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1、第29卷第2期電力科學(xué)與技術(shù)學(xué)報(bào)Vo1.29NO.22014年6月JoURNAL0FEIECTRICPoWERSCIENCEANDTECHNOLOGYJon.2O14水電不確定條件下電力公司最優(yōu)購(gòu)電策略分析羅朝春,李湘旗,姚賽(1.國(guó)網(wǎng)湖南省電力公司,湖南長(zhǎng)沙410007;2.長(zhǎng)沙理工大學(xué)經(jīng)濟(jì)與管理學(xué)院,湖南長(zhǎng)沙410004)摘要:水電發(fā)電量由于受來(lái)水等因素的影響,具有很大的不確定性。在中國(guó)執(zhí)行國(guó)家水電電量保障性全額收購(gòu)政策的前提下,水電電量的不確定性必然對(duì)省電力公司購(gòu)電計(jì)劃的執(zhí)行與調(diào)整產(chǎn)生很大影響?;谒姴淮_定條件,建立省電力公司購(gòu)電電量決策模型;分別考慮和不考慮
2、省外非政策性購(gòu)電量情況下及不同水電發(fā)電量情景下,分析省電力公司最優(yōu)購(gòu)電策略;并在平衡相關(guān)利益主體的基礎(chǔ)上,分析策略的可操作性和有效性。結(jié)論表明:在特定的情景下,省電力公司采用謹(jǐn)慎預(yù)測(cè)水電電量和在火電企業(yè)利用小時(shí)超過(guò)標(biāo)準(zhǔn)值后按電價(jià)優(yōu)先原則購(gòu)電2種策略,可以有效地降低購(gòu)電成本。關(guān)鍵詞:水電不確定性;購(gòu)電決策模型;最優(yōu)購(gòu)電策略;火電統(tǒng)籌中圖分類號(hào):TM734;F407文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1673—9140(2014)02—0089—06Optimalelectricity。purchasingstrategyofpowercompanybasedonuncertainh
3、ydropowerLUOChao—chun,LIXiang—qi,YAOSai(1.StateGridHunanElectricPowerCompany,Changsha410007,China;2.SchoolofEconomicsandManagement,ChangshaUniversityofScienceandTechnology,Changsha410004,China)Abstract:Duetotheincomingwatereffect,hydroelectricpowergenerationhasagreatdealofun—certainty.I
4、nthepremiseofprotectingpolicythatcountrycarryingouttopurchaseallhydroelec—tricpower,theuncertaintyofhydroelectricpowerwillinevitablyhaveagreatinfluenceontheperformingandadjustingofprovincialpowercompany'spurchasingplan.Basedonsomeassump—tions,thispaperestablishedtheprovincepowerpurchasi
5、ngdecisionmodelundertheuncertaintyofhydroelectricpower.Consideringorignoringnon—policypurchasingsituationfromotherprov—ince,thispaperanalyzedtheprovince'soptimalelectricitypurchasingstrategyunderthedifferenthydroelectricpowergenerationscenes.Andonthebasisofbalancingtherelevantstakeholde
6、rsinterests,thispaperanalyzedthefeasibilityandeffectivenessofthestrategy.Theconclusionshowedthat,incertainsituations,provinceadoptedthefollowingtwostrategies,oneisbeingcautiousofforecastinghydroelectricpower,andtheotherispurchasingpowerbasedontheprior一收稿日期:20l4一O5—14通訊作者:羅朝春(1974一),男,Ig
7、~,高級(jí)工程師,主要從事電力市場(chǎng)管理與研究;E—mail:chchlu。@163.c。m90電力科學(xué)與技術(shù)學(xué)報(bào)ityofelectricitypricewhenthermalpowerenterpriseutilizationhourssurpassesthestandardvalues.Thestrategiescaneffectivelyreducethepurchasingcost.Keywords:uncertaintyofincomingwater;electricpurchasingdecisionmodel;theoptimalstra