This paper presents an active power filter (APF) based on adaptive filter theory. The mathematic model of the APF is derived, and the performance of the APF is analyzed.

提出一种基于自适应滤波理论的电力有源滤波器，建立了该电力有源滤波器的数学模型，对其性能进行了分析。

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The methods of harmonic suppression were introduced, such as adopting passive power filter (PPF), active power filter (APF), hybrid filter and harmonic protective device (HPD).

介绍了谐波治理的方法，即采用无源滤波器、有源滤波器、混合型滤波器及谐波保护器，举例说明了谐波保护器的应用。

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Grounded on the theory of power equilibrium, a novel single phase series active power filter (APF) is proposed.

提出一种基于功率平衡原理的串联型有源电力滤波器(APF)。

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