国外工程现场管理规范性文件-电气与控制系统分工界面导则

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ControlSystemsGuideforInterfacebetweenControlSystemsandElectricalTableofContents1.Purpose2.EstablishedInterfaces3.References4.Attachments1.PurposeThisguideisintendedtogiveadescriptionhowtoorganizetheinterfacewiththeElectricalgrouponprojects.Thisguideshallbereadwithreference3.1.2.EstablishedInterfacesAlistdetailinginterfacesisAttachment2.2.1PowerSuppliesThefollowinginformationandrequirementsshallbecommunicatedtotheElectricalgroup:voltageandtypeofpowersupplyrequirede.g.D.C.,singleorthree-phaseAC;numberofcircuitsrequired(includingsparecapacity);uninterruptable;normal/alternatemainsetc.;lengthoftimethatthesupplyisrequiredintheeventofafailuremains;durationofchangeoverfrommainstostandby(e.g.50m.s.);voltageregulationandtolerance;distributionboardsrequirements(presentationintheformofa“key-oneline”diagramispreferred);requiredpowerinwatts;allowablevoltagedrop;typeofprotection(fuse,automaticbreakeretc.).2.2AlarmSystemsFulldetailsofalarmmaybeprovidedonaformasshownonAttachment1.2.3MeasurementSystemsDetailsrequiredmaybeprovidedbyusingtheformasshownonAttachment1.MeasurementsshallpreferablybepresentedbytheElectricalgroupasisolatedanaloguesignalsof4-20mA.2.4ElectricControlSystemsAllprocesssignalsshallberoutedintotheinstrumentationsystem(alsothosewithnoinstrumentationinvolvement)andthenthosesignalsforelectricalcontrolpassedontotheMotorControlCenter.DetailedinformationcouldbeprovidedonaformasshownonAttachment1.2.5ControlandInterfacePanelsInterposingcabinetscanbelocatedininstrumentroomsorelectricalroomsdependingonproject/clientrequirements.IfmountedinelectricalroomstheElectricalgroupisresponsiblefordesignandrequisitioning.IfmountedininstrumentroomstheControlSystemsgroupisresponsiblefordesignandrequisitioning.Ifnointerposingcabinetisusedandinstrumentcablesareroutedintomotorcontrolcabinets(e.g.forstart/stop)provisionsshouldbeprovidedinsidethesecabinetsformountingthesecables.2.6CommunicationSystemsWherefree-issuetelephonehandsets,radiomicrophone/loudspeakersclosedcircuitT.V.systemetc.aretobeincorporatedinpanelsordesksdetailsandspacerequirementsaretobeobtainedfromtheElectricalgroup.2.7CableRoutingAstudydrawingshallbepreparedbyeachgroupclearlyindicatingthefollowing:trenchroutes,includingterminationpointsofruns,spacerequirementsincludingsparecapacity,minimuminstallationdepth;roadcrossingswhereapplicable;segregationrequiredbetweeninstrumentcablesandbetweeninstrumentandelectricalcables;detailsofanyinstrumentcablestoberoutedinelectricalcabletrenches;fireproofingrequirementswhereapplicable.Closecoordinationbetweenthegroupsismandatorytoavoidduplicationandtocometoasounddesign.CoordinationwiththeUnderGroundgroupfortrenchesandcrossingswillbedonebytheElectricalgroup.2.8EarthingAphilosophydrawingshallbepreparedindicating:methodoftermination;applicationofchokes;earthelectroderesistancerequirementforeachsystem;segregationbetweensystemswhereapplicable;earthingoffieldinstruments;earthingsystemsincontrolroomsandequipmentrooms.3.References3.1DocumentNumberTitleLevelBN-EP-304ProcedureforWorkDivisionbetweenControl3SystemsandElectricalGroups34.Attachments1.ElectricalControl,AlarmandMeasurementFunctionRequirements.2.CHECKLISTInternalProcedureControlSystems/ElectricalThislistwillbehelpfulwhendiscussingandagreeingsplitofworkandresponsibilityasauniquejobprocedurebetweentheElectricalandtheControlSystemsDesignSection.JobNoClient.................................................Date.......................................1.Ispumpstart/stopforlevelcontrolwithoutalarmcompletedbyElectricalorviainterposingbyContolSystemsGroup?2Ispumpstart/stop(HTandLT)byopenorclosecontact?3Arecompressors(forsafetyreasons)withoutlocalstart?4Istypeoflocalswitchesandorderingcoordinated?5Arethererunninglights,notshownonEFD,locatedoninstrumentpanel?6Aretherealarmsfortransformers,HandV,fire,etc.,oninstrumentpanel?7Isthereanyfireprovedcableortrunk?8Isthereanycableroutingelectricalandinstrumentationtogether?9Iscableorderingforpowersupplyandabove1mm2byElectrical?10Istheretelephonecableininstrumenttrench?11Aretheretemperaturesignalsforwindingandbearingofelectricmotors?(intrinsicallysafe)12AretheremAsignalsforelectricheater,speedcontrol,ormetering?13Ispowersupplyfortanklevel(Enraf)inclusivedistribution,uptoinstrument,completedbyElectrical?14Istherelightingabovelocalpanelsrequired?15Agreegroundingpoints,isthereacleanearthrequired?16IslocationofinstrumentsandequipmenttobedeterminedforgroundingbyElectrical?17Arethereinstrumentationdetailsforelectricalheattracing,necessary?18Isthereelectricalpower(seealso13)forlocalanalyzersorotherinstruments?Arelocaldistributionboardsrequired?19Arethereelectricspaceheatersinlocalpanels?20Agreeestimateloadsforinstrumentpowerconsuming,typeofpowerandisakey-linehelpful?21Istheretelecommuncation,viainstrumentcablewire,withplug-indesk,microphoneofsoundpowerininstrumentpanel?22Aretheregraphics,Amp.metersforelectricalorTVscreens,ininstrumentpanel?23Islocationoftrunk,junctionboxes,switchesandlocalpanelsoncolumnsdetermined?24Whoisordering,cableprotec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