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1、Chapter2PowerSystemModellingandAnalysisTechniquesVariouswelldocumentedtoolsareavailabletoengineersforpowersystemmodellingandanalysis.ThischapterwilldescribethefundamentaltechniquesrequiredtocompletestudiesonthestabilityofpowersystemsincludingHVDCsystems.Withinthischapter,mo
2、delsarepresentedforallofthemaincomponentsofelectricalpowersystems,includingsynchronousgenerators,excitationsystems,powersystemstabilisers,powertransformers,transmissionlines,systemsloadsandtheelectricalnetwork.Themodellingtechniqueusedtohandlethetimedelaysassociatedwithwide
3、areasignalsisalsogiven.Followingthis,thetechniquesusedtorepresenttheHVDCsystemforpowersystemstabilityanalysisarepresented,includingrelevantcontrolschemesandconvertercontrollers.ThemethodsofmodellingHVDClinesandmulti-terminalHVDCgridsarealsoprovided.Inadditiontothemodellingt
4、echniquespresented,toolsforpowersystemstabilityanalysisbasedonsystemlinearisationarealsodescribed.Oncethisframeworkhasbeenestablished,thedampingcontrollerdesignsutilisedwithinthisthesisarethoroughlydiscussed.Finally,adescriptionofthevarioustestnetworksusedwhilstcompletingth
5、isresearchispresented.Throughoutthisthesis,allmodellinghasbeencompletedusingtheMATLAB/Simulinkenvironment(version7.9.0,R2009b)withdirectimplementationofthemathematicalcomponentdescriptionsoutlinedwithinthischapter.2.1ModellingPowerSystemComponentsWithinthissection,themodels
6、ofallmainpowersystemcomponentsarepre-sented.Thesemodelshavebeenusedthroughouttheresearchtoprovidethesimulationresultspresentedlater.Thepowersystem,andallincludedcomponents,aremodelledusinganorthogonalphaserepresentation,undertheassumptionthatallthreephasesarebalanced[1].R.P
7、reece,ImprovingtheStabilityofMeshedPowerNetworks,SpringerTheses,31DOI:10.1007/978-3-319-02393-9_2,ÓSpringerInternationalPublishingSwitzerland2013322PowerSystemModellingandAnalysisTechniques2.1.1SynchronousGeneratorsThesynchronousgeneratoristhefundamentalsourceofenergywithin
8、modernelectricalpowernetworks,andcanbemodelledwithvaryinglevelsofcomplexity.Twodif
