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《Electric Machines and Control》 2011-05
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Study on control scheme for grid-connected inverter with LCL filter

DENG Xiang1,HU Xue-feng1,2,GONG Chun-ying1(1.College of Automation Engineering,Nanjing University of Aeronautics & Astronautics,Nanjing 210016,China;2.Key Laboratory of Power Electronics and Motion Control of Anhui,Anhui University of Technology,Ma'anshan 243002,China)  
Only single grid current closed loop is not sufficient for the stability of the grid-inverter with LCL filter.This paper proposed a dual-loop control strategy with grid current root-mean-square(RMS) and leg output current,where grid current RMS is out feedback loop,and leg output current is inner feedback loop.It verified the stability of system by using Routh-Hurwitz criterion,and system modeling and stability analysis were also presented.The proposed control scheme was verified by simulation results and experiments on a 1kVA grid-connected photovoltaic inverter based on DSP.The results show that the proposed scheme can ensure the stability of the system and the grid current performances,and achieve fast transient responses.
【Fund】: 国家重点基础研究发展计划(973计划)资助项目(2007CB210303)
【CateGory Index】: TM464
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【Citations】
Chinese Journal Full-text Database 5 Hits
1 Hu Xuefeng1 Tan Guojun2 (1.Anhui University of Technology Ma’ anshan 243002 2.College of Electrical Engineering & Information of CUMT Xuzhou 221008 China);The Multiple Control Strategy for SPWM Inverter[J];Transactions of China Electrotechnical Society;2008-04
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3 WEI Yong-qing,ZHANG Xiao-feng,QIAO Ming-zhong(Department of Electrical Engineering,Naval University of Engineering,Wuhan 430033,China);Parallel control technique of multiple inverters based reference voltage regulation[J];Electric Machines and Control;2011-02
4 YANG Yong1,SUO Ji2,QI Chun-qing2,ZHAO Chun-jiang3(1.School of Urban Railway Transportation,Soochow University,Suzhou 215021,China; 2.Department of Electronic Information Engineering,Suzhou Vocational University,Suzhou 215104,China; 3.Institute of Solar Energy,Shanghai University of Electric Power,Shanghai 200090,China);Inductance online identification control for three-phase grid-connected inverters[J];Electric Machines and Control;2011-03
5 HU Xue-feng1, TAN Guo-jun2 (1. College of Electrical Engineering & Information, Anhui University of Technology, Ma’ anshan 243002, Anhui Province, China; 2. College of Electrical Engineering & Information, China University of Mining and Technology, Xuzhou 221008, Jiangsu Province, China);Integrated Control Strategy for Inverters Based on Neural Network and Repetitive Control[J];Proceedings of the CSEE;2009-06
【Co-citations】
Chinese Journal Full-text Database 8 Hits
1 Li Fen Zou Xudong Zou Yunping Shi Jing Wu Zhenxing Wang Chengzhi Tang Jian(Huazhong University of Science and Technology Wuhan 430074 China);Input Impedance Analysis of LCL-Filter PWM Rectifier Connected to Grid[J];Transactions of China Electrotechnical Society;2010-01
2 KAN Jia-rong1,XIE Shao-jun2,LIU Ai-zhong3(1.Yancheng Institute of Technology,Yancheng 224051,China;2.Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;3.Emerson Network Power Co.,Ltd,Nanjing 210013,China);Performance analysis of parallel system using LCL filter inverter unit[J];Electric Machines and Control;2010-02
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