Taking the supplying regions as rows of the bigraph, the optimum scheme for looped grids feeder arrangement with minimum cost is obtained by a minimum weight match algorithm of bigraph.

• 以联络线的建设费用最小为目标函数,将各供电分区作为偶图的2列,采用最小权匹配算法得到"手拉手"环状网的最优配对结果。