Indorerezi ya PFC (Power Factor Correction) mumashanyarazi ni ugufasha muguhindura umubano hagati yicyiciro na voltage, bityo bikazamura imbaraga zumuzunguruko. Mubihe aho imbaraga zingufu ziri hasi, hashobora kubaho umubare utari muto wo gutakaza ingufu zidasanzwe muri sisitemu, biganisha kumikorere idahwitse. Kumenyekanisha indangururamajwi ya PFC kugirango ikosore ibintu bifasha kugabanya iki gihombo cyamashanyarazi, byongera imikoreshereze myiza yingufu zamashanyarazi.