1.College of Electrical Engineering,Zhejiang University;2.Zhejiang Huayun Information Technology Co,Ltd
In order to improve the economy of the investment and operation of user-side battery energy storage and reduce the cost of user power consumption, a rolling optimization method of user-side battery energy storage configuration and operation scheduling is proposed. Firstly, the benefit of users after installing energy storage and the constraints of energy storage operation are analyzed. Then the energy storage configuration optimization model, the energy storage optimization model before month and the rolling optimization model for intra-day operation are constructed and solved by CPLEX solver. Energy storage performance constraints are added to the model, which can effectively reduce the number of transitions between charging and discharging states and prolong the life of energy storage. In the pre-month optimization, a predicted monthly demand defense value is determined. In the intra-day rolling optimization, a subsection optimization model for daily operation of energy storage and a renewal model for monthly demand defense value are constructed. The daily load data and monthly demand defense value are updated in real time, and the rolling optimization is carried out to continuously correct the impact of load forecasting error. Finally, a large industrial user is simulated to verify the validity of the model.
ZHAO Yitong,WANG Huifang,HE Benteng,et al.Optimization Strategy of Configuration and Operation for User-side Battery Energy Storage[J/OL].Automation of Electric Power Systems,http://doi.org/10.7500/AEPS20190507001.