面向低穿场景的配电网大规模分布式光伏静态聚类及等值建模方法

王佰盛; 苗世洪; 谭昊宇; 姚福星; 张迪; 李程昊

doi:10.19912/j.0254-0096.tynxb.2024-2012

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太阳能学报 ›› 2026, Vol. 47 ›› Issue (3) : 722-731. DOI: 10.19912/j.0254-0096.tynxb.2024-2012

面向低穿场景的配电网大规模分布式光伏静态聚类及等值建模方法

王佰盛^1,2, 苗世洪^1,2, 谭昊宇^1,2, 姚福星^1,2, 张迪³, 李程昊³

作者信息 +

STATIC CLUSTERING AND EQUIVALENT MODELING METHOD FOR LARGE-SCALE DISTRIBUTED PHOTOVOLTAIC SYSTEMS IN DISTRIBUTION NETWORKS FOR LOW-VOLTAGE RIDE-THROUGH SCENARIOS

Wang Baisheng^1,2, Miao Shihong^1,2, Tan Haoyu^1,2, Yao Fuxing^1,2, Zhang Di³, Li Chenghao³

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文章历史 +

摘要

针对目前分布式光伏低电压穿越引发脱网问题日益增多的问题,提出一种面向低穿场景的配电网大规模分布式光伏静态聚类及等值建模方法。首先,分析分布式光伏低电压穿越切换特性,提出考虑各分布式光伏电气距离和装机容量的低穿脱网风险指标;其次,将低穿脱网风险指标作为聚类依据,基于距离代价函数与K-均值聚类算法进行分布式光伏集群划分;最后,根据分布式光伏参数聚合原则,采用REI无损网络等值与Ward网络等值对配电网进行简化等值,并在PSASP中进行仿真算例对比,结果表明：面向低穿场景的配电网大规模分布式光伏静态聚类及等值建模方法可显著提升暂态仿真精度。

Abstract

Aiming at the increasing number of off-grid problems caused by low-voltage ride-through of distributed PV, this paper proposes a static clustering and equivalent modeling method of large-scale distributed PV in distribution networks for low-voltage ride-through scenarios. Firstly, we analyze the low-voltage ride-through switching characteristics of distributed PV, and put forward the low-penetration off-grid risk indices considering the electrical distance and installed capacity of each distributed PV; secondly, we take the low-penetration off-grid risk indices as the basis of clustering, and divide the distributed PV clusters based on the distance cost function and the K-means clustering algorithm; lastly, according to the principle of aggregation of the distributed PV parameters, we adopt the REI lossless network equivalence and the Ward network equivalence to lossless the distribution network. and conduct simulation in PSASP for case comparison, the results show that： large-scale distributed PV static clustering and equivalent modeling method for distribution network oriented to the low-voltage ride-through scenario can significantly improve the transient simulation accuracy.

导出引用

王佰盛, 苗世洪, 谭昊宇, 姚福星, 张迪, 李程昊. 面向低穿场景的配电网大规模分布式光伏静态聚类及等值建模方法[J]. 太阳能学报. 2026, 47(3): 722-731 https://doi.org/10.19912/j.0254-0096.tynxb.2024-2012

Wang Baisheng, Miao Shihong, Tan Haoyu, Yao Fuxing, Zhang Di, Li Chenghao. STATIC CLUSTERING AND EQUIVALENT MODELING METHOD FOR LARGE-SCALE DISTRIBUTED PHOTOVOLTAIC SYSTEMS IN DISTRIBUTION NETWORKS FOR LOW-VOLTAGE RIDE-THROUGH SCENARIOS[J]. Acta Energiae Solaris Sinica. 2026, 47(3): 722-731 https://doi.org/10.19912/j.0254-0096.tynxb.2024-2012

中图分类号： TM615

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