电力系统自动化2018，Vol.42Issue(11)：41-47,101,8.DOI:10.7500/AEPS20180326002
考虑储能动态充放电效率特性的风储电站运行优化
Optimal Operation of Wind Farm with Hybrid Storage Devices Considering Efficiency Characteristics of Dynamic Charging and Discharging
摘要
Abstract
Joint operation of wind farm and energy storage is a vital approach to improve the wind power utilization in wind farms.Energy storage efficiency has a direct impact on the utilization effect of the combined wind power-energy storage system,but the present constant efficiency model is not that precise in depicting the efficiency characteristics of energy storage. A joint operation optimization model considering the dynamic efficiency characteristics of energy storage is established,with the target of maximizing the equivalent in-grid electricity.Changes of charging and discharging efficiency caused by power variations of storage devices are taken into account and added in the mixed integer linear programming model in the form of segmented function.Based on historical data of a wind farm,effects of constant efficiency model and dynamic efficiency model on the wind power utilization and power values are analyzed in single energy storage system and hybrid energy storage system. It is proved that the efficiency characteristics of dynamic charging and discharging have a significant impact on the utilization maximization,which means they should not be ignored in the optimal operation of combined wind power-energy storage system.关键词
动态效率/储能/风力发电/混合整数线性规划/运行优化Key words
dynamic efficiency/energy storage/wind power generation/mixed integer linear programming/operation optimization引用本文复制引用
伍俊,鲁宗相,乔颖,杨海晶..考虑储能动态充放电效率特性的风储电站运行优化[J].电力系统自动化,2018,42(11):41-47,101,8.基金项目
国家电网公司总部科技项目"多点布局分布式储能系统在电网的聚合效应研究及应用示范".This work is supported by State Grid Corporation of China. （）
