Enhanced proportional power sharing strategy based on adaptive virtual impedance in low-voltage networked microgrid

doi:10.1049/iet-gtd.2018.0051

GIEC OpenIR

	Enhanced proportional power sharing strategy based on adaptive virtual impedance in low-voltage networked microgrid
	Zhang, Jiyuan 1,2; Shu, Jie1,2 ; Ning, Jia 1,2; Huang, Lei 1; Wang, Hao 1
	2018-06-19
发表期刊	IET GENERATION TRANSMISSION & DISTRIBUTION
ISSN	1751-8687
卷号	12 期号:11 页码:2566-2576
通讯作者	Shu, Jie(shujie@ms.giec.ac.cn)
摘要	The variation of the electrical distance and the complexity of the electric network lead to the variations of feeder impedances between distributed generation units and load points. It is determined that conventional droop control has drawbacks in achieving accurate power sharing due to the effects of mismatched impedance. Therefore, this study proposes an enhanced proportional power sharing strategy based on adaptive virtual impedance in a low-voltage networked microgrid. The improved R-L type droop control can effectively prevent the coupling between real and reactive powers. Furthermore, an adaptive virtual impedance loop is introduced to counteract the feeder voltage drop. The method utilises real and reactive power mismatching which were fed into integral controllers, and then generates the virtual inductive and resistive components, respectively. This proposed strategy is able to enhance power sharing accuracy without requiring the knowledge of feeder impedance, and it is more adaptive to the complex impedance. The simulation experiments carried out under the environment of MATLAB/Simulink, and results verify the effectiveness of the proposed strategy.
关键词	distributed power generation power generation control reactive power control enhanced proportional power sharing strategy adaptive virtual impedance loop low-voltage networked microgrid electrical distance variation electric network complexity feeder impedances variations distributed generation units load points mismatched impedance improved R-L type droop control real powers reactive powers integral controllers virtual inductive components virtual resistive components MATLAB Simulink
DOI	10.1049/iet-gtd.2018.0051
关键词[WOS]	ISLANDED MICROGRIDS ; AC MICROGRIDS ; INVERTERS ; PARALLEL ; DESIGN ; ELECTRONICS ; ALGORITHM ; SYSTEM
收录类别	SCI
语种	英语
资助项目	National Key Research and Development Program[2017YFB093401] ; Guangzhou Innovation Platform and Sharing Project[201509010018]
WOS研究方向	Engineering
项目资助者	National Key Research and Development Program ; Guangzhou Innovation Platform and Sharing Project
WOS类目	Engineering, Electrical & Electronic
WOS记录号	WOS:000434679200008
出版者	INST ENGINEERING TECHNOLOGY-IET
引用统计	被引频次：30[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.giec.ac.cn/handle/344007/23600
专题	中国科学院广州能源研究所
通讯作者	Shu, Jie
作者单位	1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
第一作者单位	中国科学院广州能源研究所
推荐引用方式 GB/T 7714	Zhang, Jiyuan,Shu, Jie,Ning, Jia,et al. Enhanced proportional power sharing strategy based on adaptive virtual impedance in low-voltage networked microgrid[J]. IET GENERATION TRANSMISSION & DISTRIBUTION,2018,12(11):2566-2576.
APA	Zhang, Jiyuan,Shu, Jie,Ning, Jia,Huang, Lei,&Wang, Hao.(2018).Enhanced proportional power sharing strategy based on adaptive virtual impedance in low-voltage networked microgrid.IET GENERATION TRANSMISSION & DISTRIBUTION,12(11),2566-2576.
MLA	Zhang, Jiyuan,et al."Enhanced proportional power sharing strategy based on adaptive virtual impedance in low-voltage networked microgrid".IET GENERATION TRANSMISSION & DISTRIBUTION 12.11(2018):2566-2576.