Active Harmonic Filters (AHF): A Simple Guide to Cleaner Electricity Electricity is part of our daily life. It powers factories, schools, hospitals, shopping centers, and homes. Today, many devices such as computers, chargers, elevators, solar systems, and electric vehicles use advanced electronics. While these devices are useful, they can also make electricity “messy” and harder to co...
Active Harmonic Filter vs Passive Harmonic Filter Modern facilities depend on equipment that improves efficiency and control, but that same equipment often creates serious power quality problems. In an industrial power system, nonlinear loads such as variable frequency drive units, rectifiers, UPS systems, welders, and switched-mode power supplies can generate harmonic distortion. Once harm...