危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文1

InstallationofElectricalEquipmentinHazardousAreasDenialofIgnitionSourcestoflammableGases危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Itcannotbestressedhowimportantthephilosophiesfollowedtodenyignitionsourcestoflammablegasesare.Thesmallestignitionsourcecanleadtothemostdireconsequences……,危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Bothfaraway–DeepwaterHorizon,GulfofMexico,April2010危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Andclosetohome-PingyuCoal&ElectricCoLtd,Yuzhou,HenanProvince,

October2010危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]ThispresentationisbasedontheInternationalElecrotechnicalCommission’spublicationIEC-60079ThereareotherpublicationssuchastheNationalElectricCode(NEC)intheUSAthathavealsoproducedstandardsforhazardousareasbuttheequipmentinthisprojectwillbetoIECstandards危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]TheIEChasoveracenturyofexperienceproducingelectricalstandardsThefirsthazardousareastandardswerecreatedfortheminingindustryandthenexpandedtoincludetheoilandgassectorIECstandardsarenotfrozenintimebutevolveformanyreasonssuchasnewmaterialsbeingproduced,technicaladvancesaremadeandfindingsfromdisasterenquirestonamebutafewThesestandardsarewrittentoprovidethebestpossibleprotectionintheeventofagasescapeutilisingexperienceofpriordisastersandtheleadingexpertsinthehazardousareafield

危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]FlammablegasesrequireONLYONEsourceofignitionAllequipmentMUST

complywiththeregulationsDisasternewsstoriesusuallysaytherewasANexplosionAllregulationsMUSTbeadheredto=============Therecanbenoexceptions危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]ThezonesforthisvesselcanbefoundondrawingM40188-1030015-HazardousAreaPlanPlus-allequipmentinexteriorlocationswhichiscapableofoperationafterashutdownistobesuitableforinstallationinZone2locations危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]TherearevariousphilosophiesthataredefinedbytheIECtodenysourceofignitionNote;Thereisaphilosophyhierarchy,Zone0equipmentcanbeusedinZones1&2,Zone1equipmentcanbeusedinZone2危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]ListofHazardousAreasonHaiYangShiYou981Bellnipple–zone1Shaleshakers-zone1Helifuelarea-zone1Batterylocker-zone1Paintlocker-zone1Belowhelideck-zone1Crownzone1Mudpits-zone2Drillfloor-zone2Riserstorage-zone2Ventsfromenclosedhazardousareaszone2Loadingstationsportandstarboardzone2allequipmentinexteriorlocationswhichiscapableofoperationafterashutdownistobesuitableforinstallationinZone2locations.危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]TipsoninspectionofExequipment;(Afullchecklistisprovidedinthehandout)EquipmentiscorrectforZoneAllcablesmustbearmouredGlandsforExdshouldbeExdorExdeGlandsforExeshouldbeExeorExdeArmourtobeclampedbytheglandForExequipmentblankstobeExratedForExeequipmenttheglandsandblanksthreadlengthshouldbeminimum6mmorIPwasherandinternallockout危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Whenearthringisused,thismustbelocatedbetweenglandshoulderandIPwasherExd,Exeequipmentearthwireshouldbeminimum2.5mm2upto16mm2powerconductorExiequipmentearthwireshouldbeminimum4mm2AllterminationsshouldonlyhaveoneconductorperterminalAllterminationsshouldbecorrectandtight危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]WireinsulationshouldbemaintainrightuptothemetaloftheterminalCrimpingtoolsofthehandrachettypemustbeusedAllspareconductorsmustbeterminatedbothendsInsulationresistancetesttobecarriedout危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]EquipmentisIncorrectforzone危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Uncertifiedforzone危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Correctcertification危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Correctglandsandinstalledtomanufacturersinstructions危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Asaboveglandincorrectlyinstalled危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Correctsizeofgland危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Useoftape危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Blankpluguncertified危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Uncertifiedblank危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Blankplugtobecertifiedandcorrectlyinstalled危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Exelocknutrequired危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Incorrectuseofearthring危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Correctuseofearthring危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Twocoresoneterminal危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Correctconnectionoftwocoresintooneterminal危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Incorrecttermination危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Terminalrailtobefixedandfreefromvibration危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Exposedconductors危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Spareconductorstobeterminated危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Cablesupport危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]Incorrectuseoftools危險區(qū)域電氣設(shè)備安裝注意事項101021蔡文[1]EquipmentislabeledcorrectlyLabeltoinclude;ThenameofthemanufacturerorhisregisteredtrademarkThemanufacturer’stypeidentificationThe