Shunt single-phase active power filter

SINGLE-PHASE ACTIVE POWER FILTER

Three-phase Active Power Filter

3-phase 4-wire active power filter

Active Power Filter in Three-Phase Four-Wire System

single-phase parallel active power filter

Three-phase Four-wire Active Power Filter

active power filter filter

Three-phase Active Power

A New Design of Hybrid Active Power Filter

Active Power Filter

active power filter APF

active power filter based on DSP

Active power filter channel

Active Power Filter with series resonance injection circuit

Active Power Filter with Single Injection Circuit

APF active power filter

CURRENT SOURCE ACTIVE POWER FILTER

Current-source active power filter