-设备制造质量检验规程 Power Transformer-.docx

“设备制造质量检验规程PowerTransformer"1、SGSRefNo.:30Rev.:0Page:lof8INSPECTIONGIDELINESPOWERTRANSFoRMERDate:26/03/041NSPECTIONGUIDELINESPOWERTRANSFORMEROForApproval26032022J.C.BrottonB.TremainB.TremainJune2022Rev.DescriptionDatePreparedCheckedApprovedDateSGSRefNo.:30Rev.:0Page:2of8INSPECTI0NGUIDELINESPOWERTRANSFORMERDate2、:26/03/04CONTENTSlPURPOSE2SCOPE3PROCEDURE4DOCUMENTS5lNspectionprocess6Shipping7powertransformerdataDossiersinspectionchecklistsgsRefNo.：30Rev.：OPage：3Of8INSPECTI0NGUIDELINESPOWERTRANSFORMERDate:26/03/041.0PURPOSEThisinstructioncoverstheinspection,testandverificationactivitiesrequ3、iredtovalidatethesupply,manufactureandtestofpowertransformers.2.OSCOPEThisinstructioncoversallnecessarystagesintheproductionofpowertransformersfromtheexaminationofcertificationfromprocurementsourcestothefinalinspection,preservationandpackingtodespatchtosite.Althoug4、hthemethodologyincompilingthisinstructionistosystematicallyprogressthroughtheconstruction,experiencedinspectorsmayinterprettheintentoftheinstructiontoaccommodatelocalornovelpracticesortoutilisetheinstructionforaoneoff,oralternativedesign,thedesignhavingbeenappr5、OVedbytheclient.Anysuchvariationsshouldbenotedintheinspectorsreport.3.0PROCEDURE3.IGENERALThisinstruction,togetherwithitsassociatedchecksheet,maybeusedonanyorderorcontract.ltisintendedtoactasaguidetotheinspectorinthecourseoftheinspectorprogramme.Anypartofthe6、documentmaybeinvokedandthesectionstobeusedandthelevelofinspectionrequiredwillbespecifiedonthechecksheet.AIItestsandinspectionswillbecarriedoutagainstapproveddrawings,purchaseorderspecifications,purchasersorcompanystandardszandwithinthepracticesandrulesofthe7、country,stateorprovinceandanygovernmentdecreesjaws,ordinanceorregulationthatmayapply.lfanyconflictorcontradictionsbeapparentinanyoftheabovezthenthemoreOnerousrequirementwillapplyunlessthepurchaserorclientdirectsotherwiseinwriting.3.2REFERENCEDOCUMENTSApplicablec8、odesandSpecifications.DesigncodePurchaseorderspecificationPurchasersstandardsApproveddrawingsSGScompanystandards4.0DOCUMENTSTOBERECEIVED/AVAILABLEATINSPECTIONPurchaseorderorcontractinspectionandTestPIanDataSheetApproveddrawings,(arrangements,schematics,wiring,singleline)Su9>bassemblydrawingsand/orpartslistsMaterial/partsCertificatesWeIdproceduresandprocedurequalificationrecords(ifapplicable)PowerTransformerTestProceduresCaIibrationrecordsfortestingandmeasuringequipmentSGSRefNo.:30Rev.:0Page:4of8INSPECTI0NGUIDELINESPOWERTRANSFORMERDate:26/03/010、4Preparationandpainting/finishingprocedurepreservation,packingandshippingprocedureSpares/operatingmanualsSupplylist(packinglist)5.0INSPECTIONPR0CESS5.!MATERIALANDANCILLARYITEMS5.1.1REVIEWOFCERTlFICATIONOriginaIorauthenticatedcopiesofmillcertificateswillbeavailableatmanufact11、UrerspremisesJheseshouldbeexaminedforcompliancewithspecificationsand,whereappropriate,drawings.Thereviewwillinclude:MakersnameandlocationCertificatenumberMaterialSpecificationHeatorcastnumberChemicalcompositionMechanicalpropertiesHeattreatmentconditionSurfacefinishSt12、ructuralobservations,notabledefects.5.1.2SUBASSEMBLY/INSTRUMENT/METERCERTlFicATIONPrincipaIancillaryitemswillbesupportedbytestcertification,or(asaminimum)certificatesofconformity.Thecontentofcertificationshouldbeappropriatetotherequiredscopeoftest.lnstrumentswillbesuppo13、 rtedbyinstrumentcalibrationrecordszwhereappropriate.5.2ADDITI0NALSPECIALREQUIREMENTSMayapplyonspecialrequirements,checktoensurethatcontractrequirementshavebeenmet.5.SREPORTINGReportingonmaterials/ancillaryitemsmustinclude:ConfirmationofsatisfactorydocumentreviewRecordof14、 theendorsementofcertificatesreviewed/witnessedRecordofallnonconformitiesRecordoftestswitnessedandtheresult5.4PRE-TANKINGINSPECTIONThisinspectionshouldonlybecarriedoutbySGSifsorequiredbytheclient.SGSRefNo.:30Rev.:0Page:5of8INSPECTI0NGIDELINESPOWERTRANSFORMERDate:15、 2603045.4.1VISALINSPECTIONVisuallycheckFabricationandcleanlinessofalltankareasandofformersandframesCorrectnessofwindings,terminations,insulation,spacingandgeneralconstructionFreedomfromdamage(withparticularattentiontoinsulation),ContaminationandforeignobjectsManually16、 checksecurityofwedges5.5CONSTRUCTIONCHECK(TRANSFORMERTANKED)5.5.1VISUALANDDIMENSIONALCheckgeneralconditionChecknameplateCheckoutlinedimensions,interfacedimensionsandclearancesandOtherspecifieddimensions5.5.2GENERALARRANGEMENTCHECKCheckthatallinstruments,terminalboxes,co17、 、mpartments,controlSWitCheS,etc,areCorrectlyratedandarecorrectlyIocatedzWithspecifiedlabelling5.5.3WINDINGRESISTANCEMEASUREMENTMeasuretheresistanceofallwindings,withwindingtemperatureatrecordedambient,usingamilli-ohmeter.5.5.4MEASUREMENTOFRATIOSCheckprimarytosecondarywindi18、 ngratios,foreachphase,foralltappings,usingaratiometer.5.5.5TEMPERATURERISETESTThetransformerissubjectedtofullloadcurrentatratedselected,withmonitoringofoiltemperature(lowerandupper);coolingairtemperaturemeasuredbyvoltage(variousloading methodsmay apply),with“normal"tap19、