输电线路分布式故障诊断系统
因传统的输电线路故障定位装置存在技术限制，输电线路在复杂运行环境下发生故障（雷击、山火、风偏、树障、漂浮物等）时难以快速准确定位故障点和识别故障类型。输电线路分布式故障诊断装置基于故障就地录波技术和行波定位法，可有效解决传统故障定位装置定位精度低、故障类型难以辨别等难题。
输电
故障
定位
雷击
线路
装置
行波
辨识
识别
因传统的输电线路故障定位装置存在技术限制，输电线路在复杂运行环境下发生故障（雷击、山火、风偏、树障、漂浮物等）时难以快速准确定位故障点和识别故障类型。输电线路分布式故障诊断装置基于故障就地录波技术和行波定位法，可有效解决传统故障定位装置定位精度低、故障类型难以辨别等难题。
装置可接入各地市局雷电监测系统，并符合安全接入要求。装置挂载运行于输电线路上，可将故障时的波形数据以无线通信方式自动上传至中心主站；中心主站基于多个监测点波形协同分析，可精确定位故障点、辨识雷击/非雷击故障、自动生成故障信息，为提高线路巡视效率和缩短故障恢复时间提供技术保障。
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主要功能
1）故障定位:依据行波定位原理，结合线路拓扑结构，确定故障点准确位置；
2）故障辨识:根据行波电流波形特征，识别雷击故障和非雷击故障；对于雷击故障，准确辨识出反击、绕击故障；
3）故障告警:故障发生后，系统将诊断结果以短信和WEB方式发布，实现故障告警。
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主要技术指标
1）电压等级：适用于35kV~1000kV电压等级的架空交流输电线路；
2）故障诊断：定位误差≤300米，雷击与非雷击故障辨识准确率＞95%，绕击与反击故障故障识别准确率＞90%；
3）感应取电：工作电流范围20A～1500A（单根导线）；
4）行波电流测量范围：1A～5kA；
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