新型混合型有源电力滤波器及其控制方法

摘要

提出了一种能应用在中高压系统的新型混合型有源电力滤波器,并提出一种新的直接功率控制算法.首先给出了新型混合型有源电力滤波器的拓扑结构,并通过其电气模型得到系统的传递函数,利用传递函数分析了该滤波系统的滤波原理及谐波抑制能力.利用Routh判据对该滤波系统的稳定性进行分析,验证该系统能稳定运行.同时研究了一种新的直接功率控制算法,通过仿真实验,验证了该滤波系统和控制算法的有效性.%This paper proposed a new hybrid APF ( NHAPF), which could be applied in high voltage system.This paper also proposed a new direct power controlling method for NHAPF.Gave the topology of NHAPF, whose transfer function was obtained by its electric model.Analyzed the compensating principle and capability of NHAPF with the transfer function.Also analyzed the stability of the system by Routh criteria.It researched a new direct power control.Simulation experiment shows the validity of the compensating system and the controlling method.