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	弱电网接入下多光伏逆变器并联运行特性分析
其他题名	Analysis on Parallel Operational Characteristics of Multi Photovoltaic Inverters Connected to Weak-Structured Power System
	严干贵; 常青云; 黄亚峰; 李龙; 于洋
来源期刊	电网技术
ISSN	1000-3673
出版年	2014
卷号	38 期号:4 页码:933-940
中文摘要	大规模光伏电站多位于电网结构薄弱的沙漠/半沙漠地带,长距离的输电线路使得电网等值阻抗不可忽略,影响光伏并网逆变器的安全稳定运行。本文以弱电网接入为研究背景,给出了多个光伏逆变器并联系统的控制模型,从电能质量、动态响应和系统稳定性3个方面分析了电网阻抗和并联数目对逆变器并联运行特性的影响,最后利用PSCAD软件对上述分析的有效性进行了仿真验证。
英文摘要	Most of large-scale photovoltaic (PV) generation stations locate at desert or semi-desert region with weak-structured power system, and long-distance power transmission makes power network equivalent impedance non-ignorable, which affects the secure and stable operation of grid-connected PV inverters. Taking the grid-connection of weak-structured power system as the research background, a control model of multi PV inverter parallel operation is given, and from three aspects, namely power quality, dynamic response and system stability, the impacts of power network impedance and number of parallelly connected PV inverters on parallel operational characteristics of PV inverters are researched. Finally, the effectiveness of above-mentioned analysis is validated by results of PSCAD based simulation.
中文关键词	电网阻抗 ; 并联光伏逆变器 ; 电能质量 ; 动态响应 ; 稳定性
英文关键词	power network impedance parallel photovoltaic inverters power quality dynamic response system stability
语种	中文
国家	中国
收录类别	CSCD
WOS类目	ENGINEERING ELECTRICAL ELECTRONIC
WOS研究方向	Engineering
CSCD记录号	CSCD:5115169
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/231021
作者单位	东北电力大学电气工程学院, 吉林 132012, 中国
推荐引用方式 GB/T 7714	严干贵,常青云,黄亚峰,等. 弱电网接入下多光伏逆变器并联运行特性分析[J],2014,38(4):933-940.
APA	严干贵,常青云,黄亚峰,李龙,&于洋.(2014).弱电网接入下多光伏逆变器并联运行特性分析.电网技术,38(4),933-940.
MLA	严干贵,et al."弱电网接入下多光伏逆变器并联运行特性分析".电网技术 38.4(2014):933-940.