1 Powerfeedbackcommissioning measureWord格式.docx

1 Powerfeedbackcommissioning measureWord格式.docx

《1 Powerfeedbackcommissioning measureWord格式.docx》由会员分享，可在线阅读，更多相关《1 Powerfeedbackcommissioning measureWord格式.docx（14页珍藏版）》请在冰豆网上搜索。

Verified：

Approved：

QingdaoHuafengWeiyeElectricPowerTechnology

Engineeringco.,Ltd.

Oct2010

1.Commissioningpurpose

ThismeasureisspeciallymadetoensuretheauxiliarypowerfeedbackofOgungasturbinecombinedcyclepowerplantgosmoothlyandsafety.

2.Commissioningbasis

2.1“Qualityinspectionandevaluationcriteriaofpowerprojectadjustingandtestrunning”（Powerindustrialdepartmentin1996edition）.

2.2“StartupandAcceptanceRegulationsforpowerplantfundamentalconstruction”（PowerindustrydepartmentMarch1996）

2.3Manufacturertechnicalspecificationsanddrawings.

2.4NigeriaOgungasturbinecombinedcyclepowerplantconstructiondrawingelectricpart.

3.Powersupplyrange

AuxiliarypowerfeedbackisscheduledatNovember6th2010.Thispowersupplyrangeisdecidedaccordingtotheauxiliarypowerfeedbackneeds.

a.330kVIbus-bar,IIbus-bar

b.#0Startup/backuptransformer

c.6.6KVbackupsectionbus-bar

d.6.6KVworksectionbus-bar,ⅠsectionandⅡsection

e.commontransformerA,#1unitlowervoltageauxiliarytransformerAand#1unitlowervoltageauxiliarytransformerB.

f.400VcommonsectionPC40A,400VcommonsectionPC40B,400VworksectionPC41Aand400VworksectionPC41B,circulationwatersectionA、B,chemicalwatersectionA.

4.Organizationandworkdivision

4.1Projectorganization

Auxiliarypowerfeedbackistobecompletedthroughthecooperationofcommissioningdepartment,erectiondepartmentandoperationcompany.

4.2Projectworkdivision

Commissioningdepartmentistakingfullcharge,responsiblefortheworkofpowerfeedbackleadwork,measurementanddatacollection.Erectiondepartmentisinchargeofthewholeprocesssupervising,measurementandfaulteliminationwork.Operationcompanyinchargeof330KV,6.6KVand400Voperationandrelevantpartsmeasuringandequipmentsuperviseandmaintenance.

Beforepowersupply,commissioningdepartmentorganizeacheckgroupincludingeachconcerningcompaniestogiveafullcheckofeachpowersupplyequipments.Specialpersonnelwillbeappointedtowatchovertheequipmentsduringthepowersupplyprocess,anyproblemhappenedshouldreporttothegeneralcommanderintime.

5.Toolsandinstruments

Insulatedgloves,insulatedshoes,universalmeter,phasesequencemeter,phaseanglemeter,2500Vmegger（theabovetoolsandinstrumentsshouldallbetestedqualified,andthequalificationcertificatewithinvalidterm）,talkerandwarningboard,etc.

6.Necessaryconditionsforpowersupply

6.1Alltheconcerningprimaryandsecondaryequipmentsinpowersupplyrangeareerected,finishedcommission,checkedandacceptedqualified,readyforthepowersupplyaccordingtotheregulationsandanti-failuremeasuresreleasedbyinternationalofnationalministries.（switchyardsupervisorycontrolling,protection,surveyingandmeasuringsystemcommissioningcompleted;

startupstandbytransformercontrolling,forced-aircooling,surveying,measuringandprotectingsystemcommissioningcompleted;

auxiliarypowersupplyDCSrelevantcommissioningcompleted;

6kV,lowvoltagetransformerand400Vpowersupplysystemcommissioningcompleted;

allthecurrentandvoltagemetersincorrectoperation.）

6.2Alltherelevantprimaryandsecondaryequipmentsareclearlyandcorrectlynumberedwithcautionsign.

6.3Primaryandsecondaryequipmentsinpowersupplyrangeareinnormalinsulatingoperation.CTiscircuitwithoutshortcircuitandPTiscircuitwithoutopencircuit.

6.4Alltheequipmentsinpowersupplyrangearesurveyingandmeasuringincorrectloopandputthemintooperation.

6.5Alltheequipmentsinpowersupplyrangeputintooperationwithsettingcorrectprotectionsetpoint.

6.6Alltheworksconcerningtheprimaryandsecondaryequipmentsusedinthispowersupplyarecompleted;

theconstructionpersonnelwithdrawformthesite.

6.7Allthepowersupplyareaareclearandclean,roadsclear,withsufficientillumination,necessaryfireequipmentsareequippedaccordingtotheregulations.

6.8Communicationequipmentscompleteandsufficient,ensuringfreecommunication.Clearlyworkdivisionandunifiedcommand.

7.Powersupplyprocedure

7.1strike330kVIbus-bar

7.1.1Checkallthegroundingbladesandisolationswitchesconnectedwith330kVIbusbarareinopenposition,localcontrolpowersupplyairswitchareatopenposition.

7.1.2CheckIbusbarPTlocalterminalboxvoltagecircuithasnoshortcircuitandthrowsinsecondaryvoltageairswitch.

7.1.3Check3301circuitlocalcontrolboxACandDCmainsairswitchthrowincorrectoperationandcontrollinghandleatthedistanceposition.

7.1.4Check3301circuitbreakermonitorpanelsecondarypowersupplyairswitch,installedpressedboardandcontroloptionswitchthrowincorrect.

7.1.5Check3301circuitbreakerprotectivepaneldevicepowersupplyairswitch8Karethrowincorrect.

Set“overcurrentIsectionprotection”setpointas0.2A/0Sand“chargingprotection”setpointas0.2Atemporarily.

Put“8LP4throwinchargingprotection”and“8LP6throwinovercurrentprotection”intofunctionpressedboard.

Throwin“8LP1tripping1coil”and“8LP2tripping2coil”trippingpressedboard.

7.1.6Checkbusbarandcommonmonitorpanelsecondarypowersupplyairswitch,installedpressedboardandcontroloptionswitchthrowincorrect.

7.1.7Check2phaseIdifferentialprotectionA、Bpanelpowersupplyairswitchwerealreadythrownin.

Throwin“1LP1throwinbusbardifferentialprotection”、“1LP2throwincircuitbreakerfailureandstarttripping”functionbaffle.

Quitallthetrippingoutputbaffles.

7.1.8Connectwith1phaseoperators;

quitallthetrippingoutputbafflesof1phaseIdifferentialprotectionAandBpanel.

7.1.9KeepwatchonallIbusbargroundingblade,isolatorand3301circuitbreakeronNCS,andmakesuretheyareincorrectconditionandhavenoabnormalsignals.

7.1.10Throwin33011,33012isolatingswitchmotivepowerandcontrolpowersupply.Throwin3301circuitbreakerprotectivepaneloperationboxpowersupply.

7.1.11Close33011isolatingswitchand33012isolatingswitchonNCSinorder,checkisolatingswitchesareswitchedin.

7.1.12Close3301circuitbreakeronNCS,strikeIbusbus-bar.Monitoringandrecordingthestrikecurrentofbusbar.（InAppendix）

7.1.13Monitor330kVIbusbarAphasevoltageisnormal,andarrangemeasurerstoinspectandrecordatallthelocalmeasuringpoint.（InAppendix）

7.1.14Checkandconfirmboth1phaseand2phaserelevantIdifferentialprotectionA,Bpanelshavenodifferentialprotectionactionandhavenoobviousdifferentialcurrent.

7.1.15Afterthistime’sstrikingnormal,open3301circuitbreaker.Strikeitforthesecondtimeafter10minutes,andmaintainbusbarhaspowerforanother5minutes,andstrikeitforthethirdtimeafter10minutes,thendonotopen3301circuitbreakerafterhavingthethirdtimesstrike,thestrikingtestfortheIbusbarisover,

7.1.16Recover3301circuitbreaker“overcurrentIsectionprotect”,“chargingprotect”originsetpoint,quit“8LP4throwinchargingprotect”functionpressedboard.

Throwinphase2IbusbardifferentialprotectionA、Bpanel“1LP4trip3301circuitbreaker”trippingpressedboard.

Recoverphase1IbusbardifferentialprotectionA、Bpaneltheorigintrippingcircuitpressedboard.

7.2Strike330kVIIbusbar

7.2.1Checkallthegroundingbladesandisolationswitchesconnectedwith330kVIIbusbarareinopenposition,localcontrolpowersupplyairswitchatopenposition.

7.2.2CheckIIbusbarPTlocalterminalboxvoltagecircuithasnoshortcircuitandthrowinsecondaryvoltageairswitch.

7.2.3Check3302circuitlocalcontrolboxalternating-currentandDCmainsairswitchthrowincorrectoperationandcontrollinghandleatthedistanceposition.

7.2.4Check3302circuitbreakermonitorpanelsecondarypowersupplyairswitch,installedpressedboardandcontroloptionswitchthrowincorrect.

7.2.5Check3302circuitbreakerprotectivepaneldevicepowersupplyairswitch8Karethrowincorrect.

7.2.6Checkphase2IIdifferentialprotectionA、Bpanelpowersupplyairswitchwerealreadythrownin.

Throwin“1LP1throwinbusbardifferentialprotection”and“1LP2throwincircuitbreakerfailureandstarttripping”functionbaffle.

7.2.7Connectwith1phaseoperators,quitallthetrippingoutputbafflesofphase1IbusbardifferentialprotectionAandBpanel.

7.2.8KeepwatchonallIIbusbargroundingblade,isolatorand3302circuitbreakeronNCS,andmakesuretheyareincorrectconditionandhavenoabnormalsignals.

7.2.9Throwin33021,33022isolatingswitchmotivepowerandcontrolpowersupply.Throwin3302circuitbreakerprotectivepaneloperationboxpowersupply.

7.2.10Close33021isolatingswitchand33022isolatingswitchonNCSinorder,checkisolatingswitchesareswitchedin.

7.2.11Close3302circuitbreakeronNCS,strikeIbusbus-bar.Monitoringandrecordingthestrikecurrentofbusbar.

7.2.12Monitoring330kVIIbusbarAphasevoltageisnormal,andarrangemeasurerstoinspectandrecordatallthelocalmeasuringpoint.

7.2.13