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由于目前我国普遍采用的配电变压器低压侧分散补偿的补偿度有限，不能进一步提高配电线路的功率因数，所以从工程实际出发，提出 １０ ｋＶ 配电网杆上无功补偿方式及其年支出费用为最小的优化模型，以确定树状配电网并联电容器的最佳安装位置及相应的最佳安装容量。计算表明，对较长的配电线路，经杆上无功补偿后，线损将进一步下降，经济效益可观，可以推广采用。
Due to the limited compensation degree of low-voltage side distributed compensation of distribution transformer which is widely used in our country at present, the power factor of distribution line can not be further increased. Therefore, based on engineering practice, the reactive compensation method of pole on 10 kV distribution network and its annual expenditure The cost-minimization optimization model is used to determine the optimal installation location of the shunt capacitor in tree-type distribution network and the corresponding optimal installation capacity. Calculations show that for longer distribution lines, after pole reactive compensation, the line loss will further decline, and the economic benefits are considerable, which can be popularized and adopted.