摘要
配置储能系统是减少机组调峰负担、增加风电接纳空间的有效手段。该文提出一种储能辅助电网调峰的配置方案。该方案外层模型为优化配置模型,以储能系统净收益、火电机组出力标准差改善量以及新增风电接纳量指标构成多因素优化模型,采用迭代计算的方法得到配置备选集内所有方案的多因素指标,选取最优值作为兼顾技术性及经济性的储能系统配置结果。外层模型各指标依靠内层模型输出参数进行计算,内层模型为优化调度模型,综合考虑储能系统运行成本、火电机组运行成本以及弃风惩罚成本,以系统调峰运行成本最小为目标,优化系统风电接纳量,并得到储能系统充放电功率及火电机组出力。最后,基于某局部电网实测数据,验证了配置方案的有效性,并对储能系统全寿命周期内的经济性进行分析。
The configuration of energy storage system was an effective means to reduce the load of load shifting and increased the space of wind power acceptance.This paper proposed a configuration scheme of energy storage auxiliary power grid peak regulation.The scheme of outer model for optimal allocation model,the net gain in energy storage system,thermal power unit output standard errors improved the quantity and the new wind power acceptance indexed constitute a multi-factor optimization model,adopted the method of iterative calculation configured for all solutions in the selection of multi�factor index,selected the optimal value as a result of both technical and economical energy storage system configuration.Outer model output parameters to calculate each index on the inner model,the inner model for optimal operation model,considered energy storage system operation cost,operated cost of thermal power unit,and abandoned the wind punishment cost,the minimum cost of peak load regulating operation system as the goal,to optimize system wind quantity,and got the energy storage system to charge and discharge power and thermal power unit output.Finally,based on the measured data of a local power grid,the effectiveness of the configuration scheme was verified,and the economy of the energy storage system was analyzed in the whole life cycle.
作者
李军徽
张嘉辉
李翠萍
陈国航
张昊天
Li Junhui;Zhang Jiahui;Li Cuiping;Chen Guohang;Zhang Haotian(Key Laboratory of Modern Power System Simulation and Control&Renewable Energy TechnologyMinistry of Education Northeast Electric Power University,Jilin 132012 China;State Grid Zhejiang Pinghu City Electric Power Supply Co.Ltd,Pinghu 314200 China)
出处
《电工技术学报》
EI
CSCD
北大核心
2021年第19期4148-4160,共13页
Transactions of China Electrotechnical Society
基金
中央引导地方科技发展资金吉林省重点实验室基础研究专项资助项目(202002005JC)。
关键词
储能调峰
火电深度调峰
配置方案
调度策略
经济性分析
Energy storage peak regulation
thermal power depth peak shaving
allocation plan
scheduling strategy
economic analysis
