In the functional testing,fault analysis and optimization research of the ZPW-2000A track circuit system,it is necessary to establish test environments with different section length,rail impedance,compensation capacitance and ballast resistance configurations.This paper presents the design of a track circuit fault simulation system,which can flexibly simulate rail lines and electrical insulation joints with the equivalent characteristic impedance of different section types,and reproduce common and typical fault cases of transmission channels and equipment components.The proposed system has great significance in supporting the analysis,research and verification of the working performance of track circuits under different working conditions.
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