An Economic Optimization Method of Energy Storage Based on Source-Storage Collaboration

In order to enhance the coordination ability between energy storage and conventional thermal unit, and improve the consumption rate of new energy, an economic optimization method of energy storage system based on source-storage collaboration is proposed in this paper. According to the principle of source-storage cooperative control, the economic control optimization model of source-storage cooperative system is established. The minimum peak regulating cost of conventional thermal unit, the maximal peak regulating benefit of energy storage and the highest incremental absorption of new energy are regard as the objective functions. Combined with immune algorithm, the multi-attribute decision method is introduced into the solution of optimal model. This method is validated by a regional power system in North China.