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1.南京工程学院电力工程学院,江苏省南京市 211167
2.南瑞集团有限公司(国网电力科学研究院有限公司), 江苏省南京市 211106
3.国网淮安供电公司,江苏省淮安市 223400
陈光宇(1980—),男,通信作者,博士,副教授,主要研究方向:电力系统运行与控制、数据挖掘等。E-mail:cgyhhu@163.com
吴文龙(1997—),男,硕士研究生,主要研究方向:电力系统运行与控制等。E-mail:wwldyxdz@163.com
戴则梅(1973—),女,硕士,研究员级高级工程师,主要研究方向:电网调度自动化应用技术。
收稿日期:2021-10-14,
修回日期:2021-12-20,
网络出版日期:2022-04-14,
纸质出版日期:2022-09-10
移动端阅览
陈光宇,吴文龙,戴则梅等.计及故障场景集的风光储混合系统区域无功储备多目标优化[J].电力系统自动化,2022,46(17):194-204.
CHEN Guangyu,WU Wenlong,DAI Zemei,et al.Multi-objective Optimization of Regional Reactive Power Reserve in Hybrid System with Wind, Photovoltaic and Energy Storage Considering Fault Scenario Set[J].Automation of Electric Power Systems,2022,46(17):194-204.
陈光宇,吴文龙,戴则梅等.计及故障场景集的风光储混合系统区域无功储备多目标优化[J].电力系统自动化,2022,46(17):194-204. DOI: 10.7500/AEPS20211014002.
CHEN Guangyu,WU Wenlong,DAI Zemei,et al.Multi-objective Optimization of Regional Reactive Power Reserve in Hybrid System with Wind, Photovoltaic and Energy Storage Considering Fault Scenario Set[J].Automation of Electric Power Systems,2022,46(17):194-204. DOI: 10.7500/AEPS20211014002.
针对高比例新能源接入背景下电网故障场景的无功储备优化问题,提出一种计及故障场景集的风光储混合系统区域无功储备多目标优化方法。首先,提出一种典型故障场景缩减方法,通过构建电压关联指标筛选有效无功源,并基于降维法和电压稳定指标获得典型故障场景集,实现对故障场景的降维。其次,给出一种基于改进聚类算法的电网分区方法,从空间维度对模型进一步降维。最后,提出一种基于典型故障场景的分区无功储备多目标优化方法,构建多目标优化模型,并给出一种改进多模态多目标进化算法进行求解,提高故障下电网电压稳定裕度。算例采用改进IEEE 39节点系统和真实电网进行仿真,结果表明,所提优化方法可以有效提高故障下系统的电压安全水平,降低系统运行风险。
Aiming at the problem of reactive power reserve optimization in fault scenarios of power grid with high proportion of renewable energy
this paper proposes a multi-objective optimization method of regional reactive power reserve in a hybrid system with wind
photovoltaic
and energy storage considering fault scenario sets. Firstly
a reduction method for typical fault scenarios is proposed
and the voltage correlation index is constructed to select effective reactive power sources. Typical fault scenario sets are obtained based on the dimension reduction method and voltage stability index to achieve the dimension reduction of fault scenarios. Secondly
a grid partition method based on the improved clustering algorithm is proposed to further reduce the dimension of the model from the spatial dimension. Finally
a multi-objective optimization method of zoned reactive power reserve based on typical fault scenarios is proposed to build a multi-objective optimization model
and an improved multi-mode multi-objective evolutionary algorithm is proposed to solve the problem to improve the stability margin of power grid voltage under faults. The calculation example adopts the modified IEEE 39-bus system and the real power grid for simulation
and the simulation results show that the proposed optimization method can effectively improve the voltage safety level of the system under faults and reduce the operation risk of the system.
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