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1、第29卷第3期電網(wǎng)技術(shù)Vol.29No.32005年2月PowerSystemTechnologyFeb.2005文章編號(hào):1000-3673(2005)03-0033-06中圖分類(lèi)號(hào):TM714;F123.9文獻(xiàn)標(biāo)識(shí)碼:A學(xué)科代碼:790·625考慮備用需求和風(fēng)險(xiǎn)的供電企業(yè)最優(yōu)購(gòu)電計(jì)劃1122周明,李庚銀,嚴(yán)正,倪以信(1.華北電力大學(xué)電氣工程學(xué)院,河北省保定市071003;2.香港大學(xué)電機(jī)與電子工程系,中國(guó)香港特別行政區(qū))OPTIMALELECTRICITYPROCUREMENTSCHEDULEFORLOADSERVICEENTI
2、TIESINCORPORATINGWITHRESERVEANDRISKS1122ZHOUMing,LIGeng-Yin,YANZheng,NIYi-Xin(1.SchoolofElectricalEngineering,NorthChinaElectricPowerUniversity,Baoding071003,HebeiProvince,China;2.Dept.ofElectricalandElectronicEngineering,UniversityofHongKong,HongKongSAR,China)ABSTRACT:
3、TheoperationexperiencesofpresentpowerMinistryofEducation(No.20040079002)andPreliminarymarketsandtheexistingresearcheshaveproved:effectiveResearchFundforSignificantSubjectsbyNorthChinaElectricdemandsidecompetitionisessentialtolessengeneratormarketPowerUniversity.power,im
4、provethesystemreliabilityandtheutilizationKEYWORDS:Loadserviceentity;Electricityprocurement;efficiencyofpowersources.Inmostpowermarkets,Loadresourceplanning;Riskhedging;PowermarketsServiceEntities(LSE)actastheagentofconsumerstoparticipateindemandcompetition,itisthedutyo
5、fLSEfor摘要:電力市場(chǎng)的運(yùn)行實(shí)踐和已有的研究成果表明:有效的purchaseelectricityontheirconsumers'behalfbyactively需求側(cè)競(jìng)爭(zhēng)能夠削弱發(fā)電市場(chǎng)力、提高系統(tǒng)運(yùn)行的可靠性和takingpartinthecompetitionoflong-termcontractmarkets,電源的利用率。作為用戶購(gòu)電代理的供電企業(yè)是需求側(cè)競(jìng)爭(zhēng)spotmarkets,evenreservemarketswhenhavingreserve的主要參與者。為了滿足用戶電能和系統(tǒng)備用需要,供電企obligat
6、ions,sohowtoconductsuchelectricityprocurement業(yè)應(yīng)綜合考慮在長(zhǎng)期合同、現(xiàn)貨市場(chǎng)、備用市場(chǎng)上的能量分andplanningactivitiesisbecomingachallengingproblem.配和自備電廠的資源優(yōu)化利用。最優(yōu)購(gòu)電和資源規(guī)劃問(wèn)題正ThispaperresearchesLSE’selectricenergypurchaseproblem,是在這樣的背景下提出的,并已成為供電企業(yè)亟待解決的一andadoptsmoderninvestmenttheorytoproposean
7、optimal個(gè)新課題。作者對(duì)供電企業(yè)的電能購(gòu)買(mǎi)優(yōu)化問(wèn)題進(jìn)行了研modeloftheminimumpurchaseexpenditurewiththe究,運(yùn)用現(xiàn)代投資學(xué)理論,提出了以購(gòu)買(mǎi)費(fèi)用最小為目標(biāo)的considerationofaffectofvolatilitiesofspotpricesandLSE’s優(yōu)化模型,考慮了現(xiàn)貨市場(chǎng)價(jià)格波動(dòng)風(fēng)險(xiǎn)和企業(yè)的風(fēng)險(xiǎn)容忍risktoleranceonpurchaseplanningwhichisformulatedas度對(duì)購(gòu)電計(jì)劃的影響,并以風(fēng)險(xiǎn)懲罰項(xiàng)形式并入目標(biāo)函數(shù)。penaltyterma
8、ddingintheobjective.MonteCarlosimulation用蒙特卡羅仿真方法實(shí)現(xiàn)了對(duì)模型的求解。文中以加州電力algorithmisdevelopedtosolvetheobjectivemodel