考虑有源配电网可靠性和脆弱性的储能多目标规划  

Multi-Objective Planning of Energy Storage Considering Reliability and Vulnerability of Active Distribution Network

作　　者：李仁杰 罗萍萍 林济铿[2] LI Renjie;LUO Pingping;LIN Jikeng(School of Electrical Engineering,Shanghai University of Electric Power,Shanghai 200090,China;College of Electronic and Information Engineering,Tongji University,Shanghai 201804,China)

机构地区：[1]上海电力大学电气工程学院,上海200090 [2]同济大学电子与信息工程学院,上海201804

出　　处：《南方电网技术》2024年第8期39-50,共12页Southern Power System Technology

基　　金：国家自然科学基金资助项目(51177107)。

摘　　要：随着高比例可再生能源接入,配电网的可靠稳定运行受到多重不确定因素影响。为此,提出一种考虑配电网可靠性和脆弱性的储能选址定容优化方法。首先,计及风光和负荷的不确定性,通过改进K-means聚类算法和同步回代消除算法得到不确定运行场景集合。然后,优化利用储能闲置容量和功率参与能量市场和调频辅助服务市场,修正储能系统运行计划。其次,建立以配电网年综合成本、系统电量缺供期望值和配电网综合脆弱性指标为优化目标的储能多目标规划模型。同时,在考虑负荷转供的基础上,计及储能系统的可用性,利用基于优化模型的配电网可靠性评估方法计算可靠性指标。最后,采用基于Tent混沌映射与自适应变异策略的多目标差分进化算法进行模型求解。以IEEE 33节点配电系统进行算例仿真分析,通过设置不同的方案验证了所提模型及算法的优越性。As a high proportion of renewable energy is connected,the reliable and stable operation of distribution network is affected by multiple uncertain factors.Therefore,an energy storage siting and sizing optimization method is proposed that considers the reli⁃ability and vulnerability of distribution network.Firstly,taking into account the uncertainty of wind and photovoltaic power and load,the improved K-means clustering algorithm and synchronous backtracking elimination algorithm are used to obtain the uncertain operation scene set.Then,the idle capacity and power of energy storage are optimized to participate in the energy market and frequency modulation auxiliary service market,and the operation plan of energy storage system is revised.Secondly,an energy stor⁃age multi-objective programming model is established,which takes the annual comprehensive cost of distribution network,the expected value of the system power shortage and the comprehensive vulnerability index of distribution network as the optimization objectives.At the same time,considering the availability of energy storage system on the basis of load transfer,the reliability evalua⁃tion method of distribution network based on optimization model is used to calculate the reliability index.Finally,the multi-objective differential evolution algorithm based on Tent chaotic mapping and adaptive mutation strategy is used to solve the model.The advantages of the proposed model and algorithm are verified by setting different schemes through the numerical simulation analysis of IEEE 33-node distribution system.

关 键 词：储能规划 配电网可靠性 配电网脆弱性 储能调频 场景缩减 

分 类 号：TM732[电气工程—电力系统及自动化]