摘要
对不同线径电力架空线负荷矩的研究表明:当单位长度线路上具有相同电压降时,线路负荷矩随着导线型号的变化而变化。深入分析线路负荷矩与导线截面之间的内在联系,突破了传统方法只能进行同型导线计算的瓶颈,对不同线径架空线进行归一化处理,确定台区实施线径更换的最优段域。该方法已应用于线路低电压治理分析中,实际工程监测数据表明该方法具有较强的可行性、经济性和应用价值。
The load moment of different diameter lines was studied for distribution networks.Results showed that the line load moment varied with the wire type in the condition of same voltage drop in per unit length line.It was deeply analyzed that the internal relationship between the line load moment and line cross-section in this paper.The limit of traditional method was broken through,and conductors with different diameter were normalized to calculate in the same type conductor.And then the optimal line sections for replacing were determined.The feasibility,economy and application value of the proposed method were verified by the actual engineering monitoring data.
出处
《电力科学与技术学报》
CAS
北大核心
2015年第2期80-86,共7页
Journal of Electric Power Science And Technology
基金
国家电网公司科学技术项目(52130N14002N)
关键词
电力线路
负荷矩
线径
电压降
power lines
load moment
line diameter
voltage drop
