Evaluation on Renewable Energy Accommodation Ability Based on Peak Load Regulation and Capacity Constraint

In the face of increasingly severe climate changes and environmental problems, the installed capacity of renewable energy is expected to grow rapidly. It is of great significance to quantitatively analyze the ability of power systems to admit the renewable energy. Firstly, the paper analyzes the influencing factors of the renewable energy accommodation ability of power systems, and concludes that the peak load regulation and power equipment capacity limits should be regarded as the main constraints for determining the renewable energy accommodation ability. Secondly, the evaluation methods for the renewable energy accommodation ability based on peak load regulation constraints and capacity constraints are studied respectively, and the comprehensive assessment method for the renewable energy accommodation ability is given. Finally, taking a regional power grid in Zhejiang province as an example, the effectiveness of the evaluation method proposed in this paper is verified.