Regional Power Grid Automatic Generation Control Strategy Considering Energy Storage Participation

In recent years, due to the high penetration rate of renewable energy and the diversification of load side resources, the uncertainty factors in the power system bring great challenges to the construction of the power market. To address the coordination issue of allocating frequency regulation resources such as energy storage, coal-fired units, and gas-fired units for area regulation requirements (ARR) in power grids, a control strategy based on energy storage participation in regional power grid automatic generation control (AGC) is proposed. Firstly, four regulation requirement zones for regional adjustment control are defined. Then, considering the allocation of large-scale energy storage for area regulation requirements, the regulation power of energy storage in regional power grid AGC is calculated and an optimized distribution strategy among energy storage stations to maintain the balance of state of charge (SOC) is developed. Finally, the effectiveness of the proposed energy storage participation in AGC control strategy was verified through case analysis using actual data from a specific region.