三峽梯級(jí)短期優(yōu)化調(diào)度與航運(yùn)的不穩(wěn)定流研究.pdf

1、華中科技大學(xué)碩士學(xué)位論文三峽梯級(jí)短期優(yōu)化調(diào)度與航運(yùn)的不穩(wěn)定流研究姓名：吳曉黎申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：水利水電工程指導(dǎo)教師：張勇傳20040509IIABSTRACTThetempalspatialdistributionofhydroenergyresourcediffersgreatlyinChina.Thereisremarkablecompensationbenefitbetweenhyowerthermalpoweraswell

2、asreservoirgroup.WiththegenerationofThreeGgesthefmationofthewholepowerwksinChinaitisnecessarytodeployanoptimalcompensativeoperativeamongreservoirgroupsmultiareareservoirgroupswhichbasedontheasynchronousruleofincomingflow

3、fromdifferentreservoirs.Thegoalofcadeoptimaldispatchingistogainthemaximaleconomicbenefitfromthewholecadehydroenergyundertheconstraintsoftheoperationofhylant.Ontheotherhsincemostofthenationalinternationalresearchesontheec

4、onomicoperationofhylantconsideredtheinfluenceofthedownriverunsteadyflowonthenavigationcausedbystationpeakshavingonlyinsimplewaythegainoperationmodeisnotlikelytobeglobaloptimal.Intheproblemoftheoperationofhydroplantcadehy

5、lantinmainrivercourseitisveryimptanttostudytheinfluenceoftheunsteadyflowongenerationnavigationwhichresultsfrompeakshavingthentomakeareasonablegenerationnavigationdailyplan.Followingthetracepresentedabovethisthesiscombini

6、ngthetwopracticalprojects“ThreeGgesCadeHyowerUnitScheduling”“ThreeGgesCadeDecisionSupptSystem”studiedthemodelalgithmofcadeshttermoptimaloperationdiscussednavigationproblemgainedsomereferencedresult.Atfirstthethesissummar

7、izedcadedreservoiroptimaloperation.Reviewedthecurrentoptimaltheiesmethodswepointedoutthemeritsshtcomingsofeachmethod.wedescribedbrieflyaboutunsteadyflowproblem.Therearetwomainpartsinthisthesis.Firstlythecalculatingmethod

8、detailedrealizingprocessaboutcadeoptimaloperationwasintroduced.ThemodelwhenthehourlyreleasesofGezhoubaarefixedwasdiscussedcompletely.Thismodelwasdividedintothreesubmodelsthetargetfunctionsare:1)gainingdailymaximumpowerge