expenditure approach

According to the optimum of power losses at the maximum load to determine the var compensation positions,and then the upper and lower limits of reactive power compensation capacity was calculated for the least accounting expenditure cost.

根据已知节点电压和干线首端的功率,分析潮流确定主干线,按最大负荷时网络损耗最小确定补偿位置,然后以计算支出费用最少为目标确定无功补偿容量的上下限。