考虑调峰辅助服务的虚拟电厂日前运行优化研究  

Virtual Power Plant Day-ahead Operation Optimization Considering Peak Shaving Auxiliary Service

作　　者：耿健 金玉龙 杨宇峰 曹敬[1,2] 武锡锦 GENG Jian;JIN Yulong;YANG Yufeng;CAO Jing;WU Xijin(NARI Group Corporation(State Grid Electric Power Research Institute),Nanjing 211106,China;NARI Technology Co.,Ltd.,Nanjing 211106,China)

机构地区：[1]南瑞集团(国网电力科学研究院)有限公司,江苏南京211106 [2]国电南瑞科技股份有限公司,江苏南京211106

出　　处：《山东电力技术》2024年第12期44-52,共9页Shandong Electric Power

基　　金：南瑞集团有限公司科技项目“现货市场环境下虚拟电厂运营管控关键技术及系统研发”(SGNRGFNKKXJS2235582)。

摘　　要：随着可再生能源大规模发展,电网安全保供压力愈发严峻,亟须充分挖掘用户侧可调资源,以市场化手段积极引导发、用、储侧资源通过虚拟电厂方式参与电网友好互动运行,提升电力系统整体可靠性及灵活性。首先,分析虚拟电厂作为新型市场主体参与调峰辅助服务交易的运行方式,提出了虚拟电厂此场景下运行模式架构和业务流程。其次,基于用户侧分布式储能、冷热电三联供系统、可调电负荷特性,构建了虚拟电厂典型可调节聚合资源模型。然后,以虚拟电厂综合收益最优为原则,构建了日前运行优化目标函数模型,在计及冷热电平衡约束、设备运行限制约束条件下,对运行优化目标高效快速求解。最后,利用某虚拟电厂夏季典型日、考虑分时电价进行算例分析,在满足冷热电多元用能需求下实现了综合效益最大化,验证了采用优化策略运行方式的普遍适用性。With the large-scale development of renewable energy,pressure on the safety and supply power grid is becoming increasingly severe.It is urgent to fully tap into user-side adjustable resources,actively guide the generation,consumption,and storage to participate in friendly interactive power grid operation through VPP,and improve the power system flexibility and reliability.Firstly,the operation mechanism of VPP participating in peak shaving auxiliary service transactions was analyzed,and the operation architecture and business processes were proposed.Secondly,based on the characteristics of storage,CCHP,and adjustable electrical load,a typical controllable resource model for VPP was established.Then,the day-ahead optimization objective model was constructed based on the comprehensive income principle.In view of cold-heat,-power balance and equipment operation constraints,the optimization objective was efficiently and quickly solved.Finally,using a VPP typical summer day and considering the time-use electricity price for case analysis,the comprehensive benefits were maximized while meeting the diverse energy demands and verifying the effectiveness of the proposed optimization strategy.

关 键 词：虚拟电厂 市场交易 运行优化 综合效益 

分 类 号：TM73[电气工程—电力系统及自动化]