Active power filter is the equipment used to dynamically clearing up harmonic and compensating reactive power, and APF has a fine prospect. Control of APF is very important to affect active signal filter performance.

• 有源电力滤波器(APF)是一种用于动态抑制谐波和补偿无功功率的新型电力电子装置,有着非常广阔的发展前景,而有源滤波的控制是影响有源滤波器性能的重要因素。