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为了改善光伏并网逆变器的动态性能 ,在利用其d q模型体现并网逆变器非线性特征基础上 ,应用状态反馈线性化方法设计了一种非线性控制器 ,以低消其d q模型的非线性。这种方法解耦了线电流中的有功和无功分量 ,从而实现了并网逆变器有功、无功分量的独立控制。基于Matlab语言的仿真表明 :该方法比常规的线性控制策略具有更好的动态性能
In order to improve the dynamic performance of photovoltaic grid-connected inverters, based on the dq model which reflects the nonlinear characteristics of grid-connected inverters, a nonlinear controller is designed by using state feedback linearization method. The dq model Non-linearity. This method decouples the active and reactive components in the line current, so as to realize the independent control of the active and reactive components of the grid-connected inverter. The simulation based on Matlab language shows that this method has better dynamic performance than the conventional linear control strategy