地铁轨道电位的异常是影响列车安全稳定运行的重要因素。对轨道电位的产生、危害及影响轨道电位升高的因素进行了分析。
The origin and the hazard of rail potential and the factors which impact on the elevated rail potential have been analyzed.
分析了轨道交通直流牵引供电系统的直流设备电压型框架保护装置与轨道电位限制装置定值和时间配合存在的问题及解决办法。
It analyses the rail transit DC traction power supply system voltage type frame protect device and rail voltage limited device matching problems that solve their adjusting value and time.
结合南京地铁1号线轨道电位异常的问题，提出了轨道电位异常分析研究的一般方法，以及针对不同原因导致轨道电位升高的处理方法。
In light of the rail potential anomalies happend in Nanjing metro Line 1, this paper provides a general analytic method, discuses the different reasons for the elevated rail potential.
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