牵引变电所微机主变压器保护动作行为统计与对策研究  

Statistics and Countermeasures of Protection on Microprocessor Main Transformer of Traction Substation

作　　者：褚晓锐[1] 

机构地区：[1]西昌学院工程技术系,四川西昌615013

出　　处：《兵工自动化》2008年第8期68-70,共3页Ordnance Industry Automation

基　　金：西昌学院在职在岗研究生自然科学科研项目"牵引供电系统微机保护动作行为统计与对策研究"(ZZSSA0711)

摘　　要：在对牵引变电所微机主变压器保护动作行为统计分析的基础上,得到主变压器保护不正确动作的原因,并提出相应解决对策:技术人员加强理解牵引主变压器保护原理和进行保护的合理整定;增加差动保护判别电流互感器饱和功能;对牵引变电所互感器的变比进行校核,并对保护整定值进行校验;减少微机保护装置二次回路接线等。On the basis of statistics and analysis on microprocessor main transformer protection of traction substation, know reasons of failure protection on micro-processor of the main transformer of traction substation, as to propose appropriate countermeasures： technicians enhance understanding of principles of traction main transformer protection and setting reasonable protection; increase discriminant current transformer＇s saturation function of differential protection; check transformation ratio of traction substation＇s transformer, as to verify protection＇s numerical size of setting; reduce secondary circuit wiring of micro-processor protection devices, etc.

关 键 词：主变压器保护 动作行为 统计 对策 

分 类 号：TM403.5[电气工程—电器]