大型梯级水电站群电能生产与电网高度互动机理研究

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1、．COORDINATIONMECHANISMFORELECTRICALENERGYPRODUCT10NOFLARGE—SCALEPOWERSYSTEMSWITHCASCADEDH丫DROELECTRICPOWERSTATlONSABSTRACTElectricenergyisthebasisofnationaleconomicdevelopmentandprotectionofnormallifeofresidents．It’Sproducedbywater,coal，oilandotherprimaryenergyco

2、nversioninordertoachievecentralizationandscaleofenergy．Thecurrentglobalenergycrisissoundedthealarmtothehumanity，theprimaryenergywhichasrawmaterialsforElectricityproductionisfacingthedangerofdepletion，usingrenewableenergyrationallyanddevelopingnewenergyis．．蝴becomi

3、ngeffectivemeanstosolvetheenergycrisisforvariouscountries’government．Thehydro—energywhichasaprimaryenergyforelectricalenergyproduction“，纠：hastheadvantageofclean，cheapandrenewable．ThejointoptimalschedulingofthehydrothermalpowersystemCantakefulladvantagesofhydro-en

4、ergyandreducetherenewableenergysourceconsumptioninthermalpowerproductionprocesswhichhasgreatsignificanceforenergysavingandemissionreductionofthewholesociety．Theinflowhascharacterofrandom，whichhascloserelationshipwiththestationoutput．Inthispaper，theStepwiseregress

5、ionandAuto—Regressioncombinationmethodwasusedtodescribetherandomcharacteristiesofinflowbasedonhistoricalstatisticaldata．Undertheinfluenceoftheuncertainfactorssuchasinflow，storageandSOon，鲥dschedulingdecision—makingprocessalsohasthecharacterofrandom．Basedontherelat

6、ionshipbetweengridschedulinganduncertainfactors，weselecttheappropriatemathematicalexpressionstodescribetherandomnatureofgridschedulingeffectively，whichgreatlyreflectstheuncertaintyofgridschedulingdecision-makingprocess．IIIForthehydrothermalfeaturesandseveraluncer

7、taintiesrollingin西dschedulingprocess，thearticleusesthetheoryofchanceconstrainedprogrammingtoconstructthemulti—objectiveoptimalschedulingmodelundertheinfluenceofstochasticcharacteristic，thenachievetheminimizetarget，includingthetotalwaterconsumptionofcascadehydropo

8、werstationsandtotalcoalconsumptionofallthermalpowerplants，bysolvingthemulti-objectiveoptimalschedulingmodel．Accordingtothetheoryofrandomchance—constrainedprogr