Deyong YANG, Yongjian ZHI, Tianfan YANG, et al. Electromagnetic Interference Analysis and Optimization of Traction System for Urban Rail Vehicles. [J]. Electric Drive for Locomotives (2):111-116(2019)
DOI:
Deyong YANG, Yongjian ZHI, Tianfan YANG, et al. Electromagnetic Interference Analysis and Optimization of Traction System for Urban Rail Vehicles. [J]. Electric Drive for Locomotives (2):111-116(2019) DOI: 10.13890/j.issn.1000-128x.2019.02.024.
Electromagnetic Interference Analysis and Optimization of Traction System for Urban Rail Vehicles
Based on coupling effect of working grounding and protective earthing of traction system of urban rail vehicles, the electromagnetic interference mechanism of the system was analyzed, and the system simplified calculation model of the interference was put forward. The model had the advantages of simple structure and clear physical meaning, and was suitable for both time domain and frequency domain analysis, which could be used to estimate the system high frequency interference. Through the actual urban rail vehicles traction system equivalent modeling, high frequency interference current of the system was calculated, and the accuracy of the theoretical model was verified by experiments. Finally, a simple and efficient method of electromagnetic interference optimization was proposed, and the experimental results verified the effectiveness of the optimization method.
关键词
城轨车辆牵引系统电磁干扰变频建模干扰抑制
Keywords
urban rail vehiclestraction systemelectromagnetic interferencehigh frequency modelinginterference suppression
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