电气化铁道
電氣化鐵道
전기화철도
ELECTRIC RAILWAY
2012年
6期
45-48
,共4页
史泽兵%郝后堂%王宇%李肖博%江卫良
史澤兵%郝後堂%王宇%李肖博%江衛良
사택병%학후당%왕우%리초박%강위량
电流上升率保护%电流增量保护%热过负荷保护%直流牵引供电系统%馈线保护
電流上升率保護%電流增量保護%熱過負荷保護%直流牽引供電繫統%饋線保護
전류상승솔보호%전류증량보호%열과부하보호%직류견인공전계통%궤선보호
current rising rate protection%current increment protection%thermal overload protection%DC traction power system%feeder protection
在研究国内地铁现场运行的轨道直流馈线保护的基础上,设计轨道直流馈线保护系统方案,并针对该方案给出了中央处理单元和直流隔离放大单元的硬件设计,关键模块如电流上升率保护、增量保护、热过负荷保护和系统故障处理流程的软件设计。
在研究國內地鐵現場運行的軌道直流饋線保護的基礎上,設計軌道直流饋線保護繫統方案,併針對該方案給齣瞭中央處理單元和直流隔離放大單元的硬件設計,關鍵模塊如電流上升率保護、增量保護、熱過負荷保護和繫統故障處理流程的軟件設計。
재연구국내지철현장운행적궤도직류궤선보호적기출상,설계궤도직류궤선보호계통방안,병침대해방안급출료중앙처리단원화직류격리방대단원적경건설계,관건모괴여전류상승솔보호、증량보호、열과부하보호화계통고장처리류정적연건설계。
DC feeder protection as an important part of the Subway DC traction power supply system with high reliability and sensitivity.Based on the study running rail DC feeder protection in domestic,the DC feeder protection system program is designed.The hardware design of the central processing unit and DC isolation amplifier unit are given,the specific implementations of the key modules such as current rising rate protection,current increment protection,thermal overload protection of and the system processes are presented also.Based on this principle developed by the DC feeder protection has been put into field test operation with good results.
