Active power filter (APF) is regarded as an effective way to correct power harmonic.
有源电力滤波器(APF)是治理电网谐波的一种行之有效的方法。
Objective: To evaluate the clinical application of power harmonic imaging in the liver space occupying lesions.
目的:了解能量谐波成像对肝脏占位病变的应用价值。
The digital harmonic detecting method based on this kind of filter can be used in any kind of power harmonic compensation system.
基于此滤波器设计的数字谐波检测方法可用于任何一种电力系统的谐波补偿装置中。