高铁ZPW2000型轨道电路传输特性及抗干扰性分析

High-speed Rail ZPW2000 Track Circuit Transmission Characteristics and Anti-jamming Analysis

为了更好地研究轨道电路,介绍了高铁ZPW2000型无绝缘轨道电路,对该轨道电路的传输网进行了分析与建模,通过对ZPW2000型轨道电路传输系统的建模与仿真,验证了仿真结果与现场设备测试结果的吻合性,仿真结果表明,该轨道电路传输系统模型是正确的和有效的。对轨道电路的抗干扰性进行了分析,由分析结果可知,与国产移频轨道电路相比,ZPW2000型轨道电路采用较高的载频,在电气化区段的抗干扰能力比国产移频高。

In order to better study track circuit,this paper introduces the high-speed rail ZPW2000 track circuit,analyzing and modeling for the track circuit transmission system,and through ZPW2000 track circuit modeling and simulation,the simulation results is anastomotic with the field equipment test results. The results show that the track circuit transmission system model is correct and effective. Finally,the paper analyzes the ZPW2000 track circuit in the anti-interference,and compared with domestic frequency shift track circuit,ZPW2000 track circuit by using the higher carrier frequency,the antiinterference ability are stronger than domestic frequency shift in the electrification section.