liemthanhnguyen
Thành Viên [LV 0]
Chao!
co the cho minh hoi hai van de nay mot ti nhe, thanh that cam on truoc.
1/Tai sao duong kin day dan trung tin cua cap nguon 3 pha thi day trung tin duoc san xuat nho hon day pha.(vl du: 3*10 + 1*0,6)ben ngoai vo day hgi nhu the do, minh nghi khi hoat dong thi dong dien deu chay tren ca day pha day trung tin deu nhu nhau ma, tai sao lai san xuat nho hon.
2/Neu khi lap dat duong kin day trung tin, day noi dat nho hon day pha nhieu lan co sao khong, lam sao minh co the biet duoc no co phu hop khong, hay bat buob khi thiet ke phai chon tat ca day pha , trung tin, va day noi dat duong kin deu phai bang nhau.
Chan thanh cam on cac ban, mong giup do
co the cho minh hoi hai van de nay mot ti nhe, thanh that cam on truoc.
1/Tai sao duong kin day dan trung tin cua cap nguon 3 pha thi day trung tin duoc san xuat nho hon day pha.(vl du: 3*10 + 1*0,6)ben ngoai vo day hgi nhu the do, minh nghi khi hoat dong thi dong dien deu chay tren ca day pha day trung tin deu nhu nhau ma, tai sao lai san xuat nho hon.
2/Neu khi lap dat duong kin day trung tin, day noi dat nho hon day pha nhieu lan co sao khong, lam sao minh co the biet duoc no co phu hop khong, hay bat buob khi thiet ke phai chon tat ca day pha , trung tin, va day noi dat duong kin deu phai bang nhau.
Chan thanh cam on cac ban, mong giup do