摘要
在分布式光伏大规模接入电力系统的背景下,为利用分布式抽水蓄能电站可与其他能源出力互补的特性,使光伏-抽水蓄能联合系统出力最大程度满足调度要求的同时减少弃光电量,建立了分布式光伏和更加符合实际运行状态的分布式抽水蓄能机组的出力模型.在此基础上建立光伏与抽蓄的联合调度模型,采用确定性转化的方法求解目标函数中含有随机变量预测误差的调度模型,并引入欧氏距离作为对于调度曲线匹配程度的度量;最后,算例仿真结果表明在所提策略在抽水蓄能配合下分布式光伏出力更好地满足调度需求,促进系统对分布式光伏发电的消纳。
In the context of the large-scale connection of distributed photovoltaic(PV)to the power system,in order to make use of the complementary characteristics of the distributed pumped storage power plant with other energy source output and maximize the output of combined PV-pumped storage system to meet the scheduling requirements while reducing the abandoned PV power,the output models for distributed photovoltaic and distributed pumped storage units that are more in line with the actual operation condi-tions are established.On this basis,a joint scheduling model of PV and pumped storage is developed and a deterministic transforma-tion approach is used to solve the scheduling model with random variable prediction errors in the objective function.The Euclidean distance is introduced as a measure of the matching degree of the scheduling curve.Finally,example simulation results show that the proposed strategy can make the distributed PV output better meet the scheduling demand with the cooperation of pumped storage,which promotes the system's consumption of distributed PV power.
作者
赵书强
王子巍
李志伟
吴博
赵蓬飞
ZHAO Shuqiang;WANG Ziwei;LI Zhiwei;WU Bo;ZHAO Pengfei(Key Laboratory of Distributed Energy Storage and Microgrid of Hebei Province,North China Electrical Power University,Baoding,Hebei 071003,China)
出处
《南方电网技术》
CSCD
北大核心
2023年第11期76-86,共11页
Southern Power System Technology
基金
河北省自然科学基金资助项目(E2020502066)
中央高校基本科研业务费专项资金资助(2020MS091)。
关键词
分布式抽水蓄能
分布式光伏
调度曲线
欧氏距离
distributed pumped storage
distributed photovoltaic
scheduling curve
Euclidean distance
