并联有源电力滤波器新型控制策略仿真研究

三相三线并联有源电力滤波器(APF)能够实时地补偿谐波电流和无功电流。控制器作为APF的核心部件，它的性能好坏直接影响到APF的补偿效果。而影响控制器动态性能的关键因素是控制算法。考虑到APF的数学模型在dq 坐标系下，是一个非线性耦合系统，首先采用逆系统方法将原系统线性化解耦，构造出伪线性系统。然后，再运用变结构控制，设计出这个伪线性系统的变结构控制律。最后，建立了APF的仿真模型对其进行仿真试验。试验结果表明，基于此控制策略设计出APF的控制器能使有源滤波器具备良好的补偿效果。

Simulation research on shunt active power filter with a novel control method

Three-phase three-line shunt Active Power Filter (APF) can be used to restrain harmonic current and compensate reactive power current on-line. The controller of APF is a core. Its performances play a key role in APF with excellent functions,and a control method is a critical point for designing the controller. Considering that APF is a coupling nonlinear system in synchronous rotating dq coordinate system,this paper proposes a novel control method:firstly the original system model of APF is linearized and d...