道岔转辙机外壳接地的利与弊

Advantages and Disadvantages of Grounding for Switch Machine

阐述在轨道交通工程中道岔转辙机接地与不接地在应用时带来的不同问题,并对引发这些问题的原因进行了分析。转辙机接地在城市轨道交通及铁路上曾发生严重事故,建议城市轨道交通中转辙机不接地,并提出了相应处理措施。

This paper describes the different problems occurred in the cases of switch machine with and without grounding in urban rail transit in applications, and analyzes the cause of the problems. Some switch machines with grounding in urban rail transit and railways had serious accidents, it is recommended that switch machine shall not be grounded in urban rail transit, and the paper puts forward some corresponding measures.