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ID:39449933
大小:912.58 KB
页数:162页
时间:2019-07-03
《Thesis - Secure Provision of Reactive Power Ancillary Se (1)》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、SecureProvisionofReactivePowerAncillaryServicesinCompetitiveElectricityMarketsbyIsmaelEl-SamahyAthesispresentedtotheUniversityofWaterlooinfulfillmentofthethesisrequirementforthedegreeofDoctorofPhilosophyinElectricalandComputerEngineeringWaterloo,Ontario,Canada,2008©IsmaelEl-Samahy,2008Iherebydeclare
2、thatIamthesoleauthorofthisthesis.Thisisatruecopyofthethesis,includinganyrequiredfinalrevisions,asacceptedbymyexaminers.Iunderstandthatmythesismaybemadeelectronicallyavailabletothepublic.iiAbstractTheresearchworkpresentedinthisthesisdiscussesvariouscomplexissuesassociatedwithreactivepowermanagementan
3、dpricinginthecontextofnewoperatingparadigmsinderegulatedpowersystems,proposingappropriatepolicysolutions.Anintegratedtwo-levelframeworkforreactivepowermanagementissetforth,whichisbothsuitableforacompetitivemarketandensuresasecureandreliableoperationoftheassociatedpowersystem.Theframeworkisgenericinn
4、atureandcanbeadoptedforanyelectricitymarketstructure.Theproposedhierarchicalreactivepowermarketstructurecomprisestwostages:procurementofreactivepowerresourcesonaseasonalbasis,andreal-timereactivepowerdispatch.Themainobjectiveoftheproposedframeworkistoprovideappropriatereactivepowersupportfromservice
5、providersatleastcost,whileensuringasecureoperationofthepowersystem.Theproposedprocurementprocedureisbasedonatwo-stepoptimizationmodel.First,themarginalbenefitsofreactivepowersupplyfromeachprovider,withrespecttosystemsecurity,areobtainedbysolvingaloadability-maximizationproblemsubjecttotransmissionse
6、curityconstraintsimposedbyvoltageandthermallimits.Second,theselectedsetofgeneratorsisdeterminedbysolvinganoptimalpowerflow(OPF)-basedauction.Thisauctionmaximizesasocietaladvantagefunctioncomprisinggenerators'offersandtheircorrespondingmarginalbenefitswithrespecttosystemsecurity,andconsideringalltran
7、smissionsystemconstraints.Theproposedprocedureyieldstheselectedsetofgeneratorsandzonalpricecomponents,whichwouldformthebasisforseasonalcontractsbetweenthesystemoperatorandtheselectedreactivepowerservi
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