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6.12电气一次设备安装Installationofelectricequipment6.12.1工程范围Thescopeofengineer6.12.1.1本电站电气一次工程engineerofelectricinthepowerstation（1）发电机7.2kV电压配电装置安装工程；Theinstallationof7.2KVdistributionequipmentofgenerator（2）72kV升压变压器安装工程；Theinstallationof72KVstep-uptransformer（3）72kVGIS开关站设备安装工程；Theinstallationof72KVGISswitchyardsubstation（4）72kV户外出线设备安装工程；Theinstallationof72kvoutdoorout-goingequipment（5）0.4kV厂用电系统及坝区馈电设备安装工程；Theinstallationof0.4KVequipmentofstationanddamdistrict（6）电气一次电缆工程（包括一期砼中的预埋管路）；Theinstallationofpowercables（7）全厂照明工程；Theintalltionoflightingofpowerstation（8）全厂接地工程；Theinstallationofearthingsystemofpowerstation6.12.1.2主要工作内容Thescopeofcontract设备到货验收、保管、部分基础件和构件的制作、安装、调试、试运行、消缺处理直至移交给业主的全部工作，承担业主认为有必要的设备出厂检查验收等，Takeoverandstorageofequipment,produceofsomebasementandstructure,installation,testing,performance,handlethedefectandturnovertoowner,othersomeinspectofex-workequipmentwillbedone.6.12.2发电机7.2kV电压配电装置安装Installationof7.2KVvoltagedistributionequipmentofthegenerator6.12.2.1主要工程量及技术参数Thetechnicaldataandthescopeofinstallation发电机电压设备主要包括：共箱母线、发电机出口电流互感器、发电机断路器成套设备、隔离开关、电压互感器、避雷器、励磁回路电流互感器柜、励磁变压器、厂用隔离变压器、厂用变压器、厂用变压器回路断路器柜、限流熔断器柜及电流互感器柜。Thevoltageequipmentofgeneratorincludebusbar,currenttransformer,generatorcircuitbreaker,disconnectvoltagetransformer,lightingarrestor,excitation发电机出口断路器成套设备Thecompleteequipmentofcircuitbreakerofgenerator型号：typeKYN28-7.2额定电压：ratedvoltage7.2kV额定电流：ratedcurrent1250A额定频率：ratedfreqence50Hz额定开断电流：ratedbreakingcapicity25kA数量：number2台（套）6.12.2.2Theinstallationplanofvoltageequipmentofgegeratortobeseennext6.12.2.3施工场地布置Thelayoutofinstallationsite主回路、分支回路封闭母线及设备运抵安装区后，其开箱、检查、清点验收以及逐段清扫、调整、分段交流耐压和各段母线附件安装等项工作，均在相应机组段母线及设备安装层地面进行，地面要求干燥、清洁，并铺垫橡皮或枕木。StudythedrawinganddocumentsPrepareofinstallationprepareprepareClear,adjust,testingofbusbar油样化验adjustBusbarconnectBussbarpartinstall、connect接Earth,clear,markElectrictestBusbarandequipmentconnectInspectofpackageBusbarlift,breakgapadjustEquipmentlocatedMaincircuitandbranchbusbarwillbeinspected,thencleared,adjusted,tested,andthesomepartwillbeinstalled,theseworkwillbedoneintheplacewherethemainequipmentwillbeinstalled.theplacewillbeclear,dry,andhaverubberorcrosstie6.12.2.4发电电压设备及母线安装主要施工方案Themainplanofinstallationofvoltageequipmentandbusbarofgenerator.（1）基础埋件制作及安装Theinstallationandproduceofembeddedpart按图纸要求制作基础埋件，在不影响土建砼浇筑施工为原则下，随土建施工进度按设计图纸要求进行基础埋件的予埋。Producethepartaccordingtothedrawing,withthecivildeveloping,installtheembeddedpart.（2）基础埋件处理及测量放点Processofbaseembeddedpartandmeasuremark（3）设备基础及母线基础构架安装Installationoffoundationofequipmentandbusbar（4）发电电压设备及其母线的现场转运和吊装就位Transportandhoistingofvoltageequipmentandbusbar（5）母线的安装调整Installationandadjustofbusbar（6）母线安装完毕进行全面彻底的清扫、检查，在与电气设备连接前按规定要求进行电气检验及整体工频交流耐压试验。Afterfinishingtheinstallationofbusbar,clearcheckeverywherethentestingthepowerfrequencevoltage.（7）发电电压设备安装Installationofvoltageequipmentafterfinishinspect,clearsite,checkthelist,civilworkisfinished.（8）按设计图进行接地。Earththeequipmentaccordingthedrawing6.12.2.5发电电压设备及其母线现场检查试验与验收AccordingtotheIECandtheChinanationalstandard,checkthevoltageequipmentandbusbarinthesite.6.12.2.6安全措施Hoistingbyprofessionalworker,workingwithsafetycap,andhavefirefightingequipment.6.12.2.7主要施工工机具ImportantinstallingtoolNO.nameDescribeunitquntitynotemark1Weddingmachine22forklift2.5ton23WaterlevelS314Nylonhangingstrip2tonDouble105Torquespanner0—100Nmpieces46Leadingchain1—2ton207Electricdrill18cleaner19Steelwirewithnylonsheath1ton3010Oxygen,ethine111car8ton112crane8ton16.12.2.8MaterialNO.nameDescribeunitquntitynotemark1Steelt1.52Steelplateδ=10～16mmt23Woodenplateδ=20~40mmm³0.56.12.372kV升压变压器安装Theinstallationof72KVstep–uptransformer6.12.3.1技术参数。Technicaldataandengineer72kV升压变压器安装工程包括升压变压器、中性点设备及控制柜。升压变压器低压侧采用共箱母线和发电机电压配电装置相连接，变压器高压侧与GIS连接采用管道母线。该电站电气设备最大运输重量为主变压器，主变压器充氮最大运输重量约t。Theengineerofinstallationofmaintransformerincludestep-uptransformer,neuturalequipmentandcontrolpanel.type：SF10-4500/69Ratecapicity：4500kVARatedvoltage：69±2×2.5%/6.6kVNumberofphase:3Windingtype：YN，dllThetypeofchangevoltage：NoloadtapchangerinHVRatedfrequence：50HzImpedancevoltage：13％cooling：ODWFnumber：26.12.3.2InstallationPrepareforinstallationEmbeddedthebasepartTransformertositeChargetheoilCheckthetankWireconnectandpartinstallVacuumchargeoilHotoilcirculateOiltestChecksealOilleveladjustOiltestElectrictestOiltestHVconnectInstallneutralequipmenttequippmenLocalpanelinstallWireconnectTestingpartCheckthelistCheckthepartFiltertheoilInspectoilFilteroilcheckoil6.12.3.4施工布置Prepareforinstallation,includeembeddedthehook,preparetwooiltank,pipe,vacuumfilter,vacuumpumpetc6.12.3.5主变安装就位Maintransformerlocatedinthesiteaccordingdrawing6.12.3.6安装方案Theplanofinstallationoftransformer（1）主变安装前的保管Storgebeforeinstallationoftransformeraccordingtomanufactureruleandstandard.（2）主变及配电装置安装Installationoftransformeranddistributionequipment,chargeoil,assemblethepipeline,installationofHighvoltageandLowvoltagebushing,reservoiretc.6.12.3.7Inspectionandacceptance主变及中性点设备的试验将按厂家说明书和中国现行的国家标准的有关方法和要求进行验收。Acceptanttestwillbedoneaccordingtomanufactureandstandard(IECorna