危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文1

InstallationofElectricalEquipmentinHazardousAreasDenialofIgnitionSourcestoflammableGases危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]InstallationofElectricalEqu1Itcannotbestressedhowimportantthephilosophiesfollowedtodenyignitionsourcestoflammablegasesare.Thesmallestignitionsourcecanleadtothemostdireconsequences……,危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Itcannotbestressedhowimpo2Bothfaraway–DeepwaterHorizon,GulfofMexico,April2010危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Bothfaraway–DeepwaterHori3Andclosetohome-PingyuCoal&ElectricCoLtd,Yuzhou,HenanProvince,

October2010危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Andclosetohome-PingyuCoa4ThispresentationisbasedontheInternationalElecrotechnicalCommission’spublicationIEC-60079ThereareotherpublicationssuchastheNationalElectricCode(NEC)intheUSAthathavealsoproducedstandardsforhazardousareasbuttheequipmentinthisprojectwillbetoIECstandards危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Thispresentationisbasedon5TheIEChasoveracenturyofexperienceproducingelectricalstandardsThefirsthazardousareastandardswerecreatedfortheminingindustryandthenexpandedtoincludetheoilandgassectorIECstandardsarenotfrozenintimebutevolveformanyreasonssuchasnewmaterialsbeingproduced,technicaladvancesaremadeandfindingsfromdisasterenquirestonamebutafewThesestandardsarewrittentoprovidethebestpossibleprotectionintheeventofagasescapeutilisingexperienceofpriordisastersandtheleadingexpertsinthehazardousareafield

危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]TheIEChasoveracenturyof6FlammablegasesrequireONLYONEsourceofignitionAllequipmentMUST

complywiththeregulationsDisasternewsstoriesusuallysaytherewasANexplosionAllregulationsMUSTbeadheredto=============Therecanbenoexceptions危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]FlammablegasesrequireONLYO7ThezonesforthisvesselcanbefoundondrawingM40188-1030015-HazardousAreaPlanPlus-allequipmentinexteriorlocationswhichiscapableofoperationafterashutdownistobesuitableforinstallationinZone2locations危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Thezonesforthisvesselcan8TherearevariousphilosophiesthataredefinedbytheIECtodenysourceofignitionNote;Thereisaphilosophyhierarchy,Zone0equipmentcanbeusedinZones1&2,Zone1equipmentcanbeusedinZone2危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Therearevariousphilosophies9ListofHazardousAreasonHaiYangShiYou981Bellnipple–zone1Shaleshakers-zone1Helifuelarea-zone1Batterylocker-zone1Paintlocker-zone1Belowhelideck-zone1Crownzone1Mudpits-zone2Drillfloor-zone2Riserstorage-zone2Ventsfromenclosedhazardousareaszone2Loadingstationsportandstarboardzone2allequipmentinexteriorlocationswhichiscapableofoperationafterashutdownistobesuitableforinstallationinZone2locations.危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]ListofHazardousAreasonH10TipsoninspectionofExequipment;(Afullchecklistisprovidedinthehandout)EquipmentiscorrectforZoneAllcablesmustbearmouredGlandsforExdshouldbeExdorExdeGlandsforExeshouldbeExeorExdeArmourtobeclampedbytheglandForExequipmentblankstobeExratedForExeequipmenttheglandsandblanksthreadlengthshouldbeminimum6mmorIPwasherandinternallockout危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]TipsoninspectionofExequip11Whenearthringisused,thismustbelocatedbetweenglandshoulderandIPwasherExd,Exeequipmentearthwireshouldbeminimum2.5mm2upto16mm2powerconductorExiequipmentearthwireshouldbeminimum4mm2AllterminationsshouldonlyhaveoneconductorperterminalAllterminationsshouldbecorrectandtight危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Whenearthringisused,this12WireinsulationshouldbemaintainrightuptothemetaloftheterminalCrimpingtoolsofthehandrachettypemustbeusedAllspareconductorsmustbeterminatedbothendsInsulationresistancetesttobecarriedout危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Wireinsulationshouldbemain13EquipmentisIncorrectforzone危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]EquipmentisIncorrectforzon14Uncertifiedforzone危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Uncertifiedforzone危險(xiǎn)區(qū)域電氣設(shè)備安裝15Correctcertification危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Correctcertification危險(xiǎn)區(qū)域電氣設(shè)備安16Correctglandsandinstalledtomanufacturersinstructions危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Correctglandsandinstalledt17Asaboveglandincorrectlyinstalled危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Asaboveglandincorrectlyins18Correctsizeofgland危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Correctsizeofgland危險(xiǎn)區(qū)域電氣設(shè)備安19Useoftape危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Useoftape危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)1010220Blankpluguncertified危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Blankpluguncertified危險(xiǎn)區(qū)域電氣設(shè)備21Uncertifiedblank危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Uncertifiedblank危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事22Blankplugtobecertifiedandcorrectlyinstalled危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Blankplugtobecertifiedand23Exelocknutrequired危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Exelocknutrequired危險(xiǎn)區(qū)域電氣設(shè)備安裝24Incorrectuseofearthring危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Incorrectuseofearthring危險(xiǎn)區(qū)25Correctuseofearthring危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Correctuseofearthring危險(xiǎn)區(qū)域電26Twocoresoneterminal危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Twocoresoneterminal危險(xiǎn)區(qū)域電氣設(shè)備27Correctconnectionoftwocoresintooneterminal危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Correctconnectionoftwocore28Incorrecttermination危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Incorrecttermination危險(xiǎn)區(qū)域電氣設(shè)備安29Terminalrailtobefixedandfreefromvibration危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Terminalrailtobefixedand30Exposedconductors危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Exposedconductors危險(xiǎn)區(qū)域電氣設(shè)備安裝注意31Spareconductorstobeterminated危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Spareconductorstobetermina32Cablesupport危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Cablesupport危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)10133Incorrectuseoftools危險(xiǎn)區(qū)域電氣設(shè)備安裝注意事項(xiàng)101021蔡文[1]Incorrectuseoftools危險(xiǎn)區(qū)域電氣設(shè)備34EquipmentislabeledcorrectlyLabeltoinclude;ThenameofthemanufacturerorhisregisteredtrademarkThemanufacturer’s