1、天津大學碩士學位論文變電站一次系統(tǒng)故障模擬的研究姓名：張玉林申請學位級別：碩士專業(yè)：電力系統(tǒng)及其自動化指導教師：張炳達20080601ABSTRACTThesubstationtrainingsimulationprovidesarealisticenvironmentfortraineetopracticeoperatingtasksTheauthorsfeelthatitisallexcellenttoolthatcallbeuse

2、dtoteachthetraineehowtoreactundertheseconditionsElectricquantityvariationofsubstationiscalculatedundernormal，emergencyandrestorativeconditionsinsubstationprimarysystemfaultsimulationItplaysallimportantroleinsubstationtra

3、iningsimulationThesubstationprimarysystemfaultsimulationplatformisestablishedbaseddirectedtopologygraphicsandfaultdatastructuretosatisfyexpansionanduniversalityofsoftwareIntheprocessofbuildingdirectedtopologygraphics，men

4、odesandbranchesaremadeintographicscontrols，SparsenetworkvectorsandhotspotautomationconnectiontechnologyareemployedtoconstructadjacencylistWhensubstationoperationmodeordatastructureisvaried，depthfirstsearchalgorithmisadop

5、tedtoanalyzethesystemtopologicalrelationship，andequivalentcircuitdiagramisestablishedThekeyproblemofthefaultcalculationusingsymmetricalcomponentsistheconstruction，modificationandapplicationofadmiRancematrixYthenfaultcurr

6、entandportcurrentarecalculatedbyusingthetheoryoftwoportnetworksBaseonEthemetnetworkcommunicationtechnology，thecommunicationbetweensimulationmachineandlowercomputerisrealizedThecommandsiSsendedtOsimulationmachinebyInstruc

7、torcomputer，includingloadsetting，faultsetting，switchmobility，protectivedevicesmobilitythesimulationresultsandactioninformationoflocalequipmentsaresendedtolowermachinebysimulationmachineInordertealtimesimulate，thestatesof

8、localequipmentsareobtainedbylowermachineatthesametimeThispaperdiscussesJiLinoilfieldBaJaZhisubstationprimarysystemfaultsimulation，realizationofsinglephaseshorting，phasetophaseshortcircuit，twophasewithgroundfaultearthings

9、hortcircuit，onephaseopentwophaseopenanddualrepetitivefaultsimulationthesatisfiedresultisverifiedbysimulationKEYWORDS：Substationtrainingsimulation；Faultsimulation；Graphicscontrols；Directedtopologyanalysis；Symmetricalcompo