印度某MW电厂电气作业指导书31

Thelightingsystemonthedevicesandthestructure第11页共11页InstructionforinstallationandtestThelightingsystemonthedevicesandthestructure1.Relateddocumentationsandstandards1.1.TheChinesestandard(GB50150-91):Standardforhand-overtestofelectricequipment1.2.TheChinesestandard(DL408-91):Operationcodeforpowerplantsafety1.3.TheChinesestandard(DL560-95):Operationcodeforelectricsafetyinhighvoltagelaboratories1.4.TheChinesestandard(DL/T5043-95):Designstandardforelectricallaboratoryofthermalpowerplant1.5.TheChinesestandard(GB50259-96):Codeforconstructionandacceptanceofelectriclighting1.6.TheChinesestandard(GB50258-96):Codeforconstructionandacceptanceof1kVandunderfeedercableengineering1.7.TheChinesestandard(DL/T5161.17-2002):Specificationforconstructionqualitycheckoutandevaluationofelectricequipmentinstallation2.Receiptandstorage2.1.Examinethestateofthedevicesandthematerialsreceivedtocheckthatitcorrespondswithwhatwasordered.2.2.Checkallpackagesforexternalsignsofdamage.2.3.Pleasecheckconditionandqualityofthedevicesandmaterials,andcomparethemwiththepackinglist.2.4.Ifonunpacking,whichmustbecarriedoutcarefully,anydamageorirregularityisnoted,notifythiswithindefiniteperiodofreceiptofthegoods,notificationmustindicatetheshippingnotenumber.2.5.Ifthedevicesistobestoredforevenshortperiodsbeforebeingputintoservice,afterreceiptitisadvisabletoputitbackintoitsrelativecontainerandcoveritwithawaterprooftarpaulin.Useadryanddust-freeambientforstoragewithoutanyaggressivechemicalagents.Placethedeviceandanyfixedpartonahorizontalsurfacenotindirectcontactwiththefloor,butonasuitablesupport.2.6.Selectalocationforthedeviceinaclean,dry,vibration-freeareawithmoderatetemperature.2.7.Withregardtolifting,followtheseinstructions:thedevicesmustbeplacedonasturdysurfaceandliftedpreferablyusinganappropriatefork-lifttruck.Theuseofropesis,however,permitted:inthiscasetheliftingropesmustbehookedfirmly.3.Installationoftheelectriclighting3.1.Installationofthelightingapparatuses3.1.1.Mustusetheexplosion-prooflightingapparatuses,whoseratedvoltagemaybe36Vandbelow,ifthelightingapparatusesareinstalledinexplosionorfirehazardarea.3.1.2.Heightoftheoutdoorlightingapparatusesmaybemorethan3m,andthatonthewallmaybethan2.5m.3.1.3.Minimumcrosssectionoftheconductorcoresforleadingintothelightingapparatusesasshowninthetable3.1.3.Table3.1.3.:Minimumcrosssectioninmm2oftheconductorcoresInstallationsiteandusageFlexiblewiresofcoppercoresCopperwiresAluminumwiresIndoorCivilarchitectureIndustrialarchitectureOutdoor1.01.0.Therearen’tanylightingapparatusesabovethehighvoltagepowerdistributionpanelsandbus-bars.3.1.5.Thephasewiresshouldbeconnectedintothecentralcontactofthescrewlamps,andneutralwiresontoouterscrew.Thewirescanbebentclockwiseduringconnection.3.1.6.Innerdiameterofthesteelpipewhichashangerrodofthelightingapparatusshouldbemorethan10mm,andwallthicknessofthepipeshouldbemorethan1.5mm.3.1.7.Toleranceofthecentrallineshouldbelessthan5mmifinstallthelightingapparatusesbyrowinsamehouseorsite.3.1.8.Fixeachlightingapparatussolidlywithtwoormoreboltsorscrews.3.1.9.Qualitystandardsinstallingthelightingfixturesareasshownintable3.1.9.Table3.1.9.:InstallationofthelightingfixturesItemofexaminationPropertyQualitystandardsMethodsandtoolsforexaminationCheckingofthelightingfixturesCategories,typesandspecificationsAccordancewiththedesignsCheckdependonthedrawingsAccessoriesSuitableandcompleteCheckdependonthelistsAppearanceWithoutdamageInspectionJointersSuitable,flexibleandwithoutblocksTestAssemblyofthelightingracksAssemblysequencesAccordancewiththemanufacturespecificationCheckdependonthemanufacturespecificationCrosssectionoftheoutletsMainAccordancewiththedesignsCheckdependonthedrawingsConnectionoftheoutletsandterminalsofthelightingfixturesMainTightandisolatedInspectionAssemblepartsPerfectAssemblyofthelightingrodsTransversaldeviationsofcentrallines≤50mmCheckbyaruleandaguyVerticalerrorsUprightInspectionPowersupplywiresConnectionMainTightandwithoutpullforcesInspectionWiringofthelightingscrew-capsCorrectCheckbyaelectricitytesterInsulationtreatmentatthejointsTight,uniformandisolatedInspectionFixingLocationAccordancewiththedesignsCheckdependonthedrawingsFixingmannerAccordancewiththemanufacturespecificationCheckdependonthemanufacturespecificationFixingboltsandnumberoffixingpointsMainRegulationRowlightingfixturesinthesameroomNeatandevenInspectionArchitecturallampsNeatandstraightLightingbulbsandpipesPowerAccordancewiththedesignsCheckdependonthedrawingsConnectionwiththelampsocketsTight,withoutloosenessPullCoversTight,withoutdamageInspectionAccessorypartsCompleteandsolidEmergencyindicationlampsClearandcorrect36VandbelowlightingtransformersAccordancewiththecodesCheckdependonthecodesSealspeciallightingfixturesMainAccordancewiththemanufacturespecificationCheckdependonthemanufacturespecificationEarthofthemetalcasingsMainAccordancewiththecodesCheckdependonthecodes3.2.Installationofthesocketsandtheswitches3.2.1.Heightofthesocketscanbemorethan0.3mintheshopandthelaboratory,1.3minotherplaces.3.2.2.Heighttoleranceofthesocketsinstalledinthesameroomshouldbelessthan5mm.Heighttoleranceofsametypesocketsinstalledinparallelshouldbelessthan1mm.3.2.3.Connectseparatelyphaseandneutralwiresintorightandleftholesofthesockets.3.2.4.Threephaseslocationofthesocketsinstalledatthesamesiteshouldbeconsistent.3.2.5.Heightoftheswitchescanbe1.3m,andthatofthepullswitchescanbe2~3m.3.2.6.Heighttoleranceoftheswitchesinstalledinthesameroomshouldbelessthan5mm.Heighttoleranceofthesametypeswitchesinstalledinparallelshouldbelessthan1mm.Distancebetweentwopullswitchesshouldbemorethan20mm.3.2.7.Thephasewiremustbecontrolledbyaswitch.3.2.8.Qualitystandardsinstallingthesocketsandtheswitchesareasshownintable3.2.8.Table3.2.8.:InstallationofthesocketsandtheswitchesItemofexaminationPropertyQualitystandardsMethodsandtoolsforexaminationTypesandcapacitiesAccordancewiththedesignsCheckdependonthedrawingsAccessorypartsCompleteSortandcountAppearancesPerfectInspectionLocationsandheightsMainAccordancewiththedesignsCheckdependonthedrawingsTypesUniformInspectionSocketsWiringMainAccordancewiththecodesCheckbyaelectricitytesterEarthMainSwitchesOperationFlexibleandreliablePullWiringMainConnecttothephasewiresCheckbyaelectricitytesterNumberofthefixingboltsAccordancewiththemanufacturespecificationInspectionFixingstrengthMainFirmPullInstallationerrorInthesameroom≤5mmCheckbyaruleandaguyInstallationinrow≤1mmCheckbyaruleFlushmountedboardsNeatandtightInspectionAnti-loosepartsoffixingboltsComplete3.3.Installationofthelightingdistributionboxes3.3.1.Installsolidlythelightingdistributionboxes,verticaltoleranceshouldbelessthan3mm.3.3.2.Heightofthebottomsofthelightingdistributionboxescanbe1.5moraccordingtodesign.3.3.3.Connecttheneutralwireandtheprotectiveearthedwireontotheneutralbusandprotectiveearthedbusinthelightingdistributionboxseparatelyandnumberthem.3.3.4.MarkobviouslyAC,DCordifferentvoltagelevelspowersourcesinthelightingdistributionboxes.3.3.5.Markthecircuitnamesoftheloadsinthelightingdistributionboxes.3.3.6.Qualitystandardsinstallingthelightingdistributionboxesareasshownintable3.3.6.Table3.3.6.:InstallationofthelightingdistributionboxesItemofexaminationPropertyQualitystandardsMethodsandtoolsforexaminationTypesandcircuitnumberAccordancewiththedesignsCheckdependonthedrawingsLocationandheightErrorsofboxsizesHeight<50cmWithoutapparentdeviationInspectionHeight>50cm≤3mmCheckbyaguyFixingstrengthMainSolidInspectionEarthoftheboxesMainFirmandconductiveConductanceexaminationInnerexaminationInsulationresistanceofthecircuitsMain≥0.5MΩCheckbyameg-ohm-meterLoaddistributionAccordancewiththedesignsCalculateKnifeswitchesMatchwiththeloads,flexibleandwithoutblockPullSpiralfusesWithoutloosenessonthebasesPullConnectionbetweentheconductorsandterminalsTightPullConnectionoftheneutralwiresandprotectiveearthedwiresFixthemonthebuses,thenumbersarecompleteInspectionSealspareholesontheboxesMainTightInspectionCleanintheboxesCleanandwithoutimpurityRemarkthecontrolcircuitsCompleteandapparentFixtureoftheflushmountedboardsTightandwithoutgapsAnti-corrosionatweldPerfect3.4.Wiring3.4.1.Radiusofcurvatureforprotectionpipesshouldbemorethan6timesouterdiametersofthepipes.3.4.2.Installthejunctionboxesifthelengthsoftheprotectionpipesexceedfollow:.30m.20mandthereisonebendonthepipe.15mandtherearetwobendsonthepipe.8mandtherearethreebendsonthepipe3.4.3.Installthejunctionboxesifthelengthsoftheverticalprotectionpipesexceedfollow:.30mandcrosssectionoftheconductorsinpipeis50mm2andbelow..20mandcrosssectionoftheconductorsinpipeis75~95mm.3.18mandcrosssectionoftheconductorsinpipeis120~240mm.Relativetoleranceoftheobviousprotectionpipesis1.5‰,andabsolutetoleranceshouldbelessthan1/2oftheinnerdiameterofthepipe.3.4.5.Themetalprotectionpipesandthemetalboxesmustbegroundedreliablywiththeprotectionearthedwires.3.4.6.Thewallofthesteelpipescanbecarriedoutanticorrosivetreatment.3.4.7.Fixtheobvioussteelpipesperfectlywiththeclamps.Distancebetweentheclampsandthedevicesortheboxesare150~500mm.Maximumdistancebetweentheclampsofthesteelpipesisasshowninthetable3.4.7.Table3.4.7.:MaximumdistancebetweentheclampsofthesteelpipesClassofsteelpipeDiameter(mm)ofsteelpipe15~2025~3240~5065andaboveThickwall1.52.02.53.5Thinwall1.01.52.03.4.8.Lengthoftheflexiblemetalpipesmaybelessthan2m.Distancebetweenthesupportersmaybelessthan1m.3.4.9.Fixtheobvioushardplasticpipesperfectlywiththeclamps.Distancebetweentheclampsandthedevicesortheboxesare150~500mm.Maximumdistancebetweentheclampsofthehardplasticpipesisasshowninthetable3.4.9.Table3.4.9.:MaximumdistancebetweentheclampsofthehardplasticpipesInnerdiameter(mm)20andbelow25~4050andaboveMaximumdistance(m)1.01.52.03.4.10.Installthejunctionboxesiflengthofthehalfhardplasticpipesorwavepipesisexceed15mortherearethreeandaboverightanglebendsonthepipes.3.4.11.Qualitystandardslayingtheprotectivepipesareasshownintable3.4.11.Table3.4.11.:LayingoftheprotectivepipesItemofexaminationPropertyQualitystandardsMethodsandtoolsforexaminationExaminationofthepipesTypes,specificationsandmaterialsAccordancewiththedesignsCheckdependonthedrawingsAppearanceSteelpipesOutersurfaceWithoutdamageandseriouscorrosion,platedzincisperfectInspectionInnersurfaceWithoutfragmentandimpurityPlasticpipesOutersurfaceWithoutcrackanddamageInspectionInnersurfaceWithoutimpurityManufactureofthepipesPaths,locationsandmannersAccordancewiththedesignsCheckdependonthedrawingsCurvaturepartsCurvatureradiusAccordancewiththecodesCheckdependonthecodesFlatdegreeHatchPerfectandsmoothInspectionHorizontalandverticalerrorsofthepipesMainAccurateDistancebetweentheelectricpipesandthermalpipesMainAccordancewiththecodesCheckdependonthecodesInstallationoftheconnectionboxesTypesMatchwiththeswitches,thesocketsandthecoverboardsInspectionInstallationlocationsAccordancewiththedesignsCheckdependonthedrawingsFixtureandburyingSolidInspectionConnectionofthepipesSteelpipesConnectionwithordinaryscrewsFirmandreliableforweldtheearthedjumpersInspectionConnectionwithanti-explosivescrewsUniformforbrushelectriccompoundlipid,andreliableforjumpearthedclamperConnectionwithsleevesStraight,solidandtightConnectionwithboltsTight,withoutloosenessPlasticpipesSolidforgluingInspectionFixtureUniformandappropriateDirectTotheboxesMatchwithnutsofthesteelpipesExtend2~3turnsofscrewsoverthenutsInspectionMatchbyweldsteelpipesExtend3~5mmoverinnerwallsoftheboxesPlasticpipesExtend3~5mmoverinnerwallsoftheboxesTothedistributionpanelsNeat,andextend50~80mmabovebottomsofthepanelsTransitiveProtectwiththesoftpipesWrapthehatchtightlyInspectionProtectwiththespecialjointsoftpipesReliableandsealFillersintheisolatedsealersMainSmoothandwithoutcrackInspectionSealatjointersGoodAnti-corrosionforpipesandaccessoriesAccordancewiththedesignsCheckdependonthedrawingsEarthandconnecttotheneutralwires3.4.12.Cleanthepipesbeforethewirespassthroughthepipes.3.4.13.Thewiresofdifferentsystems,voltagelevels,andcurrentclassesmustnotbelaythroughthesamepipe.Ratedvoltageoftheinsulationwiresshouldbemore500V.3.4.14.Therearen’tconnectionjointsandtwistsinthepipes.Connectwiresbyweldorwiththeterminalsinthejunctionboxes.3.4.15.Screwthenutsonthepipes,whenconnectthemtothejunctionboxes.7.Conduitsupportsshallbeprovidedatanintervalof750mmforhorizontalrunsand1000mmforverticalruns.Whereconduitsarerunoncabletraystheyshallbeclampedtosupportingsteelatanintervalof600mm.Conduitsshallbekept,whereverpossible,atleast300mmawayfromhotpipes,heatingdeviceetc.Wireshallnotbepulledthroughmorethantwoequivalent90°bendsinasingleconduitrun.3.4.18.Qualitystandardsofwiringareasshownintable3.4.18.Table3.4.18.:LightingwiringItemofexaminationPropertyQualitystandardsMethodsandtoolsforexaminationExaminationofwiringTypes,voltagesandspecificationsAccordancewiththedesignsCheckdependonthedrawingsMaterialsInsulationprotectinglayersPerfectandwithoutdamageInspectionWiringCheckinsidepipesUnimpededandwithoutimpurityorwaterCheckbyasteelwireLayoutofthecircuitsAccordancewiththedesignsCheckdependonthedrawingsTotalcrosssectionsoftheconductorsDon’texceed40%ofinnercrosssectionsofthepipesInspectionHatchsleevesforprotectthewiresCompleteInspectionPasstheconductorsthroughthepipesMainWithoutdamageandknotsChecktheconductorsinsidethepipesWithoutjointsInspectionLengthsoftheconductorsincompensatorsMainAppropriatesparesPullConnectionofthewiresCutinsulationlayerWithoutdamageonthewirecoresInspectionConnectionoftheconductorsWeldthesinglecopperwiresafterarticulationConductiveandcleanWiththesleevesMatchingbetweentheconductorsandthesleevesConnectionbetweentheconductorsandthedevicesAccordancewiththecodesCheckdependonthecodesExaminationafterconnectthewiresInsulationresistancesoftheconductorseachotherandtogroundMain≥0.5MΩCheckbyameg-ohm-meterConnectionoftheprotectiveearthedwiresMainReliableInspectionCoverboardsComplete,solidandtight3.5.Streetlightpolesshallbegiventwocoatsofaluminumpaintsafterinstallation.Allsteelfabricationshallbegiventwocoatsofred-oxideprimerfollowedbytwocoatsofbattleshipgreyshade632ofIS-5.4.Test4.1.Measureinsulationresistanceofalllightingcircuits.Theinsulationresistancesshouldmorethan0.5MΩ.4.2.Checkalllampsafterenergizethem,theycanlight.4.3.Checkallsocketsandswitches,theycanoperatenormally.5.Puttingintoservice5.1.Generaldescription5.1.1Whenfinishedwiththeoriginalinstallationandallmodifications,conductacompleteoperationtestontheentireinstallationtoverifycompliancewithapplicablestandards.Testingshouldbeconductedbyafactory-trainedtechnicianinthepresenceofarepresentativeofthemanufacturerandtheowner’srepresentative.Followproceduresoutlinedintherelatedstandard.5.1.2.Periodictestingandservicingofthesystem,alldevices,andanyotherassociatedequipmentisessentialtoensureproperandreliableoperation.Testandservicethesystemandthedeviceaccordingtotheschedulesandproceduresoutlinedinthemanufacturer’smanuals.5.1.3.Betweenformalperiodictestingandservicingintervals,therelatedoperationchecksshouldbeperformedfordefiniteperiod,orfrequentlywhenrequiredbytheowner.5.2.Operationaltestperiodofthelightingsysteminpublicarchitecturecanbe24h,andthatincivilarchitecturecanbe8h.5.3.Energizealllampsandrecordoperationalconditionsevery2hour.Passthetestifwithoutanytroublein24hour.5.4.Recordsforenergizingthelightingcircuitsareasshownintable5.4.Table5.4.:RecordsforenergizingthelightingcircuitsNameofpartialprojectAcceptancerangeItemofexaminationResultsCheckerRemarkofthelightingboxesEarthofthelightingboxesCablenameplatesSwitchnamesdependonthecircuitsFusecapacitiesdependonthedesignsInsulationresistanceofthecircuitsMinimumvalue(MΩ)Ambienttemperature(℃)Relativehumidity(%)SealandcleanOperationtestforleakageprotectionOperationtestfortheemergencylampsOperationtestfortheDCnormallybrightlampsOperationtestforphotocontrollersAuto-switchtestforACandDCmissioningofthesocketsAppearancequalitiesExaminationresultsAcceptanceopinionSignatureDateConstructiongroupConstructionteamQualitydepartmentSupervisorydepartmentOwner6.Safetyprecautions6.1.Theinstallationhastobecarriedoutbyqualifiedpersonalfollowingtheinstructionofthemakers.Onlyqualified,authorizedpersonsshouldcarryoutelectricalwork.Wiringshouldbeperformedbyqualifiedpersonnelonly.6.2.Adisconnectswitchmustbeinstalledtobreakallcurrentcarryingconductors.Beforemakinganyelectricalconnectionensurethatthemainswitchisoff,alloftheelectricalpowerlinestotheequipmentmustbeisolated.Failuretoobservethisprecautionmayresultinseriouspersonalinjury.6.3.Allmainscablesandsignalcablesmustbeconnectedinexactaccordancewiththeoperatinginstructionstoavoidtheriskofelectricshock.6.4.Whilethedevicesarepowered,apotentiallylethalshockhaza