A proper, optimized grid structure is a prerequisite to enhancing the quality of power supply, cutting transmission cost and reducing power loss, which is of vital importance under the condition of electricity market. This paper analyzed the methods of grid optimization in power system, elaborated the mathematical model and algorithm of power grid optimization. In the end, it focused on the optimization of the garget framework of Fenghuang town in Hunan province in the 2010's power system planning.
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