摘要
框架保护作为地铁直流供电系统的重要保护之一,对地铁列车的稳定运行意义重大。本文通过介绍框架保护的作用、原理,提出现有故障切除方法的不足,并对保护动作恢复的方式进行优化,以缩短故障恢复时间,提高地铁设备运行可靠性。
The frame protection, one of very important protection for subway DC power supply system, is significant to the stable running of subway trains. The paper introduces functions and principles of frame protection, puts forward the disadvantages of method for fault removal; the fault recovery duration has been shortened and the reliability of subway equipment has been improved after the optimization of recovery mode for protection actions.
出处
《电气化铁道》
2018年第3期48-50,共3页
Electric Railway
关键词
直流系统
框架保护
双边联跳
故障恢复
DC system
frame protection
bilateral inter-tripping
fault recovery
