Y nruab nrab yog cov menyuam yeem ntxig tawb induction motor (yav tas los ntawm J family), uas yog ntau yam tshaj yav dhau los J Series. VF yog ib qho kev txwv tswj kev ywj pheej uas yuav siv tau rau V / F tas li tswj tau hom. Tsis yog txhua tus Y Series motors haum rau cov neeg tsav tsheb uas tsis paub sib xws, yog li YVF nruab nrab yog cov Y series cov cav uas yuav siv tau rau kev tswj cov kev tswj ceev
