Control Strategy for Photovoltaic Grid-connected Inverter with LCL Filter
A new control strategy for three-phase grid-connected inverter(GCI)of photovoltaic generation system(PVGS)with LCL filter is proposed.Based on the non-linear 3rd-order model of the inverter,the robust active disturbance rejection control(ADRC),which is composed by the cascaded tracking differentiators(TD),the 4th-order extended state observer(ESO),the non-linear PID(NLPID)and the disturbance compensating is designed to enhance the steady and dynamic performances of the PVGS.Experiments on a 10kW prototype are presented to verify the advantages of the proposed approach.
PV Grid-connected inverter Robustness active disturbance rejection control
Zhang Guoyue Yin Ke Wu Yue Qi Donglian
Electrical Engineering,Zhejiang University,Hangzhou 310027 Electrical Engineering,Zhejiang University,Hangzhou 310027;School of Automation,Hangzhou Dianzi Univ
国际会议
长沙
英文
4770-4774
2014-05-31（万方平台首次上网日期，不代表论文的发表时间）