Read articles on APFC panels, power factor controllers, capacitor banks, electricity penalties and industrial power factor correction.
A power factor controller measures reactive demand and switches capacitor stages in an APFC panel. Correct sensing, step sizing, protection and harmonic review are essential for reliable correction.
APFC panels are widely used for stepped capacitor correction, while static var generators provide fast dynamic reactive power compensation for rapidly changing loads.
APFC panels automatically switch capacitor steps to improve power factor and reduce penalties caused by excessive reactive power demand.