powerfilterBNC¹⁷³⁹⁹⁵⁺² 基本例句 un.电源滤波器；🌏滤波装置；电力滤波器；传统滤波拖板 This paper presents a new detecting approach of harmonic and reactive currents for Active PowerFilterAPF in order to meet the demand of APF, and gives the block diagram of the detecting circuit. 针对有源滤波器对谐波及无功电流检测的要求，提出了一种新的谐波和无功电流的检测方法，并给出了硬件电路框图； cnki