TRNG I HC BCH KHOA H NIVIN KINH T V QUN L *

BI TP LN MNKINH T VN HNH H THNGGio vin hng dn: TS. Phan Diu HngNhm sinh vin thc hin: NHM 5H v tnMSSV

Lp

Nguyn Th Hng20106164KTCN- K55

Nguyn Hu Khi20091484KTCN- K54

Nguyn Hi Thanh 20106217 KTCN- K55

Phm Th Minh Hng20106264KTCN- K55

Hong Tin Huy20106179KTCN- K55

Quch Trung Ngha20106203KTCN- K55

Nguyn Th Thu H20106165KTCN- K55

L Thu Hng20106162KTCN- K55

Th Hoa20106176KTCN- K55

Nguyn Th Ha20106258KTCN- K55

V nh Tho20104771

L Vn Thng20104824KTCN- K55

Nguyn Thnh Trung20104796

Bn nh gi cng vic cc thnh vin trong nhm

Thanh nh gi nh!!

Bi 1: Mt h thng in c 5 nh my nhit in v 1 nh my thy in. c tnh ca cc nh my c cho bng di y:Nh myDng nhin liuChi ph vn hnh(104$/MWthng)Cng sut (MW)

AThan 0.7150

BDu 2.0200

CNguyn t0.6150

DKh 0.9100

EDu1.8200

FThy in-200

in nng pht ra t nh my thy in cho php l 150MWthng. ng ph ti khai trin l ng thng t 750MW xung 300MW.Gi s c mt nh my mi chy than cng sut 100 MW c chi ph vn hnh l 0.8 cent/Kwh c a vo h thng th vic sp xp cc nh my trong th ph ti c g thay i? Chng minh bng tnh ton.Vic pht in t nh my chy du s c g thay i?Chi ph ca h thng s thay i nh th no?V th ng chi ph bin ngn hn theo ph ti h thng.Khi nh my thy in tng hoc gim kh nng pht in nng 1 MWthng th h thng c g thay i?GiiTH1: Khi nh my mi chy than cha a vo h thng Phm vi lm vic kinh t nht ca nh my thy in+ nu nh my thy in chy nn: tn dng ht cng sut ca nh my th nh my phi sn xut mt lng in nng:200 x 1 = 200 MW thng.Lng in nng ny vt qu 150 MW thng l gii hn cho php ca nh my thy in. Do , khng cho php chy c. tn dng ht kh nng pht in cho php th cng sut pht ca nh my:150/1 = 150 MW