"I-PFC" sisishunqulelo se "Power Factor Correction", ibhekisa kuhlengahlengiso ngesakhiwo sesekethe, ngokubanzi iphucula into yamandla kwisekethe, ukunciphisa amandla asebenzayo kwisekethe, kunye nokuphucula ukusebenza koguqulo lwamandla.Ukubeka nje, ukusebenzisa iisekethe ze-PFC kunokonga amandla amaninzi.Iisekethe ze-PFC zisetyenziselwa iimodyuli zamandla kwiimveliso zamandla okanye izixhobo zombane.