数字输电网络的关键技术研究

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1、浙江大学博士学位论文数字输电网络的关键技术研究姓名：李晓骏申请学位级别：博士专业：电力系统及其自动化指导教师：邱家驹20030701浙江大学博士学位论文ABSTRACTThetermof‘‘DigitalEarth'’isputforwardin1998．Inordertoresolvetheconflictbetweenthelargeamountofinformationandsatisfyingutilization，itprovidesanintegratedinformationsystemwithauniformstructuremodel．．Afteri

2、ntroducingthemeaningof“DigitalEarth”anditsrelevanttechnologies，thisthesisexpatiatesitsmainfimctions，structure，andfutureapplications．Itputsthefocusonhowtorealizethesystem．‘‘DigitalPowerTransmissionNetwork”isactuallyaplatformusedforinformationmanagement．Itconformsthedatacorrelatedtotransm

3、issionnetworkthroughdatamanagementandvirtualrealitytechnology．AlsoitCandemonstratethecircumstanceandstatusofthewholetransmissionnetwork，andCandotheautomaticverificationandsimulationofnetworkdesign，operationandmanagements．Finallyitachievesthegoalofprovidingexcellentsupportsinthewholelife

4、cycleofatransmissionnetwork．ReasonabledigitalmodelsandorganizationmethodsarethebasicpremisetoDigitalPowerTransmissionNetwork．Thisthesisdiscussestheclassificationofrelevantdataandthecorrespondingdispositionmethods．Itprovidesmulti—scaleandmulti-leveldigitalmodels，andrealizesthemanagemento

5、fDigitalElevationModel，satelliteimaging，aerialphotos，surfacefeatures．ThecorecontentsofDigitalPowerTransmissionNetworkaretobuildthetrueThreeDimensionSceneofobjectiveregion，tosearchforthetransmissionequipmentsandtooperatetheminthesceneinteractively．Accordingtothetwomainkindsofthreedimensi

6、ondigitalmodels(EarthSurfaceModelandtransmissionequipmentmodel)，thisthesisdescribesasirnplifyingmethoddependedonview—point：Itaccomplishesdisplayingandflyingoveralargeareaoftrueearthsurfacewithlevelofdetailmodelbasedonblock—binarytree．Anditrealizestheefficientdisplayofabundantdataofequip

7、mentmodelsandinteractivemanagementbythemethodofcombinationofmodelsandimages．Transmissionlinedesignisacomplexsystemprojectwithlargeinvestment．Basedondataprovidedbydigitaltransmissionnetwork，andcombinedwiththeII塑垩查兰堕主兰竺笙苎geneticalgorithm，thethesisputsforwardageneraloptimizationme