ABB产品说明书english图文Word格式文档下载.docx

ABB产品说明书english图文Word格式文档下载.docx

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2.2.3LEDIndication（11

2.2.4Bardisplays（11

2.2.5Controlpushbuttons（12

2.2.6Electronickey（12

2.3Measurement（12

2.3.1Valuesmeasureddirectly（12

2.3.2Calculatedvalues（13

2.3.3Othervalues（13

2.4Protection（13

2.5Control（14

2.6Eventrecording（14

2.7Faultrecording（15

2.8Realtimeclock（16

2.9Processinterface（16

2.9.1Analoginputs（16

2.9.2Binaryinputsandoutputs（18

3Diagnosisandmonitoring（19

4Analogoutput（20

5Communication（21

6Housing（23

7Mechanicaldesign（26

7.1REF542plusstandardcaseversion:

（26

7.2REF542pluswidecaseversion:

7.3Analoginputs（26

8Listoftheprotectionfunctions（27

9Technicaldata（32

9.1Analoginputchannels（32

9.1.1Currentandvoltagetransformerinputvalues（32

9.1.2Currentandvoltagesensorinputvalues（32

9.2Binaryinputsandoutputs（33

9.2.1BIOmodulewithmechanicaloutputrelays（version3（33

9.2.2BIOmodulewithstaticoutputs（34

9.3Interfaces（34

9.3.1HMIControlUnit:

（34

9.3.2CentralUnit:

9.4Analogoutputboard（optional（34

9.5Communication（optional（34

9.6Powersupply（35

9.6.1CentralUnit（35

9.6.2HMIControlUnit（35

9.7Environmentalconditions（35

9.8Degreeofprotectionbyenclosure（36

9.8.1CentralUnit（36

9.8.2RHMIControlUnit（36

10Typetest（37

10.1Protectionfunction（37

10.2Electromagneticcompatibility（38

10.2.1Emissiontest（38

10.2.2Immunitytests-enclosureport（39

10.2.3Immunitytests-powersupplyport（40

10.2.4Immunitytests-communicationports（41

10.2.5Immunitytests–binaryinputandoutputports（42

10.3Insulationresistance（42

10.4Mechanicalrobustness（42

10.5Climaticconditions（42

11ConnectionDiagram（43

11.1ConnectorPlate（43

11.2HMIControlUnit（44

11.3REF542pluswithmechanicalbinaryI/O（45

11.4REF542pluswithsolidstatebinaryI/O（48

11.5REF542pluswithmechanicalbinaryI/O（version2（51

11.6Analoginputboardversions（52

1General

TheREF542plusMultifunctionProtectionandSwitchbayControlUnitisthefurtherdevelopmentoftheformerREF542unit.Likeitspredecessor,itfeaturesthefollowingfunctions:

Protection

Measurement

Control

Monitoring

Allfunctionsmentionedaboveandpowerqualityfunctionsareintegratedinaprogrammableenvironment.Theexceptionalflexibilityandscalabilityofthesenewgenerationdevicesleadtoasmartandcleansolutionwherethetraditionalapproachwouldbeineffectiveandexpensive.

ThefollowingfiguresshowexamplesoftheREF542plusinstallationinseveralswitchboards.

Figure1:

REF542plusinstalledingasinsulatedswitchboards（GIS

Figure2:

REF542plusinstalledinanairinsulatedswitchboard（AIS

TheREF542plusisbasedonareal-timemicroprocessorsystem.ThemeasurementandprotectionfunctionsareexecutedbyaDigitalSignalProcessor（DSP,whileaMicro

Controller（MCisexecutingthecontrolfunctions.Duetothistaskseparationthereisnoimpactbetweenthestartandthetripbehavioroftheimplementedprotectionscheme,shouldthecontrolschemebemodified.TheCommunicationProcessor（CPisneededforconnectiontoastationautomationsystem.AblockdiagramoftheREF542plusis

showninfigure3.

Figure3:

REF542plusBlockdiagram

REF542plus,asshowninfigure3,consistsoftwoparts,aCentralUnitandaseparateHumanMachineInterface（HMI.TheCentralUnitcontainsthepowersupply,processorandanalogandbinaryInputandOutput（I/Omodules,aswellasoptionalmodulesforsupplementaryfunctions.

TheHMIControlUnitisastand-aloneunitwithitsownpowersupply.ItcanbeinstalledontheLowVoltage（LVcompartmentdoororinadedicatedcompartmentclosetotheCentralUnit.TheHMIisnormallyusedtosettheprotectionparametersandtolocallyoperatetheswitchingdevicesintheswitchbay.TheHMIisconnectedtotheCentralUnitbyashielded,isolatedtwistedpairaccordingtotheRS485interface.Figure4showsaninstallationoftheCentralUnitandtheHMIControlUnitintheLVcompartmentofaswitchboardfortheswitchbay.

Figure4:

MountingoftheCentralUnitintheLVcompartmentandtheHMIonthedoor

TheHMIControlUnit,asshowninfigure5,featuresaback-illuminatedLiquidCrystal

Display（LCD,eightpushbuttons,severalLEDsandanelectronickeyinterface.Thelanguageofthedisplaycanbeselectedviatherelatedconfigurationsoftwaretool,whichisalsousedtodefinetheprotectionandthecontrolscheme.

Figure5:

TheHMIControlUnit

ThelefthalfoftheLCDdisplayisreservedfortheSingleLinediagram.Therighthalfisusedtodisplaytheappropriatemenuorsubmenuasdeterminedbytheuser.Twodifferentelectronickeyswithdifferentaccessrightsareavailable.Eachofthekeysareprogrammedtopermiteither:

protectionfunctionsparameterizationofthe

modeselectionofthecontrolfunctions

ThreefreelyprogrammableLEDbarshavebeenprovidedonthefrontoftheHMIControlUnit.EachLEDbarconsistsoftengreenandtworedLEDsandisuserconfigurabletodisplayanyrequiredmeasurementvalue.TheredLEDsareusedtoindicatevaluesabovetheratedvalue.

ThefunctionsoftheREF542pluscanbetailoredtothesystemrequirementsviaauser-specificconfiguration.Theuser-specificconfigurationisloadedduringcommissioning.Forthatpurposetheconfigurationcomputer,normallyapersonalcomputer（notebookrunningWindowsNT,isconnectedtotheopticalinterfaceonthefrontsideoftheHMIControlUnit.

TheinterfaceofthemultifunctionalunitREF542plustotheMediumVoltage（MVprimaryprocessisasfollows:

Analoginputstomeasurecurrentandvoltagesignalsfrominstrumenttransformersornonconventionalsensors

Binaryinputswithopticalcouplersforthegalvanicseparationoftheexternalsignalstobeprocessed;

Binaryoutputswithconventionalmechanicalrelaysorstaticoutputsforthecontrolofswitchingdevices;

Optionalfourchannelanalogoutputs0to20mAor4to20mA

OptionalconnectiontoABBorthirdpartystationautomationsystem.

REF542plusisacertifiedproductforcompliancetotheIndustrialITarchitectureconceptofABB.

IndustrialITproductscanbeeffectivelycombinedtogetherintovalue-addedsystemsandsolutionsina“Plug&

Produce”manner.

Complianceaccordingto“Level0:

Information”ensuresthatallrelevantproductdocumentation–includingtheoperationmanual,instructionsforinstallationandmaintenance,electricalandmechanicaldrawings,testreportsandspecificorderinformation-isonlineavailable,inelectronicformat,foraccessviasoftwareproductsandsystemsbasedontheABBAspectIntegratorPlatform.

Inthisway,significantbenefitsareenabledtothefinaluserformucheasierandeffectiveinstallation,configuration,operationandmaintenanceoftheproductintheplant.DetailedinformationonIndustrialITisavailableatit

2Functions

REF542plusMultifunctionProtectionandSwitchbayControlUnitintegratesallthe

secondaryfunctionsinasingleunit.Thismultifunctionalunitalsofeaturesaself-

monitoringfunction.Allfunctionsaredesignedasfreelyconfigurablesoftwaremodules.

Therefore,awiderangeofoperationrequirementsinMVstationscanbemetwithoutanyproblems.TheversatilityofthesoftwaremakesitpossibletousetheREF542plusoneveryswitchboardindependentonthespecificapplicationrequired.

2.1Configuration

Eachapplicationforprotectionandcontrolcaneasilybeconfiguredbysoftwarefunctionmodules,whichmakearbitrarydefinitionofthefollowingfeaturesaspartofthesecondarysystempossible:

LED'

s（meaningandcolorsforlocalindication

SingleLinediagramtoshowthestatusofswitchingdevices

Protectionschemes

Controlschemes

Interlockingschemes

Automationsequences

AllfunctionsintheswitchbaycanbespecifiedincollaborationwithABB.Theresultoftheconfigurationissavedanddeliveredtogetherwiththeswitchboardtotheusers.Byusingthe"

FUnctionalblockProgrammingLanguage”（FUPLAtheREF542plusMultifunctionProtectionandSwitchbayControlUnitoffersengineers,especiallythosewhoarenotsoftwareexperts,theopportunityofeasilyupdatingtheoperationandhandlingoftheswitchbay.

WithREF542plustheuserhasthebenefitofasecondarysystemthatisfullyintegratedin

atrueprogrammablecontroller.Thisflexibilityisveryadvantageousfordefiningcontrol

functionsforautomationsequences,whichcan,forexample,includetheinterlockingoftheswitchingdevices,blockingthereleaseofspecificprotectionfunctions,aswellasstartingswitchingsequences.

REF542plusmultifunctionalunitprovidesawiderangeoflogicalfunctionssothateachrequiredcontrolschemescanbeconfigured.Therangeoflogicalfunctionsincludes:

ANDlogicgate

NANDlogicgate

ORlogicgate

NORlogicgate

XORlogicgate

Bistableandmonostableflipflop

Counters

Timers

Pulsegenerators

Memories

Similartothefreedefinitionofthecontrolscheme,eachrequiredprotectionschemecanbeconfiguredbythecombinationoftheavailableprotectionfunctionmodules.For

example,thefollowingprotectionfunctionsareavailable:

Definitetimeovercurrentprotection

Inversetimeovercurrentprotection

Directionalovercurrentprotection

Under-orovervoltageprotection

Distanceprotection

Differentialprotectionfortransformerandmotor

Thermalprotectionforcable,t