摘要
通过分析城市轨道交通直流系统框架保护及轨电位限制的原因及动作原理,阐述直流框架保护电流保护、电压保护及钢轨电位限制装置动作配合关系及实现方法。
This paper analyzes the causes and the operating principle of the frame leakage protection and rail over-voltage protection of the DC rail transit system. It introduces an optimum design scheme for the voltage and current protection of the frame leakage and rail over-voltage protection of DC traction power supply system in urban trait engineering.
出处
《船电技术》
2010年第11期62-64,共3页
Marine Electric & Electronic Engineering
关键词
直流框架保护
钢轨电位限制装置
frame protection
rail over-voltage protection device
