基于典型故障类型的分布式光伏并网对电压稳定性的影响  

Influence of Photovolic Grid on Voltage Stability Based on Typical Faults

作　　者：范宏[1] 周献远 

机构地区：[1]上海电力学院电气工程学院,上海200090

出　　处：《上海电力学院学报》2016年第5期478-484,共7页Journal of Shanghai University of Electric Power

基　　金：国家自然科学基金(51307104)

摘　　要：为了准确分析分布式光伏并网对电压稳定的影响,针对光伏阵列,给出了一种基于实时数字仿真仪(RealTime Digital Simulator,RTDS)软件平台的光伏并网建模方法.介绍了光伏发电的原理,对分布式光伏并网系统接入电网的方法进行了详细分析和研究.然后,基于光照强度和环境温度在RTDS软件平台上搭建了一个光伏发电并网模型,对光伏并网系统进行了仿真研究.仿真结果表明,不同的系统故障状态下,光伏并网对公网侧和并网侧电压稳定性的影响不同.In order to analyze distributed photovoltaic（PV） grid influence on voltage stability accurately,for the photovoltaic array,a photovoltaic（PV） grid modeling method based on the RTDS software platform is given.Firstly,the principle of photovoltaic power generation is introduced briefly.A detailed analysis and research is conducted in the light of the method of distributed photovoltaic（PV） grid system connected to the electricity grid.Then,when building a model of grid-connected photovoltaic（PV） on the RTDS software platformon on the basis of light intensity and ambient temperature,the effects on the photovoltaic（PV） grid system are studied through simulation.The simulation results show that voltage stability on public network side and grid-side are different according to different system fault condition.

关 键 词：光伏并网 实时数字仿真仪 电压稳定 

分 类 号：TM615.2[电气工程—电力系统及自动化] TM712