并联型电力有源滤波器的数学模型和稳定性分析

The Mathematical Model and Stability Analysis of Shunt Active Power Filter

在介绍并联型电力有源滤波器及其控制方式的基础上，提出了并联型电力有源滤波器的数学模型，并对其稳定性进行了分析。其中主要提出了使用校正环节提高并联型电力有源滤波器稳定性的方法，并讨论了该校正环节的参数对电力有源滤波器稳定性及补偿性的影响，实验结果验证了上述理论分析的正确性。

This paper proposes the mathematical model of shunt active power filter(APF)on the basis of the introduction of APF and its control methods,theoretical analysis of the stability of APF is also provided.The method of how to use adjustment block to improve the stability of APF and how the parameters of the adjustment block affect the harmonic compensation characteristics and the stability of APF are presented.The validity of the proposed mathematical model and method is demonstrated by the results of experiment.