Research on Multiple Objection Operation Strategy Optimization of Distribution Network Including Distributed Energy Storage

With continuous improvement of the retention rate of household electrical appliances, the peak valley difference of power distribution network, especially the rural distribution network is expanding. A reasonable management method of the demand side is needed to realize load shifting and economic operation of distribution network. At present, the cost of energy storage(ES) equipment is decreasing, which provides a new idea for the optimization of distribution network operation. This paper studied the charge/discharge model and strategy of ES, and constructed a multi-period optimal operation strategy model of distribution network with ES. Sparse coding automatic differentiation technology was applied to reduce coding workload, and constraint reduction of ES was proposed to reduce differential calculation, which enhanced the feasibility and efficiency of the model solving. Finally, the simulation results of an actual distribution network with ES demonstrated the accuracy of the proposed model, the efficiency of the proposed algorithm and the feasibility of the proposed solving method.