APFs as they are more commonly referred to are relatively recent additions in electric systems designed to help enhance power quality through harmonic and reactive power mitigation. Their method of operation relies on making real time compensations to changes in an electrical system in order to ensure that the power provided is clean and stable. This feature in its usage protects delicate devices and also improves the overall performance of the system which means that APFs are particularly important for industries that seek to maximize on their energy use and lower the operational costs.