Energy Management Method of Electricity Heat Hydrogen Multi-Coupling System for Retired Power Battery Echelon Utilization in Microgrids
Ning Yan, Yao Zhong, Xiangjun Li, Yulong Wang, Longtao Su, Jiang Wan, Jianxiang Zhou
Abstract
In order to effectively make up for the defect of service life of re-tired power battery echelon used in microgrids (MGs) and improve the reliability of MGs system, an energy management method based on the energy hub of the electricity heat hydrogen multi-energy storage system (EHH-MESS) is proposed the in the paper. Firstly, considering the uncertain factors such as energy output, load fluctuation, retired power battery life defects and multi energy flow impact, MGs supply-demand balance model is built. Secondly, taking the economy of energy supply as the goal, a control method based on energy hub is proposed, which considers the weight of multi-objective optimization to control MGs. Finally, the effectiveness of the proposed energy management method is verified by simulation analysis, which improves the power supply reliability and economy of the system.