Reliability Evaluation of Hybrid Energy Storage System Considering Flexible Resources of Source, Network and Load

The proposal of the "dual-carbon" goal has made the penetration rate of renewable energy in the power system continue to increase. The hybrid energy storage technology has been developed rapidly to accommodate the abundant renewable energy. Reliability evaluation of the renewable energy system is of great significance to evaluate whether the system can deal well with the uncertain renewable energy output. However, current research did not consider well the role the flexible resources of source, network and load play in the reliability evaluation, resulting in the inaccurate evaluation results. To address this problem, this paper proposes a hybrid energy storage reliability evaluation model integrated with the flexible resources of source, network and load. The case study results show that the reliability of the power system can be improved greatly considering the flexible resources.