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50hz dan gui tiao xiang min gui dao dian lu de ying yong he kang gan rao cuo shi de yan jiu
Author(s): 
Pages: 51-53
Year: Issue:  6
Journal: Railway Signalling & Communication Engineering

Keyword:  单轨条相敏轨道电路二元二位继电器微电子接收器;
Abstract: 中国城市轨道交通广泛采用1 500 V直流牵引,因此,钢轨既是轨道电路信号的传输媒介,同时也是牵引回流的通道.在上海地铁2号线和天津滨海轻轨等项目的正线道岔区段、车辆段和停车场应用单轨条50 Hz相敏轨道电路.根据上述项目的工程调试经验,对单轨条50 Hz相敏轨道电路的原理和实践应用中的几个问题进行探讨.
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