Transient circuit model study of train VCB operation disturbance to axle counting system

Xu Tang; Jin Zhou

doi:10.1117/12.3015260

16 January 2024 Transient circuit model study of train VCB operation disturbance to axle counting system

Xu Tang, Jin Zhou

Proceedings Volume 12973, Workshop on Electronics Communication Engineering (WECE 2023); 1297303 (2024) https://doi.org/10.1117/12.3015260
Event: Workshop on Electronics Communication Engineering (WECE 2023), 2023, Guilin, China

Abstract

In today's trains where AC power supply is commonly used, circuit breaker operation is the main source of overcurrent in trains. This paper investigates the transient circuit model of interference to the axle counting system by train VCB operation and analyzes the overcurrent interference caused by the axle counters. This paper analyzes the propagation path of overcurrent interference to the axle counter by introducing the main circuit structure of high-speed trains, the axle counting principle of the axle counter and the overcurrent principle generated by the circuit breaker operation. By using the Q3D and Simplorer of ANSYS software platform to build a three-dimensional equivalent model of car body and high-voltage cable and equivalent circuit models of traction network, high-voltage system and grounding system respectively, a joint simulation was carried out in Simplorer to obtain the overcurrent in the rails and the magnitude of the overcurrent and the magnetic field generated around the axle counter, and the simulation results show that the overcurrent through the rails The simulation results show that the magnetic field generated by the overcurrent through the rail in the Z-axis direction may have an effect on the operation of the axle counter.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Xu Tang and Jin Zhou "Transient circuit model study of train VCB operation disturbance to axle counting system", Proc. SPIE 12973, Workshop on Electronics Communication Engineering (WECE 2023), 1297303 (16 January 2024); https://doi.org/10.1117/12.3015260

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