有源滤波器的最优安装点和检测点的研究

Research on Optimal Location and Detection Point of Active Power Filter

有源滤波器和并联电容器组在系统中安装位置的不同,混合补偿系统有2种典型的电路结构类型。由于电路结构类型及有源滤波器所采取的谐波电流检测点的不同,有源滤波器投入后可能会使系统因谐振作用而不能正常工作。建立配电网及混合型有源滤波器的等效模型和传递函数,分析有源滤波器最优安装点和检测点的选择方法对系统谐波的抑制作用。仿真结果验证了理论分析的正确性。

The installation location of active power filter and shunt capacitor bank is different, and there are two typical circuit structure types in the system. Due to the different types of circuit structure and harmonic current detection point, the active power filter input may cause the system can not work properly because of the resonance effect. The equivalent model and transfer function of HAPF are established to analyze the system harmonic inhibition of the select method on the optimal installation point and testing point for active power filter. The validity of the developed method is verified by the simulation results.