分段竞价在区域电力市场中的应用方案

1,1,2,1,1(1.,710049;2.,710048):,,;,,;,,,,87,,:;;:TM73;F123.9:2008212222;:2009202213(973)(2004CB217905)0,Schweppe[1],,,,,,,,[2],,,,,,,,,[3],[426],[7],,,,1:11Fig.1Flowchartofblockbiddingoperationofregionalmarket,743392009510Vol.33No.9May10,2009©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1],,,3,,;,,[4]2:,3(a);,3(b)2,,3(b);,3(a)3(a),,,,3(b),2,3Fig.3Blockingmethodofloadcurve3,(,),,,[8],,,1,2,3,,[9],44Fig.4Sketchofloadsectionbetweenprovinces,,,,,,,,,,842009,33(9)©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[6],,,,/,,Pr,b(t)t,,,,,,5,,5Fig.5Arrangementflowchartofsectionloadconstraintsbetweenprovinces,,4,,,,[10],55.1,[10]:minC=Ll=1Rr=1Iri=1(l)pi,r(l)(1):L,3;R;Irr;(l)l;pi,r(l)ril5.21):Rr=1Iri=1pi,r(l)=Pd(l)(2)Rr=1Iri=1pi,r(t)=Pd(t)(3)2):pi,r,minpi,r(l)pi,r,max(4)3):-Pr,b(t)Iri=1pi,r(t)-Pd,r(t)Pr,b(t)(5):Pd(l)l;Pd(t);pi,r,minpi,r,max;Pd,r(t)rt;Pr,b(t)(2),,;(3),,,;(4),;(5),,Pr,b(t),,,66.194,©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(8),,,1Table1Blockpriceofeachsub2area/((MWh)-1)127532533522552702759Fig.9Hourlypricedividedfromblockbiddingresult,,22Table2Comparisonbetweenblockbiddingandhourlybidding/6552.406738.528,,,,,7,,,,,,,052009,33(9)©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1]SCHWEPPEFC,CARAMANISMC,TABORSRD,etal.Spotpricingofelectricity.Dordrecht,Netherlands:KluwerAcademicPublishers,1988.[2]..,2001,21(12):126.WANGXifan.Blockbiddingmodelbasedpowermarket.ProceedingsoftheCSEE,2001,21(12):126.[3],..,2003,27(2):22226.WANGXifan,GENGJian.Comparisonsbetweenhourlybiddingandblockbiddingrules.AutomationofElectricPowerSystems,2003,27(2):22226.[4],,,..,2003,27(23):12216.XIAOMing,LILinchuan,SUNWei,etal.Realizationoftheclearingpricecalculationalgorithminblockbiddingelectricitymarkets.AutomationofElectricPowerSystems,2003,27(23):12216.[5]ZHANGX,WANGX,SONGY.Modelingandpricingofblockflexibleelectricitycontracts.IEEETransonPowerSystems,2003,18(4):138221388.[6],,..,2007,27(4):125.LILinchuan,GULimei,ZHAOSenlin.Electricitymarketclearingalgorithmconsideringcongestioneliminationbasedonblockbiddingmodel.ElectricPowerAutomationEquipment,2007,27(4):125.[7],,,..,2003,27(9):125.FUShuti,BAIXiaomin,ZHANGYang,etal.Regionalpowermarketmodesandtheiroperation.AutomationofElectricPowerSystems,2003,27(9):125.[8],..,2005,29(21):124.FUShuti,WANGHaining.Anexplorationonregionalcommonelectricitymarketdesign.AutomationofElectricPowerSystems,2005,29(21):124.[9],,,..,2006,40(10):112521128.WANGLiyong,ZHANGBaohui,WANGKeqiu,etal.Transmissionsectioneconomicavailabletransfercapabilitywithsecurityconstraint.JournalofXipanJiaotongUniversity,2006,40(10):112521128.[10],,..,2003,37(6):5992603.GENGJian,WANGXifan,CHENHaoyong.Marketoperationmodel,rulesandmodelsforblockbiddingpowermarket.JournalofXipanJiaotongUniversity,2003,37(6):5992603.(1976),,,,,:E2mail:[e-mail](1936),,,,:(1963),,,:AnApplicationSchemeofBlockBiddingTheoryinaRegionalPowerMarketWANGJianxue1,WANGXifan1,CHENTianen2,ZHOUXin1,WANGJing1(1.XianJiaotongUniversity,Xian710049,China;2.PowerExchangeCenterofNorthwestElectricPowerCompany,Xian710048,China)Abstract:Basedontheblockbiddingtheoryprinciplesandmodels,thedifficultiesofapplyingblockbiddingtheoryinregionalpowermarketsarestudied.Hydropowerisscheduledfirst,thenthepaperdiscussesmethodstoclassifydifferentcapacityrangesofthemodifiedloadcurve.Giventhefactthattheregionalmarketsaredividedintoseveralpricezonesaccordingtoprovincialdevelopmentdifferences,thesectionloadconstraintsareintroducedintothemarketclearingprocesstorealizethepricezonepartitionautomatically.Unitcapacityofequalbiddingpriceshouldbeselectedorreducedaccordingtoequalproportionstepbystep,withconstraintsofsectionloadcapacityandunitminimumoutput.Thenthemathematicalmodelofblockbiddinginregionalpowermarketispresented,consideringthepowerbalance,unitoperationlimitsandsectionloadconstraints.Thismodelcanbesolvedbymerit2ordermethodcombiningabovesolutionsforpracticaldifficulties.Simulationof872unitsystemshowsthatthepresentedmethodiseffective,andblockbiddingapplicationinregionalpowermarketisagoodselectionforgenerationandgridcompanies.ThisworkissupportedbySpecialFundoftheNationalBasicResearchProgramofChina(No.2004CB217905).Keywords:blockbidding;regionalpowermarket;loadsection15,©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.