Simulation analysis of higher harmonics of traction current and research on suppression scheme

Yunchuan Wang; Zhenhai Zhang

doi:10.1117/12.3053089

3 January 2025 Simulation analysis of higher harmonics of traction current and research on suppression scheme

Yunchuan Wang, Zhenhai Zhang

Author Affiliations +

Proceedings Volume 13442, Fifth International Conference on Signal Processing and Computer Science (SPCS 2024); 134421E (2025) https://doi.org/10.1117/12.3053089
Event: Fifth International Conference on Signal Processing and Computer Science (SPCS 2024), 2024, Kaifeng, China

Abstract

With the rapid development of the production economy, electrified EMU trains have become the main means of transportation for people to travel. But the ensuing power quality problem has also become one of the main concerns in the railway field today. When the electric locomotive is running, the harmonic currents in the traction current may cause interference to the railway signaling equipment (track circuits) along the line. Therefore, in this paper, we first simulate and analyze the traction current of the locomotive, and then take the useful signal 2600Hz~2630Hz, the harmonic signal 2550Hz, and 2650Hz as an example, and design a FIR band-pass filter based on genetic annealing algorithm. Compared with the traditional digital filter, it can be intuitively observed that the optimized filter filters out harmonic interference efficiently.

(2025) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yunchuan Wang and Zhenhai Zhang "Simulation analysis of higher harmonics of traction current and research on suppression scheme", Proc. SPIE 13442, Fifth International Conference on Signal Processing and Computer Science (SPCS 2024), 134421E (3 January 2025); https://doi.org/10.1117/12.3053089

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