一种单相 LCL 型并网逆变器新型谐波阻尼策略设计

摘要

在构建 LCL 型并网逆变器控制数学模型的基础上，针对 LCL 型并网逆变器出现的谐振尖峰问题，提出了有源阻尼控制策略，并对控制系统参数特性进行了设计，以及采用电网电压前馈补偿方法提高了系统控制性能。%On the basis of building LCL type and inverter control mathematical model and LCL resonant peaks problem appearing in grid-connected inverter type,active damping control strategy was presented,and characteristics of the control system parameters were designed,and the grid voltage feed forward compensation method was used to improve system con-trol performance.