Abstract:
介绍了基于动态拓扑分析的配电网馈线故障区段定位系统。系统由馈线终端单元FTU(Feeder Terminal Unit)、通用无线分组业务GPRS(General Packet Radio Service)通信网络及主站构成。主站与FTU间的GPRS通信采用标准负控规约。FTU以32位ARM7芯片为CPU(Central Processing Unit),硬件分为系统和接口2部分。FTU的软件基于μc/os-Ⅱ嵌入式操作系统设计为多任务、多缓冲区的结构,采用相电流突变量算法实现对短路故障的判断。主站的故障区段定位软件在基本的故障区段定位矩阵算法的基础上,考虑了GPRS通信延时的随机性、联络开关...
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Year: 2011
Language: Chinese
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