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Volume 14
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Article

Real-Case FEM Study of a 600 km/h EMS High-Speed Maglev: Electromagnetic, Force, and Harmonic Analysis

by
Delong Wang
,
Boyang Shen
*,
Siyuan Bao
and
Lin Fu
*
College of Transportation, Tongji University, Shanghai 201804, China
*
Authors to whom correspondence should be addressed.
Electronics 2025, 14(21), 4260; https://doi.org/10.3390/electronics14214260
Submission received: 19 September 2025 / Revised: 21 October 2025 / Accepted: 25 October 2025 / Published: 30 October 2025
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Abstract

The electromagnetic and mechanical properties of electromagnetic suspension (EMS) high-speed maglevs are crucial. Based on a real full-size 600 km/h EMS high-speed maglev at Tongji University, this paper studied the electromagnetic and mechanical properties of the maglev using the finite element method (FEM). Compared to the conventional 430 km/h maglev, the 600 km/h high-speed maglev needed a larger air gap for more tolerance, and thus better electromagnetic performance, e.g., with a levitation electromagnetic current of 27 A and a maximum vertical magnetic field of 0.86 T in the air gap (modeling). Preliminary analysis of magnetic field harmonics was conducted through Fast Fourier Transform (FFT). The study provides proper references of the electromagnetic, mechanical, and magnetic field harmonic characteristics for 600 km/h EMS maglevs, which are useful for the actual development of future high-speed maglevs.
Keywords: EMS high-speed maglev; FEM; electromagnetic-force analysis; harmonics EMS high-speed maglev; FEM; electromagnetic-force analysis; harmonics

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MDPI and ACS Style

Wang, D.; Shen, B.; Bao, S.; Fu, L. Real-Case FEM Study of a 600 km/h EMS High-Speed Maglev: Electromagnetic, Force, and Harmonic Analysis. Electronics 2025, 14, 4260. https://doi.org/10.3390/electronics14214260

AMA Style

Wang D, Shen B, Bao S, Fu L. Real-Case FEM Study of a 600 km/h EMS High-Speed Maglev: Electromagnetic, Force, and Harmonic Analysis. Electronics. 2025; 14(21):4260. https://doi.org/10.3390/electronics14214260

Chicago/Turabian Style

Wang, Delong, Boyang Shen, Siyuan Bao, and Lin Fu. 2025. "Real-Case FEM Study of a 600 km/h EMS High-Speed Maglev: Electromagnetic, Force, and Harmonic Analysis" Electronics 14, no. 21: 4260. https://doi.org/10.3390/electronics14214260

APA Style

Wang, D., Shen, B., Bao, S., & Fu, L. (2025). Real-Case FEM Study of a 600 km/h EMS High-Speed Maglev: Electromagnetic, Force, and Harmonic Analysis. Electronics, 14(21), 4260. https://doi.org/10.3390/electronics14214260

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