea
YunHyun Cho: Department of Electrical Engineering, Dong-A University, Busan 49315, Republic of Korea

Energies, 2026, vol. 19, issue 7, 1-10

Abstract: This study explores an integrated multi-physics design approach for a high-speed Interior Permanent Magnet Synchronous Motor (IPMSM) optimized for marine diesel engine Exhaust Gas Recirculation (EGR) blower systems. To satisfy the rigorous operational demands of marine environments, an IPMSM with a rated output of 150 kW and a base speed of 9000 rpm was developed. The design validity was rigorously verified through a comprehensive multi-physics framework using the Finite Element Method (FEM), ensuring a balance between electromagnetic, thermal, and mechanical performance. The investigation established a mathematical model for the IPMSM driven by a Space Vector Pulse-Width Modulation (SVPWM) inverter, facilitating a detailed analysis of steady-state characteristics within the EGR system. To guarantee long-term reliability at high rotational speeds, the study performed an integrated thermal analysis based on precise electrical loss separation and a rotor-dynamic evaluation focusing on unbalanced vibration responses of the shaft. Finally, the proposed design was validated by integrating the IPMSM into a full-scale EGR blower system. Experimental evaluations across the entire operating range confirm that the integrated design successfully achieves the high power density and mechanical robustness required for marine diesel applications.

Keywords: EGR blower system; high-speed IPMSM; integrated multi-physics design; thermal–structural coupled analysis (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2026
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