Imbaraga (PF) ni igipimo cyimbaraga zakazi, zapimwe muri kilowatts (kilowati), nimbaraga zigaragara, zapimwe muri kilovolt amperes (kVA). Imbaraga zigaragara, zizwi kandi nkibisabwa, ni igipimo cyingufu zikoreshwa mugukoresha imashini nibikoresho mugihe runaka. Biboneka mugwiza (kVA = V x A)