电机与控制应用2016，Vol.43Issue(1)：17-21,5.
LCL并网逆变器准比例谐振与网压前馈控制研究
Control Strategy of LCL-Filtered Grid-Connected Inverter Based on Quasi-Proportional Resonant and Grid Voltage Feed-Forward
摘要
Abstract
Aiming at solving a problem, which there are static error and a weak anti-interference performance when traditional LCL grid-connected inverter track AC current signal, a novel LCL grid-connected inverter control strategy was proposed. The control strategy was composed of an inner loop of the inductor feedback current of inverter side, feed-forward of grid voltage and an outer loop of the grid-current which employs Quasi-proportional resonant controller to improve the accuracy of control system. Meanwhile, the inductor feedback current of inverter side was applied to damp the resonance peak of LCL filter. In addition, the control strategy introduced grid voltage feed-forward so that it improved system response speed and dynamic performance when grid voltage distortion causes. Finally, the simulation and experiment results showed the proposed control strategy had a significant advantage in the zero static error tracking and anti-disturbance of grid voltage.关键词
LCL并网逆变器/准比例谐振控制器/电网电压前馈控制/静差Key words
LCL grid-connected inverter/quasi-resonant proportional controller/grid voltage feed-forward/static error分类
信息技术与安全科学引用本文复制引用
潘嘉进,刘彦呈,孙赫男,张勤进,刘厶源..LCL并网逆变器准比例谐振与网压前馈控制研究[J].电机与控制应用,2016,43(1):17-21,5.基金项目
中央高校基本科研业务费专项资金资助(3132014300) （3132014300）
