IEC 62128-2:2013
轨道交通.固定装置. 电气安全, 接地和回路. 第2部分: 对于由直流牵引系统引起的杂散电流影响所采取的保护措施
Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 2: Provisions against the effects of stray currents caused by d.c. traction systems