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随着应用数量的增加,作为精确故障定位技术的行波测距已具备区域组网使用条件。文中在分析广域行波过程的基础上,扩展了双端行波测距原理以适应广域行波测距,提出了行波网络扰动有效区域的识别方法,构造了仅使用行波信息的完整的扰动记录数据筛选和校验,扰动线路的判断及扰动点定位的广域行波测距网络算法。现场应用验证了该算法的有效性。
With the increase of the number of applications, traveling wave range finding as an accurate fault location technology already has the conditions of regional networking. Based on the analysis of wide-area traveling wave process, the principle of double-ended traveling wave based on ranging is extended to suit wide-area traveling wave range finding. A method to identify the effective area of traveling wave network disturbance is proposed. Complete disturbance data recording and verification, judgment of disturbance lines and wide-area traveling-wave ranging network algorithm of disturbance point location. The field application verified the effectiveness of the algorithm.