Source-Grid-Load Coordinated Dispatching Strategy for Power System Flexibility Enhancement

Considering the synergistic interaction of source-grid-load to improve flexibility, an optimal scheduling model of the main network to minimize the cost function is constructed. This model takes flexible resources such as thermal power units, interruptible loads, and transferable loads into consideration, as well as wind farms and photovoltaic power stations, which aims to improve flexibility using source-load side flexibility resources. The CPLEX optimization solver in MATLAB is used to solve the proposed model. On this basis, the effects of transferable load ratio, the in-depth peak regulation, and wind and solar curtailment on enhancing the flexibility are simulated and analyzed.