SS_9型机车利用可控硅技术对牵引、制动接触器改进  

Function Improving for Traction and Brake Contactor by Utilizing SCR Technology in SS_9 Type of Locomotive

作　　者：范豫辉 

机构地区：[1]南车集团公司洛阳机车有限公司,河南洛阳471002

出　　处：《铁道机车车辆》2009年第3期58-60,共3页Railway Locomotive & Car

摘　　要：SS9型电力机车在运行工况下牵引、励磁绕组转换器件上采用的是有触点的真空接触器,其转换过程和控制复杂,可靠性低,极容易造成系统的故障以及真空接触器的烧损。为此提出利用可控硅技术进行改进的措施。Vacuum contactors with contact points have been used in components of traction and excitation windings of SS9 type of locomotive when it changes its nmning condition from traction into braking.Its changing and controlling process are very complicated.Moreover, this device possesses a lower reliabihty and can very easy go wrong, and vacuum contactors can easily be burnt out. For this reason, the SCR technology shall be introduced for the improving of its function.

关 键 词：SS9型电力机车 励磁绕组 真空接触器 可控硅控制 

分 类 号：U264.37[机械工程—车辆工程]