电力系统及其自动化学报2016，Vol.28Issue(10)：67-73,7.DOI:10.3969/j.issn.1003-8930.2016.10.012
具有低电压穿越能力的光伏发电系统仿真建模
Modeling and Simulation of Photovoltaic Power System with Low Voltage Ride Through Capability
摘要
Abstract
In order to make the photovoltaic(PV)system have the capacity of low voltage ride through(LVRT)re⁃ferred in“Technical Requirements for Connecting Photovoltaic Power Station to Power System(GB 19964—2012)”,a modeling of grid-connected PV system with the capacity of LVRT is described in this paper. When a certain degree of voltage sag occurs at the point of integration,the DC link voltage can stay in the range of normal operation by using crowbar circuit. Furthermore,according to the degree of voltage sag,the PV system can output the corresponding reac⁃tive power. From the comparison between the PV product and its modeling,it can be seen that the modeling can repre⁃sent the characteristics of a PV station accurately in case of normal operation and failure. The modeling is also intuitive and adjustable.关键词
光伏发电单元/最大功率点跟踪控制/并网逆变器控制/低电压穿越控制/仿真建模Key words
unit of photovoltaic/control of maximum power point tracking/control of grid-connected inverter/control of low voltage ride through/modeling and simulation分类
信息技术与安全科学引用本文复制引用
魏承志,刘幸蔚,陈晓龙,文安,刘年,黄维芳..具有低电压穿越能力的光伏发电系统仿真建模[J].电力系统及其自动化学报,2016,28(10):67-73,7.基金项目
南方电网公司重点科技项目 （）
