Safety Assessment of Electromagnetic Exposure in High-Speed Train Carriage With Full Passengers

Abstract

Overview

The purpose of this study is to evaluate the electromagnetic environment's safety within a high-speed train carriage when filled with passengers and exposed to power cables. This assessment utilized the COMSOL Multiphysics software, simulating a real carriage scenario with the addition of two sets of power cables and 84 passengers based on the CRH5 model.

Findings

• The investigation covered the electromagnetic field distributions both within the carriage and directly affecting the passengers.
• It was found that electromagnetic fields on the windows showed higher values compared to those on the passengers themselves. Specifically, maximum induced magnetic and electric fields reached levels of 2627.10 µT and 2.0 × 10⁵ mV m⁻¹, respectively.
• Of particular concern were the findings in the third row of passengers, where those closer to the windows exhibited higher electromagnetic intensity, with values reaching up to 96.3 mV m⁻¹ and 90.9 µT.

Conclusion

Despite these significant findings in localized areas, all recorded data fell below the internationally recognized ICNIRP Reference Levels, suggesting that while the electromagnetic exposures exist and could be concerning, they do not pose a health threat under current standards.