一起500kV线路保护光纤通道异常的分析与处理

Analysis and Treatment of a 500kV Line Protection Optical Fiber Channel Abnormity

文章针对某500kV变电站一起500kV线路纵联保护通道异常事件,分析了光纤通道异常的可能原因,详细介绍了引起现场设备出现异常的原因和具体处理过程,阐述了查找此类故障原因的方法及防止故障再次发生的防范措施。

This paper analyzes the possible causes of an abnormality in the pilot protection fiber channel at a 500kV substation and describes in detail the cause of the abnormality of the field device and the specific treatment process as well as the methods to find the causes and precaution of such malfunctions.