馈线的等效负荷密度模型

提出了6种基本负荷分布形式。通过求解馈线两端的电压方程和馈线沿线损耗方程，分别获得6种负荷分布的特征值和相似系数，并计算出6种负荷分布的加权系数，从而不需要量测馈线沿线的各个负荷，也能得出馈线电压降落和沿线线损，在此基础上建立了配电馈线的等效负荷密度模型，并进一步发展了离散负荷密度模型。文中给出了若干实例，并与不简化的计算法、负荷均匀分布法和集总参数等效负荷模型的计算结果进行了比较，结果表明了所提方法的可行性。

EQUIVALENT LOAD DENSITY MODELS FOR FEEDERS

An equivalent load density model of a feeder line is presented. Six fundamental load distribution patterns are put forward. By solving voltage drop and power loss equations of the feeder line, characteristic values together with the corresponding similarity coefficients for the six load distribution patterns are obtained respectively. Weighting values for the six load distribution patterns are calculated,respectively. Consequently, voltage drop and line loss can be acquired without measuring the data of each load on the feeder line. Based on above method, a discrete equivalent load density model is developed. Examples are also given with comparison with other analysis results, such us the power flow calculation without simplification, loads evenly distributed model and lumped equivalent load model, showing the feasibility of the proposed approach.