知识与财富的链接
提出了一种混合有源滤波器（HAPF）,由小功率有源滤波器（APF）和单调谐无源滤波器（PF）组成,用于抑制工厂供电系统的谐波谐振。传统的PF为了满足失谐情况下的滤波要求,不得不降低调谐税度Q而牺牲滤波效果。文中所提方法通过对APF的控制,可以无限提高PF的品质因数,有效地改善PF的滤波效果,实验结果验证了HAPF的可行性和有效性。
This paper proposes a hybrid active power filter consisting of a sm all- rated active power filter and a single- tuned passive filter.It can efficiently dam p harmonic resonance in industrial power system.The traditional passive filter PF has to decrease its factor quality to satisfy filter request at the costof the dam ping effect of the harm onic resonance.The m ethod proposed in this paper can infinitely increase the factor quality of PF by properly controlling the active power filter,and then the harmonic resonance is significantly m itigated.Furtherm ore,experim ental results verify the feasibility and effectiveness of the hybrid active filter.
