r ro/ TITLfdNG I ITI SP TI'.[I CM KHoa v4r'Lf c0l,{c noA xA HOr cnfr Ncnia vr0r NAM E$c ldp - Tr/ do - l{4nh phric ni rni Mon : Dion *u-ri'ui doo 6' - 2oo t "Ldp , iJe.(!r3)' Thdi gian : 90 phrit. Hl r nor gran ! yu pnut,. & . )hftr* urtPYi* Trinh bly quan hQ dbng tti€n sd cdp vl tht? c6'p khi mdy bidn dp c6 tii. V€ 13idn ttd vdcto rndy bidn dp khi c6 tdi. 2. Rhi tAn;i .t Mgcrh tliQn dbn 3 pha iffu sao, m6i pha c6 1l b6ng zzov,40w, ctiQn dp ngudn Ud = 380V. Bidt pha C bi tr6ng ddy (hinh v€) a. I{f,y xdc rtinh dbng rliQn trong d6y trung tinh. b. Ndu dAy trung tinh cflng bi dfr thi dbng diQn trong cdc d6y vh rtign itp ciing nhrt' c6ng su{i't cdc b6ng dOn ti€n thu ll bao nhi€u ? * gintr v:On klsne thrdc sr't dunn t,\i !i6u . v4r'Lf c0l,{c noA xA HOr cnfr Ncnia vr0r NAM E$c ldp - Tr/ do - l{4nh phric ni rni Mon : Dion *u-ri'ui doo 6' - 2oo t "Ldp , iJe.(!r3)' Thdi gian : 90 phrit vl tht? c6'p khi mdy bidn dp c6 tii. V€ 13idn ttd vdcto rndy bidn dp khi c6 tdi. 2. Rhi tAn;i .t Mgcrh tliQn dbn 3 pha iffu sao, m6i pha c6 1l b6ng zzov,40w, ctiQn. I{f,y xdc rtinh dbng rliQn trong d6y trung tinh. b. Ndu dAy trung tinh cflng bi dfr thi dbng diQn trong cdc d6y vh rtign itp ciing nhrt' c6ng su{i't cdc b6ng