TRUING DAI HOC Slf PHAM KY THUAT
THANH PHO HO CHI MINH
K H O A C O K H I M A Y
B 0 M O N CO NG N G H E C H E T A O M A Y
DE THI CUOI KYHK1- NAM HOC 2019-2020
Mon: TRANG BI DDT TRONG MCN
Ma mon hoc: EEEI321925
De so/Ma de: 02/19 - De thi co 02 trang
Thai gian: 60 phut
KHONG duoc phep sir dung tdi lieu
Cau 1: (2.5 diem)
Clio so do mach ham dong co' khong dong bo ba pha bang dien co nlnr hinh ben duoi:
a) Hay xem xet so do dien da cho co hoan chinh khong? Neu khong hay hoan chinh
lai so do mach dien (si'ra doi, them cac khi cu dien phii hop va ve so do mach nidi
veto giciy thi) (1,75 diem).
b) Trinh bay nguyen ly hoat dong cua mach dien tren theo mach dien da ve si’ra lai
Cau 2: (4,0 diem)
He thong dien khien may gom 02 dong co khong dong bo ba pha Ml, M2 (380V/50Hz).
Dong co Mi khoi dong true tiep, dong co M
2
dirge khoi dong gian tiep bang phuong phap
doi noi sao - tarn giac. Hay thiet ke mach dong luc va mach dieu khien theo yeu cau sau:
+ Nhan nut START, ca hai dong co Mi va M
2
bat dau boat dong;
+ Thoi gian de dong co M
2
chuyen tir noi sao sang tarn giac la 6s;
+ Nhan nut STOP de dung hoat dong cac dong co theo chu trinh sau: dong co Mi
dung hoat dong truoc, sau thoi gian 30s dong co M
2
dung boat dong.
+ Cac khi cu dien khac tu chon.
Can 3: (3.5 diem)
• Lap trinh PLC (ngon ngu LD) de dieu khien hai dong co' khong dong bo ba pha
(380V/50Hz) theo cac yen cau nlur 6 cau 2. Hay thuc hien cac noi dung sau:
+ Thi6t k6 (ve) mach dong luc cho cac dong co tren; (0.75 diem)
+ Lap bang cap phat dja chi (Symbol Table) (0.25 diem);
+ So do dau noi PLC (0,5 diem);
+ Viet chuong trinh dieu khien dang LD (2,0 diem)).
So hieu: BM l/QT-PDBCL-RDTV Trang: 1/2
Chuan dau ra ciia hoc phan (ve kien thirc) Noi dung idem (ra
[G l. 1 ] Nguyen ly can tao, each sir dung cc'tc tool khi cu then phu bien
[(12.2] Kha nang plum lich. kien thirc ve cac much Chen, due hieu nguyen H haul
dong, d ig die much dien car ban
Cau 1
[G l.2 ] Dong ca dien va co so Iruyen dong dien
/G -t.l] Doc hieu, van hcinh dim e ede I rang hi dien - dien lir Iren cue may cung
nghiep
Cau 2
[G2.3 / Thiel ke dime mol so dang much Iruyen dong dien Cau 3
[G 1.4 ] Kien /hire ve thiel bj dieu khien lap trinh PLC
[G 2 .1 / Co kha nang lap trinh dieu khien vai PLC
[G2.3 / Thiel ke dime much dien ket hap PLC
Can 4
Ngay/f^ thang A\ nam2019
Thong qua bo mon
(ky va ghi ro ho ten)
S6 hieu: BM 1/Q T-P DBC L-R DTV Trang: 2/2