110 kV新赛线高频通道衰耗过大问题的分析及处理  

Analysis and Treatment for Oversize Attenuation Problem of 110 kV Xinsai Line High-frequency Channel

作　　者：褚国伟[1] 

机构地区：[1]常州供电公司,江苏常州213000

出　　处：《江苏电机工程》2008年第4期32-34,共3页Jiangsu Electrical Engineering

摘　　要：高频通道的可靠性对高频保护的正确动作起决定作用。针对常州电网110 kV新赛线高频通道衰耗过大的问题进行分析,测试了高频通道上的电器设备工作性能,并分析了地返波干扰因素。通过对新赛线高频通道进行扫频试验,选择适合该高频通道的工作频率,有效地减小了该高频通道的衰耗。The reliability of high-frequency channel plays a decisive role in correct operation of carrier current protection. Aiming at oversize attenuation problem of 110 kV Xinsai line high-frequency channel,the work capability of wiring in high-frequency channel is checked, and interference factors of ground backward-wave are analyzed. Fitting operating frequency of Xinsai line high-frequency channel is decided through sweep checking of the channel. As a result,the attenuation of high-frequency channel is decreased effectively.

关 键 词：高频通道 衰耗 工作频率 扫频试验 

分 类 号：TM35[电气工程—电机]