为了快速定位110 kV地区电网中的T接线路故障点,提出并建立一种采用广义量测方法的T接线路故障测距系统,该系统由分布式采样终端、通讯网络以及综合分析研判中心3层网络结构构成;分布式采样终端以场检测原理为基础,通过无接触式感应行波采集装置采集行波的突变信号,再由通讯网络传送至综合分析研判中心进行测距分析。结果表明:无接触式行波感应装置以场检测为基础,可替代传统的电压或电流互感器,减少停电安装对电网运行造成的影响;通过对某地区电网的110 k V线路T接线进行分析,发现行波采集测距理论可较好地解决该地区电网的故障测距问题。
【英文摘要】
In order to locate quickly the fault positions of 110 k V T-connection lines,a new fault location system based on generalized measurement technique was proposed. The system consisted of three-layer networks,including distributed sampling terminals,communication network and comprehensive analysis center. The results show that the distributed sampling terminals were based on field detection principle,collecting mutation signals through non-contact inductive device based on traveling wave and measuring distanc...
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