(变压器作业指导书英文版)method statement of electric test for transformer

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1、IndonesiaT.J.Awar-Awar2×350MWPowerPlantProjectMethodstatementofelectrictestfortransformerDoc:AAP-CMIIC4-MS-ELE-018Rev:0Date:March26th.2012CHINAMACHINERYINDUSTRYCONSTRUCTIONINC.6/6MethodstatementoftransformertestContents1.General2.Referencedocument3.Commissioning

2、preparationandworkcondition4.Commissioningmethodandrequirements5.HSEmeasuresandrequirementsCHINAMACHINERYINDUSTRYCONSTRUCTIONINC.6/6Methodstatementoftransformertest1.General1.1Thisworkinstructionisdesignedforoil-immersedtransformertestofINDONESIATANJUNGAWARAWAR2

3、*350MWpowerplantproject.1.2150kVdistributiondeviceadopts3/2breakerconnectingmethod,2setsofgeneratorunitsareconnectedto150kVbusbarviathemaintransformer.And1start/standbytransformerisdesignedasthestartandstandbypowerallovertheplant,andconnectedby150kVdistributionb

4、urbar.1setof150/20kVTFTisconnectedto150KVbusbaraccordingtothecontractrequirement.The150KVsystemismadeof4setsofcompleteparts.Theinletandoutletloopoftransformerareallinstalled3-phasevoltagetransformer,singlephasevoltagetransformerisinstalledonthe150KVbusbar.2.Refe

5、rencedocument2.1《Electricpowerindustrytechnologymanagementregulations》2.2《Manufacturerspecificationandtechnicaldocument》2.3《Designinstitutedrawingandtechnicalrequirements》2.4《Electricalequipmentsinstallationprojectelectricalequipmenthandoverteststandard》3.Commis

6、sioningpreparationandworkcondition3.1Keeptheaccessoriesandmanufacturertechnicaldocumentsarecompleteafterpositioningthetransformer,andtheproductsinspectionshallcomplywiththetechnicalagreementrequirements.3.2Testshallbeproceededinthesunnyday,andavoidtherainyorsnow

7、yday.3.3Noticetherepresentativeofmanufacturer,constructionunit,andsupervisorycompanytosuperviseonthesitebeforepositioningthetransformer.4.Commissioningmethodandrequirements4.1TransformertestprocedureCHINAMACHINERYINDUSTRYCONSTRUCTIONINC.6/6Methodstatementoftrans

8、formertestCheckofthetransformercasingpipeCTsecondarywindinginsulationTransformercasingpipeCTtestratio,polarity,secondarywindingDCresistance,protectingwindingcomprehen