一起特殊故障下备自投未动作异常情况分析

Analysis of the Abnormal Operation of Backup Power Automatic Switching Device in a Special Fault

介绍了备用电源自投入装置桥断路器备投方式的动作逻辑和基本原则,针对某个变电站备自投装置未动作的异常案例,分析了备自投装置的动作时序,找到了备投未正确动作的原因,并提出了解决方法和整改措施.

The action logic and the basic principle of the power automatic bus transfer device under bridge breaker input type is introduced. According to the abnormal case of the device in a substation, the action sequence of the device is analyzed and the reasons for the incorrect operation are found. Then the solution and the improvement measures are put forward.