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got0ttationoft&Cb plane suchthaa liltebjecrivc fbnccioft (le..toW producdoo cost) 18 mltll mwt'l, subject 10 lhcequality eonsinin1. and the illl)' COMU1.lrm an

G\P11 and P0,,_t SP,.,SP4.-" mpcc1ivdy. Tht soluitoca alglihnl (c.t th:1s C'a.1C- b lbc- same u lB Sotdoo 2.17,l "'Ith

mi.Dor modi6cationt1.If 11oy1cDa"a11n1 t111i1 "iolaiestheaboinequality sec iu tentralioo ,ium.peetive.Jimit as givea btl&w.lnaddition., tho bl.llU>Oe' orthe load is then sbarcid bttwtttl the.ttmtining 11t1ils OCI lhebasit orequal intrcmttrtaJ COtl.

The coru.titiOM (Cit c:iptimal dis.potch wbcn loms are atgktld: BC, I ll P, " or P - SPQ, S Po.t-J

!!..EJ... ). DPo. -

for Po. -Pa..,-.

IEumpie 2..2: The fuel C'I fmKriOtl iJI R,i./ly, rorthnc lbermal plarJI$ ll't ajveo by c,400+&.4Pi +o.oo61;'. 100 s P, s600 C1=-600+8.9lP:+0.006:. 60 S S300 c,-60 +6.11P, -+0.00ill),. 1oosP; soo

what P1,PJ' and P1are in MW.NegltillbClosie'S and iacludiDggmcnuor IJmhs,dcte.,. mine dieop1Um.1 U"l o(gtl)tt*15oo oreach loeding uslfl& the hmtl\'t method.

(i) r.,-sso Mw. {ii) P11=820 MW.

... {ii} P0= 1.SOO t.tW Fer ({)Pn 55t f\\': \MTLA.B FROOllAM J'01l t:cONOHlC t.OAO DiSPATCK lte

Coat. dAu ", ... 0.006 100 'OOt

8.93 C.0042 0.00

lOOJ

no = 1('119th!COS!:; da.u.( l ,l),, for i !nQ

u.no(i ) cost do.t- i.lt r a(i}s cost d4t( i,:I);

46C1=-600+8.9lP:+0.006:. 60 S S300