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引用次数: 7
摘要
本文讨论了使用分析工具OpenDSS和CYMDIST对大型分布式光伏发电配电馈线进行建模的方法,并通过与现场测量的比较对其进行了广泛的验证。基于大量地理信息系统(geographic information system, GIS)数据的高光伏渗透率配电系统基本模型已在文献[1]中报道。在本文中,负载、变电站电压和PV输出使用来自先进计量基础设施(AMI)和数据采集系统网络(DAS)的数据,并采用区域划分方法,以更精细的分辨率进行建模。在特定条件下,如最高穿透情况下的潮流分析结果以及长时间的时间序列分析结果与现场测量结果具有良好的相关性。负荷分配过程结合[1]所述的建模过程,可以研究不同水平的分布式太阳能光伏发电对配电系统运行和设计的影响。
Modeling and validation of a distribution system with high PV penetration using zone division method
This paper discusses a procedure for modeling a distribution feeder with large-scale distributed photovoltaic (PV) generation using the analysis tools OpenDSS and CYMDIST, and its extensive validation through comparison with field measurements. The basic distribution system model with high penetration of PV based on extensive geographic information system (GIS) data has been reported in [1]. In this paper, the loads, substation voltage, and PV output are modeled at a finer resolution using data from advanced metering infrastructure (AMI) and a network of data acquisition systems (DAS), and by employing a zone division method. The results from power flow analysis at specified conditions such as highest penetration case as well as results from time series analysis over an extended period of time show good correlation with field measurements. The load allocation process combined with the modeling process outlined in [1] can be used to study the impact of varying levels of distributed solar PV on the distribution system operation and design.