pscad使用手册.docx

pscad使用手册.docx

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pscad使用手册

PSCAD/EMTDC4.2.1May,2007

WelcometoPSCAD/EMTDCV4.2.Version4.2.1isavailableasacompleteinstallonlyandcanbeinstalledalongsideexistinginstallationsofPSCADV3,V4.0.X,V4.1.X,andV4.2.0.

Thereexisttwoseparateinstalls,oneforProfessional/EducationalandoneforStudent/EvaluationVersionsofPSCAD.

ThismaintenancereleaseistoenhancesoftwarestabilityandcorrectseveralminordefectsdetectedoverthelifecycleofPSCAD/EMTDC.

PSCAD4.2.1（2007）

∙changesinPSCADapplication-nochangesfromPSCAD4.2.1（2006）

∙PSCADMasterLibrarychanges:

seetablebelow

Component

DescriptionofChange

Capacitive_load

entering-veMVAshouldwork,changeremovablenodetoafixednode.

Resistive_load

changeremovablenodetoafixednode.

Reactive_load

changeremovablenodetoafixednode.

Log

itshouldnowworkcorrectlyforarrays.

Pss2

incorrectparametertype.

Ccvt

fixforstorageincrement.

Varrlc

passingstoragelocationbetweenDSDYNandDSOUTwithoutaffectingthesolutionsothatcurrentmeasurementisup-to-date.

Source3

enablefrequencyentryforautocontrolmode.

Th_gov

wrongparameternamecorrectedingov5mode.

G6p200

disable"allowsignalnames"insomeparametersasitshouldbe,modifytostopfiringwithoutapulsewhenavalidinterpolationtimeisgiven.

Line_Tower_6_Delta

Addmissing“}”whenmultiplesub-conductorsareused.

∙changesinPSCADexamples:

o\examples\PMmachine\pm_machine.psc–changeda+/-signinasummationblock

PSCAD4.2.1（2006）

Itemsofnote:

∙Thebehaviouroftheslider/switchcomponentshavechangedslightlywhenthereisnoassociatedcontrolpanel.Changesmadetothedefaultvalues（throughparametersettingwindow）arenotautomaticallyapplied.Theinitialvalueofthecomponentwhenfirstcreatedisalwaysused.Arightclickcontrolhasbeenprovidedtoimmediatelyapplythevalue.

∙PSCADComputationsandCheckswithpredefinedvalueswasreworkedforVersion4.2.0whichintroducedabug.Thiscomputationfailureaffected4componentsintheMasterlibrarywhere'E'wasusedasacomputedvariable:

Source1andsource3themostcritical,thetwootherswereobsoletesourcemodels（source1nandsource3n）.ForV4.2.0,anewMasterLibrarywasdistributed（V4.2.0.3）onthePSCADwebsiteandaffectedusersnotified.ThisdeficiencyhasbeenrepairedinV4.2.1.

∙SupporthasbeenprovidedforIntelVisualFortranV9.1.

∙ThedefaultlibrarylocationforintegratingwithFortrancompilershaschangedinMatlab.Asaresult,PSCADcannotdetectthelibrarypathwhenMatlabR2006aisused.ThereisaworkarounddocumentedintheWhat’sNewsectionoftheonlinehelp.

Knownissues:

∙TheHardwareKeyRainbowUSBdriverversion7.71.9doesnotproperlysupportHibernation/standby.Theolderversion5.39.6Sentineldriversproperlydetectedthelockafterwakingupfromhibernation&suspendmodes;howevertheremaybeotherdriverconflictswithinstalledsoftware.Thenew7.71.9driversdonotdetectthelockafterwakingupfromhibernation&suspendmodesunlessyouunplugandrepluginthelock.

∙PSCADV4.2.1willnotrunonWindowsNT4.PSCADisonlysupportedonWindows2000andWindowsXPPro32bit.ForWindowsXP64,seethenotebelowforacompletediscussion.

LicenseManager（1.27）[released2007]

TherehavebeenseveralenhancementstotheLicenseManagersince1.26wasreleasedwithPSCADV4.2.1in2006.Theseenhancementsinclude:

∙operatesonWindowsXP64,andonWindowsVista,

∙supportstheSentineldriverversion7.112.9,installerversion7.3.2

∙improvedlicensingandadditionaldiagnosticmessages,

∙handlesthedeterminationoftheIPofcomputerswithVPNadapters.

LicenseManager（1.26）[released2006]

TherehavebeenseveralenhancementstotheLicenseManagersince1.25releasedwithPSCADV4.2.0.Theseenhancementsinclude:

∙improvedlicensingandadditionaldiagnosticmessages,

∙iflocklesstriallicensesareavailable,theyareconsumedfirstbeforeanyPROorEDUlicenses,

∙iflockisabsent,LicenseManagerdoesnotdisplayarandomnumber

∙supportstheSentineldriverversion7.92.9,

∙handlesthedeterminationoftheIPofcomputerswithmultipleethernetadapters.SeeLicenseManagerthreadforfurtherdetailsonthemulti-homedmachineissue,

∙theLicenseManagerwilllicensePSCADclientsontheLicenseManagernetwork,wherethetermnetworkisdefinedinRFC-960,page2,

∙theclassofPSCADIPaddressesthattheLicenseManagerwillrespondtocanthesameclassastheLicenseManager,oritcanberestricted.Forexample,aLicenseManageronaclassBnetworkcanonlyrespondtoPSCADclientsonthatsameclassBnetwork;itcannotrespondtoPSCADclientsonanotherclassBnetwork,oranotherclassAnetwork.ThetermsnetworkandnetworkclassaredefinedinRFC-960,page2.

ServiceandSupport:

Formoreinformationonupdates/support,pleasevisitourwebsiteandPSCADForumat.Ifyouhaveanysuggestionsregardingthissoftware,pleasesende-mailtotheaddressbelow.

ForinformationonPSCAD/EMTDCcourses,orcustommodeldevelopment,pleasecontact:

ManitobaHVDCResearchCentreInc.

244CreeCrescent

Winnipeg,MBCANADA

R3J3W1

Ph:

+1204989-1240

Fx:

+1204989-1277

support@

PSCAD/EMTDC4.2Keyhighlights

ImportantNotes

BlankParameterFields:

Whenacomponentparameterfieldisundefined,earlierPSCADcompilerversionsassumedavalueof'0.0',arealnumber.Thisassumptionispotentiallyriskysincenorealnumberwasactuallyentered.BydesigninPSCADV4.2,thecompilerwillnolongeracceptindeterminateinputvaluesandresolvesto'NaN'（seeparameterviewingdialog）.Thisproducesacompilingerrorandwillnotrunthecase.Theusermodelmusthaveavaliddefaultiftheuserdoesnotenteranything.ThismayrequirepreviousversionPSCADmodelmaintenanceifdefaultswereneglectedintheoriginaldesign.Moreinformationonthisitemcanbefoundbyvisiting

WindowsXPProfessionalx64Edition:

IfyouwanttorunPSCAD4.2.0ProfessionalorEducationalonWindowsXPProfessionalx64Edition,youmustconfigurePSCADtogetalicensefromaLicenseManageronanothermachine,orusealocklesstriallicense.The32-bitSentinellockdriverssuppliedwiththePSCADandLMinstallerswillinstallonXP64,butwillnotrun,soneithertheLicenseManagernorPSCADwillbeabletodetectUSBorparallelportlocks.

CorrectlyUninstallingPSCAD4.2.0:

UsetheAdd/RemoveProgramscontrolpaneltoproperlyuninstall（remove）PSCAD4.2.0.IfyoubrowsetothePSCADCDandstartSetup.exeandthenselectRemove,theuninstallprocesswillremoveallregistrykeysrequiredbyotherinstalledversionsofPSCADV4.Shouldthishappen,youneedtorepairtheremaininginstalledversionsofPSCADV4.

PSCADImprovements

InthissectionwehavecompiledacollectionofbriefoverviewsofindividualchangestothearchitectureofPSCAD.Thefollowingitemsarenotlistedinanyparticularorder,butprovidesomedetailastothenatureofthechangeandhowitmayimpactcurrentusers.

UnitConversionSystem:

Unitconversionhasbeenahighdemanditemfordevelopmentinrecentmonths.Anewsystemhasbeenintegratedtoperformautomaticunitconversion.Thisfunctionisatablebasedconversionutilitybuildintothedatamanipulationcodeforthecomponents.Itoperatesasaseparateobjectdesigntoacceptinputasasourceunitandconverttoadefinedtargetunit.Itisimportanttonotethatthereare3basictypesofunitsconversionidentified.Theyare:

1）Directproportionalconversion（i.e.metre>>feet）

2）Translationalconversion（i.e.Celsius>>Fahrenheit）

3）Domaininverserelationship（i.e.sec>>Hz）

Theunitconversionsystemimplementsthefirstformofconversiononly.Proportionalconversionhasacommoninterceptpointthroughzeroandthusdoesnotrequiretheinputvaluetoprovideaconversionratio.Inadditiontheconversioniscapableofhandlingmultipletermsaslongasboththecountandoperatorsequencematch.Anexampleofthisistheconversionof[ohm/m*s]to[kohms/ft*s]whereboththesourceandtargetunitsspecificationcontainthesamenumberofterms（3）andthesameoperatorsequence（/*）.

Scalingfactorsprefixesareincludedinengineeringfactorsof103eachfrompico（-12）togiga（+12）.ScalingfactorscannotbecombinedinaccordancetoSIstandardsandarelimitedto10e±12.

Operatorprecedenceisalwayslefttoright.Precedencecontrolsymbols'（'and'）'arenotsupported.Powertermsaresupportwitha“^”symbol,i.e.kg/m^3wouldbekilogramspercubicmeter.

Literaltermsaresupportedinalimitedfashion.Thisallowsforunitstobespecifiedas[1/s]forexample,oreven[3.14/s].Literalscannotcontainasignoranyexponentialasthisisambiguouswithoperators.

Ifaconversioncannotbeperformedthesystemwillreturnanindeterminatefactorrepresentedby#NaNwhichisthenhandledbytheerrormessagingsystem.Ifthesourceequalsthetargetthebehaviourisunity（ofcourse）.Ifeitherunitisnotspecifiedthenthedefaultbehaviourisunity（1.0）.Thisbehaviourisirregardlessofanexistingunithavingliteralsornot.

Itisalsopossibletosuccessfullyconvertunitsthatarerepresentedbycommonaliastermsiftheyareprovidedinthedatabase.Typicalexamplesofthisare[Hz]asanaliasfor[rev/s]and[rpm]asanaliasfor[rev/min].Supportforaliasingextendstosingletermunitspecificationsonly.Multipliersarelegal,sotheterm[kHz]willcorrectlyconverttothecompoundterm[krev/s].Thisispossiblesincethemultiplierishandledseparatelyfromthebaseunit.

Tosupporttheuni