Control Strategy of Low Voltage Ride-Through for Grid-Connected Photovoltaic Power System Based on Predictive Current

doi:10.4028/www.scientific.net/AMM.556-562.1753

	Control Strategy of Low Voltage Ride-Through for Grid-Connected Photovoltaic Power System Based on Predictive Current
	Zhang, Mingguang; Chen, Xiaojing
	2014
关键词	asymmetrical fall grid-connected photovoltaic system predictive current PV inverter LVRT
卷号	556-562
DOI	10.4028/www.scientific.net/AMM.556-562.1753
页码	1753-1756
英文摘要	The control strategy based on predictive current is proposed to solve problems that destruct stable operation of grid-connected photovoltaic system during asymmetrical fall. A mathematical model of PV inverter is established to calculate current instruction; a method of tracking based on predictive current is proposed to reduce the fluctuations of 2 times frequency. In the meantime, PV inverter provides reactive power to support voltage recovery according to the depth of grid voltage sags and realize LVRT. The result also shows that the proposed control strategy can reduce wave of DC voltage and provide reactive power to support voltage recovery.
会议录	MECHATRONICS ENGINEERING, COMPUTING AND INFORMATION TECHNOLOGY
会议录出版者	TRANS TECH PUBLICATIONS LTD
会议录出版地	LAUBLSRUTISTR 24, CH-8717 STAFA-ZURICH, SWITZERLAND
语种	英语
WOS研究方向	Engineering ; Materials Science ; Mechanics
WOS记录号	WOS:000349448502093
内容类型	会议论文
源URL	[http://119.78.100.223/handle/2XXMBERH/36655]
专题	电气工程与信息工程学院
通讯作者	Zhang, Mingguang
作者单位	Lanzhou Univ Technol, Sch Elect Engn, Lanzhou 730050, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Mingguang,Chen, Xiaojing. Control Strategy of Low Voltage Ride-Through for Grid-Connected Photovoltaic Power System Based on Predictive Current[C]. 见:.