摘要
【目的】为解决高渗透率新能源的接入给新型配电网造成的运行安全问题,联合智能软开关、多类型共享储能多种灵活性设备,提出了计及灵活性不足风险的配电网智能软开关与多类型共享储能协调优化运行方法。【方法】首先,阐述了智能软开关与多类型共享储能灵活性资源的灵活调节机理,构建了基于条件风险价值的灵活性不足风险指标。其次,综合考虑灵活性、安全性及经济性指标,建立了新型配电网智能软开关与多类型共享储能协调优化模型。最后,在改进的IEEE 33节点系统对所提出的方法进行测试。【结果】所提出的计及灵活性不足风险的新型配电网智能软开关与多类型共享储能的协调优化方法,能够充分应对新能源出力的波动性和负荷需求的随机性,有效降低新型配电网的有功损耗,提高新型配电网运行的灵活性、安全性与经济性。【结论】所提出的灵活性优化模型将为新型配电系统灵活调度提供较高的实际参考价值。
[Objectives]To address the operational security issues in the new-type distribution network caused by the highpenetration integration of renewable energy,this paper proposes a coordinated optimization method for intelligent soft open points and multiple types of shared energy storage,by integrating these flexible devices while considering the risk of flexibility deficiency.[Methods]Firstly,the flexible regulation mechanism of flexible resources,including intelligent soft open points and multiple types of shared energy storage,is elaborated,and a flexibility deficiency risk indicator based on conditional value at risk is constructed.Secondly,considering flexibility,safety,and economy,a coordinated optimization model for intelligent soft open points and multiple types of shared energy storage in the new-type distribution network is established.Finally,the proposed method is tested on an improved IEEE 33-bus system to verify its effectiveness.[Results]The proposed coordinated optimization method for intelligent soft open points and multiple types of shared energy storage,considering flexibility deficiency risk,can fully cope with the volatility of renewable energy output and the randomness of load demand,effectively reduce active power loss of the new-type distribution network,and enhance its flexibility,safety,and economy.[Conclusions]The proposed flexibility optimization model provides significant practical reference value for flexible scheduling of new-type distribution systems.
作者
王杰
徐立军
李笑竹
樊小朝
古丽扎提·海拉提
王维庆
WANG Jie;XU Lijun;LI Xiaozhu;FAN Xiaochao;GULIZHATI·Hailati;WANG Weiqing(Key Laboratory of Green Hydrogen Production,Storage and Utilization Technology in Xinjiang(Xinjiang Institute of Engineering),Urumqi 830023,Xinjiang Uygur Autonomous Region,China;School of Electrical Engineering,Xinjiang University,Urumqi 830017,Xinjiang Uygur Autonomous Region,China)
出处
《发电技术》
2025年第4期758-767,I0002,共11页
Power Generation Technology
基金
国家自然科学基金项目(72361033)
新疆天山英才青年科技拔尖人才项目(2022TSYCCX0053)
新疆自治区天池英才青年博士计划(2024XGYTCYC12)
新疆工程学院博士启动基金(2024XGYBQJ01)~~
关键词
新能源
新型配电网
智能软开关
多类型共享储能
灵活性
条件风险价值
renewable energy
new-type distribution network
intelligent soft open point
multiple types of shared energy storage
flexibility
conditional value at risk
