Research on influence of high-speed railway on induced electricity in metal layer of power cables near normal-speed railway

Gengfeng Zhu

doi:10.1117/12.2645500

23 November 2022 Research on influence of high-speed railway on induced electricity in metal layer of power cables near normal-speed railway

Gengfeng Zhu

Author Affiliations +

Proceedings Volume 12302, Seventh International Conference on Electromechanical Control Technology and Transportation (ICECTT 2022); 123020D (2022) https://doi.org/10.1117/12.2645500
Event: Seventh International Conference on Electromechanical Control Technology and Transportation (ICECTT 2022), 2022, Guangzhou, China

Abstract

When the high-speed railway and the normal-speed railway are adjacent to each other, the ground return current generated by the high-speed railway autotransformer feeding system will cause instantaneous AC interference to the cables buried near the normal-speed railway. By establishing a simulation model, the influence of the high-speed railway autotransformer feeding system in normal operation on the induced electricity of the adjacent three-core power cable of the ordinary speed railway is studied, and the relationship among the distance between the cable and the high-speed railway, parallel length of cable and high-speed railway, soil resistivity, traction, current and induced current are explored. Finally, the parallel sections of typical high-speed railways and ordinary railways are selected for actual measurement under the conditions of single-end grounding and double-end grounding of cables respectively, and the simulation model is verified. The results show that there is a significant relationship between induced current and high-speed railway electric traction supply system current. The induced voltage is within the safe voltage limit during normal load operation.

Citation Download Citation

Gengfeng Zhu "Research on influence of high-speed railway on induced electricity in metal layer of power cables near normal-speed railway", Proc. SPIE 12302, Seventh International Conference on Electromechanical Control Technology and Transportation (ICECTT 2022), 123020D (23 November 2022); https://doi.org/10.1117/12.2645500

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