基于综合效益指标体系的风水互补系统经济调度

Economic Dispatching of Wind and Hydropower Complementary System Based on Comprehensive Benefit Index System

在风水互补系统中,风电受政策扶持,常优先保证其全额消纳,而忽略了对水电的影响。随着产业与市场的发展,风电的补贴政策逐渐退坡,运行调度将优先考虑系统经济性,为此,将水电在互补运行下所受影响纳入经济调度考虑中,建立了风水互补系统效益指标体系,以互补系统效益最优为目标建立调度模型,并提出一种半控制的粒子群算法(semi controlled particle swarm optimization,SC-PSO)进行求解。在算例中设置对照实验,探讨不同政策、不同规模、不同资源、不同工况下的互补系统资源调度,并用Shapley addictiveexplanations对调度结果进行了分析。相较于风电全额消纳模型,所提模型在系统综合效益上最大提升了86%,该结果表明了所提模型的有效性,对以水电为调节能源的互补系统经济调度问题有指导作用。

In a wind and hydropower complementary system(WHS), the wind power has a superior subsidy policy and is often given a priority to ensure its full consumption,while its impact on the hydropower is usually ignored. With the development of wind power, its superior subsidy policy is gradually declining, and the economy of WHS will take the priority in the operation dispatching. Therefore, taking the impact of hydropower in WHS into consideration in the economic dispatching, this paper establishes a benefit index system of WHS and a dispatching model with a goal of the optimal benefit. Then a Semi Controlled Particle Swarm Optimization algorithm(SC-PSO) is proposed to solve the target problem. In the case study, comparative experiments are set up to explore the dispatching of WHS under different policies, different scales, different resources and different working conditions. The dispatching results are analyzed by the Shapley additive explanations(SHAP). Compared with the total wind power consumption model, the benefit of this proposed system is improved by 86% at most. The results prove the effectiveness of the proposed model, which may guide the economic dispatching of the complementary system with hydropower as the regulating energy.