The optimal solution to the power loads was obtained by Lagrangian multiplexer method introduced Karush-Kuhn-Tucker(KKT) scalar factor and conditions,and its iterative process was given.

• 通过引入Karush-Kuhn-Tucker(KKT)伸缩因子及条件的拉格朗日乘子法求得功率加载的优化解；并给出了迭代过程.