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有源滤波器(Active Power Filter,APF)较传统的无源滤波器有其突出的特点,是一种新型的谐波治理和无功补偿装置。本文介绍了有源滤波器的原理、结构,有源滤波器的发展现状,各种有源滤波器的特性及其在电力系统中的应用。目前,有源滤波器应用研究的关键还是在于提高其工业实用化水平,进一步发挥有源滤波器较无源滤波器的优点,在谐波治理和无功补偿中发挥其应有的积极作用。
Active Power Filter (APF) is a new type of harmonic control and reactive power compensation device with its outstanding features over traditional passive filters. This paper introduces the principle and structure of active filter, the development of active filter, the characteristics of various active filters and their application in power system. At present, the key of applied research of active filter lies in improving its industrial practicality, further developing the advantages of active filter over passive filter and playing its due positive role in harmonic control and reactive power compensation.