光伏发电工程验收规范 GBT 50796-2012 （英文版）

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Foreword

ThiscodeispreparedbyChinaGuohuaEnergyInvestmentCo.,LtdinconsultationwithassociatedactivitiesinaccordancewiththerequirementsofDocumentJB〔2010〕No.43issuedbytheMinistryofConstruction(MOC)-"NoticeonPrintingtheDevelopmentandRevisionPlanofNationalEngineeringConstructionStandardsin2010".

Inpreparingthisstandard,thedraftingworkgroupmadeextensivesurveysandanalysis,heldseveralsubject-focusedseminarsanddrewonpracticesinthefieldofacceptanceofphotovoltaicpowerprojectsinrecentyearsinChina,andthenonthisbasistooknationwideinputsfrominterestedpartiesbymultiplemeansofcommunication,andorganizeddiscussionsandstudyonmajorissues,andfinalizedthepresentversionaftersubmittingforreviewandapproval.

Thisspecificationcomprisesofsevenchaptersandsixappendices,coverstechnicallygeneralprovisions,terms,basicrequirements,acceptanceofUnitProject,acceptanceforProjectstart-up,acceptanceforcommissioningandtransfertoproduction,andfinalacceptance.

ThisspecificationisunderjurisdictionofTheMinistryofHousingandUrban-RuralDevelopmentofChinaismaintainedbyChinaElectricityCouncilandinterpretedtechnicallybyChinaGuohuaEnergyInvestmentCo.,Ltd.Interestedpartiesarekindlyrequestedtomailrecommendationsconcerningthe

contentshereintoGuohuaEnergyInvestmentCo.,Ltd.(Address:GuohuaInvestmentBuilding,No.3

SouthRoadofDongzhimen,DongchengDistrict,Beijing,P.R.C.,Postcode:100007),tofurtherimprovethequalityofthisspecification.

Chiefdevelopmentorganizations,participatingorganizations,chiefdraftingstaffandchiefreviewingstaffofthecodeare:

ChiefDevelopmentOrganizations:

GuohuaEnergyInvestmentCo.,Ltd

ChinaElectricityCouncil

ParticipatingOrganizations:

GCLSolarSystemLimited

BeijingCORONAScienceandTechnologyCo.,Ltd

InstituteofElectricalEngineeringofChineseAcademyofScience

HuadianNewEnergyDevelopmentCo.,Ltd

ChinaHuadianElectricPowerResearchInstitute

GezhoubaGroup'sElectricPowerCo.Ltd

SuntechPowerHoldingsCo.,Ltd

LDKSolar

GS-SOLAR(Fujian)Co.,Ltd

ChiefDraftingStaff:

XieJianningXuYongbangXuHonghuaShiYuewenGaohui

WangWenpingYaoWeixingGuHuaminZhuWeigangWuShaohuaShaoJiLiuQingchaoZhangQingyuanGaoPengfeiYuYun

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LiChunLiuLiminLengJiguoWangShengliLiangZhe

HuangChuanzhongZhangLinglingWangZhiwei

ChiefReviewingStaff:

GuoJiabaoWangYiLiChunshanChenXiYiChuanbaoRenYuqing

YaoMinchengLiBinWangHongboShiSiqiangWuFubaoChenMoziLuZhigangZhuGengfuYanYutingWangLiJiaYangangLvPingyangSunYaojieYangWeiboLiYangZhangYouquanWuJie

Contents

1GeneralProvisions (1)

2Terms (2)

3BasicRequirements (3)

4AcceptanceofUnitProject (6)

4.1GeneralRequirements (6)

4.2CivilWorks (7)

4.3Installation (8)

4.4Planting (11)

4.5SecurityandProtection (11)

4.6FirePreventionandProtection (12)

5AcceptanceforProjectStart-up (13)

5.1GeneralRequirements (13)

5.2AcceptanceforStart-up (13)

6AcceptanceforCommissioningandTransfertoProduction (15)

6.1GeneralRequirements (15)

6.2AcceptanceforCommissioningandTransfertoProduction (15)

7FinalAcceptance (17)

AppendixADocumentstobeSubmittedinAcceptance (19)

AppendixBReferenceDocumentstobeProvidedinAcceptances (20)

AppendixCAcceptanceCertificateforUnitProjects (22)

AppendixDAcceptanceCertificateforStart-up (26)

AppendixEAcceptanceCertificateforCommissioningandTransfertoProduction (30)

AppendixFAcceptanceCertificateforCompletion (34)

ListofQuotedStandards (38)

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1GeneralProvisions

1.0.1Thiscodeisformulatedtoassurethequalityofandprovideguidanceandnormsfortheacceptanceofphotovoltaicpowerprojects.

1.0.2Thiscodeisapplicabletotheacceptanceofnew,modifiedandexpandedgroundahdrooftopphotovoltaicpowerprojectsconnectedtopowergridwithanratedvoltageof380Vorabove,itisnotapplicabletoBIPV(BuildingIntegratedPhotovoltaic)andhouseholdPVprojects.

1.0.3PhotovoltaicpowerprojectsshallbesubjectedtocomprehensiveacceptancecheckthatisdividedintofourstagesincludingUnitProject,projectStart-up,CommissioningandTransfertoProduction,andprojectcompletion.

1.0.4Appropriateacceptanceorganizationshallbeestablishedasperrequirementforeachstageacceptance,andaleadingunitshallbedeterminedforsuchanorganization.

1.0.5Besidesthiscode,theacceptanceofphotovoltaicpowerprojectsshallcomplywithothercurrentnationalstandards.

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2Terms

2.0.1Photovoltaicpowerproject

Photovoltaic(PV)powerprojectisphysicalengineeringthatconvertssolarenergyintoelectricityusingPVmodulesandiselectricallyconnectedtopublicpowergrids.APVpowerprojectconsistsofPVmodules,inverters,electriclines,monitoring/controlsystem,andbuildings(structures).

2.0.2Photovoltaicpowerstation

APVpowerstationisapowerplantthatconvertssolarenergyintoelectricitythroughPVmodulesandsupplieselectricpowertopublicpowergridsatthecommandofgriddispatchingdepartment.ItconsistsofprimaryequipmentsuchasPVmodules,inverters,electriclines,switches,transformersandreactivepowercompensationdevices,andsecondaryequipmentsuchasrelayprotection,in-stationmonitoring/controldispatchingautomationandcommunications.

2.0.3Photovoltaicpowerunit

InaPVpowerstation,acertainnumberofPVmodulestringsareconnectedtoacombinerbox,fromwhichpowerisinvertedbyaninverterandthen,boostedbyanisolatedstep-uptransformertotherequiredfrequencyandvoltageofthegrid.ThesecollectivePVstringsarecalledaPVpowerunit.

2.0.4Qualityofappearance

Theexteriorqualityofaprojectdeterminedthroughobservationsandnecessarymeasurements.

2.0.5Planting

Plantingoftrees,flowers,lawn,vegetation,etc.

2.0.6Securityandprotection

Anengineeringthatisimplementedbycomprehensiveuseofsecurityandpreventiontechnologiesandothertechnologiestoestablishasystemwithfunctionsofanti-intrusion,anti-theft,anti-damage,anti-robbingandexplosion-proof(ortheircombination)forthepurposeofensuringpowerstationsecurityandpreventingmajoraccidents.

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3BasicRequirements

3.0.1Projectacceptanceshallbebasedonthefollowing:

1Currentapplicablenationallaws,regulations,rules,andtechnicalstandards.

2Provisionsofauthoritiesconcerned.

3Projectapprovaldocumentsandapprovedadjustedestimates.

4Approveddesigndocuments,constructiondrawings,andrelateddocumentsofengineeringchanges.

3.0.2Projectacceptanceitemsshallincludebutnotlimitedto:

1Checkwhethertheworksareconstructedtotheapproveddesign.

2Checkthequality-relateddocumentationofcompletedworksincludingdatacollection,sorting,filingintheprocessofdesign,construction,equipmentmanufacturingandinstallation.

3Checksafetymanagementinconstruction.

4Checkifthenecessaryconditionsareavailableforputtingintooperationorproceedingtothenextstage.

5Checkprojectinvestmentcontrolandtheusagesofthefunds.

6Presentsolutionstoremainingproblemsidentifiedinacceptance.

7Makeassessmentofandconclusionsonproject.

3.0.3Theconclusiononacceptanceshallbesubmittedtoacceptancecommittee(workgroup)forreviewandapproval.

3.0.4Acceptanceshallbedulyorganizedwhenconditionsforprojectacceptancearesatisfied.Worksthatarenotsubjectedtoorfailacceptanceshallnotbehandedoverforproductionorproceedtofollow-upconstruction.Acceptanceworkshallbeinterconnectedwithoutoverlap.

3.0.5TheresponsibilityforacceptanceofUnitProject,Start-up,CommissioningandTransfertoProduction,andFinalAcceptanceiswithanacceptanceteamorcommitteerespectivelyestablishedforsuchpurpose.

3.0.6Theacceptancedatashallbecollectedandsortedoutanddulysubmittedasperrequirementsbyconstructionunitsconcernedwhichshallcheckthecompletenessandformatofsubmitteddada.

3.0.7Acceptancedocumentsareclassifiedintosubmittedfilesandilesforfuturereference.Theorganizationsconcernedshallguaranteeandaccountforauthenticityofthesubmittals.RefertoAppendixAandAppendixBtothisstandardforlistofacceptancedocuments.

3.0.8Responsibilitiesofthepartiesinvolvedinprojectacceptancearedefinedasfollows:

1TheOwnershall:

1)Organizeandco-ordinateacceptanceworkateachstageandtakechargeofmanagerialworkinprocessofacceptance.

2)Takepartincheckandco-ordinationofspecializedteamsateachstage.

3)Coordinatetoresolveproblemsarisingfromexecutionofthecontractduringacceptance.

4)Provideasummaryreportonprojectconstruction.

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5)Providereportsforcompletionacceptanceconcerningprojectcompletion,executionoftheestimates,projectsettlement,andimplementationoftheplansforsoilandwaterconservationandenvironmentalprotection.

6)Workwithrelatedorganizationstodofinalsettlementandaudit.

2Thesurveyoranddesignershall:

1)Verifyconstructionrecordsconcerningcivilandfoundationworks.

2)Solvetechnicalproblemsindesignandmakenecessarychangestothedesign.

3)Beresponsiblefortheprojectdesignconceptandqualityandpresentafinalreport'onprojectdesignforthepurposeofacceptance.

3TheContractorshall:

1)Provideacompletesetofconstructionrecords,testrecords,andaconstructionsummary.

2)Collectandprovideacompletesetofequipmentpackingdocumentsanddrawings.

3)Participateintheacceptanceateachstageandundertaketocorrectdefects.

4)Co-operatewiththeOwnerinjobsconcerningsitesafety,firefighting,guarding,andmaintenanceandrepairbeforeacceptanceofUnitProject,forstart-up,commissioningandtransfertoproduction.

5)Submitthecompletiondocumentsandhandoverspareparts,specialtools,andinstrumentsasrequiredbytheconstructionmanagingorganization.

4Thecommissioningorganizationshall:

1)Prepareacommissioningprogramandastart-upplan.

2)Comprehensivelycheckthesystemconditionsbeforecommissioningandassurethesafetymeasuresmeettherequirementsinthecommissioningplan.

3)Providetechnicalanalysisofproblemsfoundduringcommissioningandsolutions.

4)Submitacompletesetofrecordofequipmentcommissioning,commissioningreportandsummary,andconfirmwhetherstart-upcanbeperformed.

5Thesupervisingorganizationshall:

1)OrganizeacceptanceoftheitemprojectsandthePartProjects.

2)Evaluateprojectqualityaccordingtothedesignandrelatedacceptancespecifications.

3)Superviseandmanagethequality,safety,andprogressofprojectstart-up.

4)Participateindiscussionsonstart-upcommissioningprogram,measures,planandprocedures,andinacceptanceandsigningofprojectstart-upcommissioning.

5)Checkandconfirmwhetherconditionsforstart-uparemet,andurgetheContractorstocompleteallthejobsnecessaryforstart-up.

6TheOperatorshall:

1)ParticipateinacceptanceonStart-up,CommissioningandTransfertoProduction,andcompletion.

2)Participateinthepreparationofacceptanceprogramandacceptancesigningoff.

3)Participateinthereviewofthestat-upcommissioningplan.

4)Printrulesandregulations,systemcharts,recordtablesforproductionandoperation.

5)Preparesparepartsandsafetyappliance.

6)Checktheequipmentinoperationhavedesignationsandnumbersfordispatchingand

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completeandcorrectmarkings,andsubmitanapplicationforthecommissioningofnewequipmenttothedispatchingdepartment.

7Theequipmentmanufacturersshall:

1)Providetechnicalsupportandinstructions.

2)Dulyremovemanufacturedefectsandsolveproblemsintheircharge.

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4AcceptanceofUnitProject

4.1GeneralRequirements

4.1.1UnitProjectisclassifiedintofivemajorcategories:civilworks,installation,planting,securityandprotection,andfirepreventionandprotection.

4.1.2EachUnitProjectconsistsofseveralPartProjects.AcceptanceofUnitProjectshallbeorganizedbytheOwnerafterthePartProjectsarequalifiedthroughacceptance,

4.1.3PartProjectconsistsofseveralItemProjects.AcceptanceofPartProjectsshallbeorganizedbythechiefsupervisoryengineeraftertheItemProjectsarequalifiedthroughacceptance.

4.1.4AcceptanceofItemProjectsshallbeorganizedbythesupervisingengineerafterContractorhasqualifieditselfthroughcheckandevaluation.

4.1.5AcceptanceofUnitProjectshallmeetthefollowingrequirements:

1Qualitycontroldocumentationiscomplete.

2ThecheckdataonsafetyandfunctionalityofPartProjectsofaUnitProjectarecomplete.

3Spotcheckresultsofmajorfunctionsshallcomplywithappropriatetechnicalrequirements.

4Appearancequalitymeetstheacceptancerequirements.

4.1.6CompositionandmainresponsibilitiesoflUnitProjectacceptanceteam:

1TheUnitProjectacceptanceteamisestablishedbytheOwnerandcomposedofchiefsfrominterestedpartiesincludingtheQwner,thedesigningorganization,thesupervisor,theContractor(s),andthecommissioningorganization,andspecializedtechnicalpersonnel.

2TheUnitProjectacceptanceteamshall:

1)CommandandcoordinateinspectionsandacceptanceofPartProjects,ItemProjects,allstagesofconstructionandinstallationinallspecialties.

2)DulyorganizeorganizationsconcernedandspecializedpersonneltoformacceptanceteamsforPartProjectsandItemProjectsaccordingtotheworkprogress.

3)ListentotheoralreportpresentedbyContractorsonprojectconstructionandqualityevaluation.

4)Putforwardproposalsfordefectsfoundduringinspectionsandoverseeconcernedorganizationstocorrectthedefectswithinagiventimelimit.

5)ProvideoverallassessmentofUnitProject,andsign"LetterofAcceptanceofUnitProject"RefertoAppendixC.

4.1.7UponcompletionofUnitProject,theContractorshalldulyapplytotheOwnerforacceptance.TheUnitProjectacceptanceteamshalldulyestablishspecializedacceptanceteamstoperformacceptance.

4.1.8AcceptanceofUnitProjectshall:

1CheckwhethertheUnitProjectcomplieswiththeapproveddesigndrawings,designchangenotice(s)andtechnicalrequirementsforconstruction.

2Checkconstructionrecordsandmaterialcertificatesandinspectionreports.

3Checkinspectionrecordsandreportsfromthesupervisorofmajorprocessesandconcealed

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works.

4ChecktheappearanceandoverallqualityoftheUnitProjectagainsttheacceptancerequirements.

5Providesolutionstoproblemsfoundduringtheinspection.

6QualityevaluationoftheUnitProject.

7Sign"LetterofAcceptanceofUnitProject".

4.1.9AcceptanceofPartProjectsshallmeetthefollowingrequirement:

1Documentsrelatingtoqualitycontrolarecomplete.

2InspectionresultsandsamplesofthesafetyandfunctionsoftheItemProjectsunderthePartProjectsshallmeetrelatedrequirements.

3Appearancequalitymeetsrequirements.

4.2CivilWorks

4.2.1AcceptanceofcivilworksincludesthatofPartProjectssuchassupportfoundationofPVmodules,fieldandundergroundfacilities,andstructures.

4.2.2Constructionrecords,acceptancedocumentsofconcealedworks,documentsofqualitycontrol,andrecordsofselfinspectionandacceptanceshallbecomplete.

4.2.3ThesupportfoundationofPVmodulesshallmeetthefollowingrequirements:

1Single(strip)concretefoundationshallcomplywiththecurrentnationalstandardCodeforAcceptanceofConstructionalQualityofConcreteStructuresGB50204.

2PilefoundationshallcomplywiththecurrentnationalstandardCodeforAcceptanceofConstructionQualityofBuildingFoundationGB50202.

3Exposedbuilt-inmetalparts(built-inbolts)shallbeprotectedagainstcorrosion.

4Theseatforroofsupport'shallbeconstructedinsuchawayasnottocausedamagetothemainstructureofthebuildingandthewaterprooffunctionoftheroof.Theseatshallbefirmlyandreliablyconnectedtothebearingstructuresofthebuilding.

5Tolerancesofaxislines,elevation,crosssectionandverticalityofthesupportfoundationandtolerancesofthesizesofbuilt-inbolts(parts)shallcomplywiththecurrentnationalstandardCodeforConstructionofPVPowerStationGB50794.

4.2.4Fieldandundergroundfacilitiesshallmeetthefollowingrequirements:

1Thesitelevelingshallmeettherequirementinthedesign.

2Roadsshallmeetthedesignrequirements.

3Cabletrenchshallmeetthedesignrequirements.Thetrenchshallbefreeofforeignmaterials,andshallbeequippedwithcompletecoversandsealinganddrainagefacilities.

4Watersupplyanddrainagefacilitiesshallmeetthedesignrequirements.

4.2.5AcceptanceofItemProjectssuchasinverterroom,switchroom,complex,masterbuilding,step-upsubstation,fence/wallofthebuildings(structures)shallcomplywiththecurrentnationalstandardsUnifiedStandardforConstructionalQualityAcceptanceofBuildingEngineeringGB50300,andCodeforAcceptanceofConstructionQualityofSteelStructuresGB50205,aswellasrelevantdesignrequirements.

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4.3Installation

4.3.1AcceptanceofinstallationincludesuchPartProjectsassupports,PVmodules,combinerbox,inverter,electricalequipment,lightningprotectionandgrounding,electriclinesandcables.

4.3.2Completeproductmanuals,testrecords,certificates,installationdrawings,sparepartsandspecialtoolsandrelatedlists.

4.3.3Completedocumentssuchasrecordsandreportofequipmentsampling,installationandstart-up,signedrecordsofkeyproceduresduringconstruction,andrecordsofqualitycontrolandselfinspectionandacceptance.

4.3.4Installationofsupportsshallmeetthefollowingrequirements:

1Installationoffixedsupportsshallmeetthefollowingrequirements:

1)InstallationoffixedsupportsshallcomplywiththecurrentnationalstandardCodeforAcceptanceofConstructionQualityofSteelStructuresGB50205.

2)Forsupportsusingfasteners,thefasteningportionsofshallbefirmandsoundwithspringwasherbeingpressedflat.

3)Supportsshallbeerectedtothevertieality,levelness,andangletolerancespecifiedinthecurrentnationalstandardCodeforConstructionofPVPowerStationGB50794.

4)TolerancesfortheinstallationoffixedsupportsshallcomplywiththecurrentnationalstandardCodeforConstructionofPVPowerStationGB50794.

5)Manuallyadjustablesupportsshallhavetheelevationangleadjustmenttothedesignrequirements.

6)Corrosionprotectionoffixedsupportsshallmeetthedesignrequirements.

7)SupportsofmetalstructuresshallbereliablyconnectedtothegroundingsystemofPVarrays.

2Installationoftrackingsupportsshallmeetthefollowingrequirements:

1)InstallationoftrackingsupportsshallcomplywiththecurrentnationalstandardCodeforAcceptanceofConstructionQualityofSteelStructuresGB50205.

2)Fastenersofsupportsshallbefirmlyfastenedwithoutunevenspringwasher.

3)Whenthetrackingsupportissettoworkinmanualmode,themanualmovementshallmeetthedesignrequirements.

4)Whenthetrackingsupporthasamanualoperationmodewithlimits,themanualmovementshallmeetthedesignrequirements.

5)Movementinautomaticmodeshallmeetthedesignrequirements.

6)Highwindprotectionshallmeetthedesignrequirements.

7)Energizing/De-energizingtestingshallmeetthedesignrequirements.

8)Trackingprecisionshallmeetthedesignrequirements.

9)Thetrackingcontrolsystemshallmeetthetechnicalrequirements.

4.3.5InstallationofPVmodulesshallmeetthefollowingrequirements:

1InstallationofPVmodulesshallmeetthefollowingrequirements:

1)PVmodulesshallbeinstalledtothedesigndrawings,andthenumberofconnectionsandtheroutesshallmeetthedesignrequirements.

2)AppearanceofPVmodulesandterminalboxesandconnectorsshallnotshowanydamage.

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3)ConnectorsbetweenPVmodulesshallbefirmlyconnected,andtheconnectingwiresshallbetreatedtohaveaneatandgood-lookingappearance.

4)TheinclinationangleforinstallationofPVmodulesshallcomplywiththecurrentnationalstandardCodeforConstructionofPVPowerStationGB50794.

5)DifferenceintheheightofPVmodulesshallcomplywiththecurrentnationalstandardCodeforConstructionofPVPowerStationGB50794.

6)TheinsulationresistanceofPVarraysshallmeetthedesignrequirements.

2Wiringshallmeetthefollowingrequirements:

1)PVmodulestringsshallbeconnectedinparallelorseriestothedesignrequirements.

2)MarkingofPVmodulestringsshallmeetthedesignrequirements.

3)Theopen-circuitvoltageandtheshort-circuitcurrentofPVmodulestringsshallcomplywith

thecurrentnationalstandardCodeforConstructionofPVPowerStationGB50794.

4.3.6Installationofcombinerboxesshallmeetthefollowingrequirements:

1Theinstallationpositionoftheboxbodyshallmeettherequirementsonthedesigndrawings.

2Thecombinerboxshallbecompletelymarked.

3Theboxbodyandthesupportshallbefirmlyconnected.

4Combinerboxeswithametalbodyshallbereliablygrounded.

5Heightandlevelnessofinstallationshallmeetthedesignrequirement.

4.3.7Installationofinvertersshallmeetthefollowingrequirements:

1Theappearanceoftheequipmentanditsmainpartsandcomponentsshallnothaveanydamageanddamp,andloosenedormissingcomponentsarenotallowed.

2Reviewcommissioningrecordsanddocuments.

3Thelabeloftheequipmentshallcarrytherequiredinformation,includingloadconnectionpointsandtheirpolarity.

4Invertersshallbereliablygrounded.

5InterfaceattheACsideoftheinvertershallbeinsulated.

6Allinsulationandswitchesshallfunctionnormally.

7Thecoolingfanshallworknormally.

8Inverterventilationshallmeetthedesignrequirements.

9Invertersshallbefirmlyandreliablyconnectedtothefoundation.

10Installationofsuspendedinvertersshallalsomeetthefollowingrequirements:

1)Invertersshallbefirmlyandreliablyconnectedtosupports.

2)Installationheightshallmeetthedesignrequirements.

3)Levelnessshallmeetthedesignrequirements.

4.3.8Installationofelectricalequipmentshallmeetthefollowingrequirements:

1InstallationoftransformersandmutualinductorsshallcomplywiththecurrentnationalstandardCodeforConstructionandAcceptanceofPowerTransformers,OilReactorsandMutualInductors-ElectricalEquipmentInstallationEngineeringGB50148.

2Installationofhigh-voltageelectricalequipmentshallcomplywiththecurrentnationalstandardCodeforConstructionandAcceptanceofHigh-VoltageElectricalAppliances-ElectricalEquipmentInstallationEngineeringGB50147.

3Installationoflow-voltageelectricalequipmentshallcomplywiththecurrentnationalstandard

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CodeforConstructionandAcceptanceofLow-VoltageElectricalAppliances-ElectricalEquipmentInstallationEngineeringGB50254.

4Wiringofswitchboards,cabinetsandsecondarycircuitsshallcomplywiththecurrentnationalstandardCodeforConstructionandAcceptanceofSwitchboard,CabinetandSecondaryCircuit-ElectricalEquipmentInstallationEngineeringGB50171.

5InstallationofthemonitoringsystemofPVpowerstationsshallmeetthefollowingrequirements:

1)Completedocumentsaboutcablelayingroutes.

2)Cablesizesandtypesshallmeetthedesignrequirements.Cablesshallbeorderlyarrangedinanaestheticwaywithoutexternaldamage.Cablesboundtogethershallbeclosetoeachothertoformaneatandflatappearance.Strainrelievesshallbeevenlyplacedandproperlyset.

3)Thesignaltransmissionmodeshallmatchthetransmissiondistanceforthesignalline.Thetransmissionqualityshallmeetthedesignrequirements.

4)Signallineshallbelaidseparatelyfrompowerlinesandreliablygrounded.

5)Sensorsandtransducersshallbeinstalledwhereaccuratemeasurementscanbetakenwithoutimpactofotherfactors.

6)Themonitoringandcontrollingsoftwareshallhavethefunctionalitytothedesignrequirements.

7)Themonitoringandcontrollingsoftwareshallsupportstandardinterfaces.Theprotocoloftheinterfaceshallmeettherequirementsloftheupstreammonitoringandcontrollingsystemandtherequirementsondispatching.

8)Anyfaultofthemonitoringandcontrollingsoftwareshallnotimpactnormalfunctionoftheequipmentundermonitoring.

9)Ainsulationtestingreportasperrelatedstandardshallbeprovidedforallliveequipment.

6RelayprotectionandautomaticsafetydevicesshallcomplywiththecurrentnationalstandardTechnicalCodeforRelayingProtectionandSecurityAutomaticEquipmentGB/T14285.

7AutomateddispatchingsystemshallcomplywiththecurrentprofessionalstandardSpecificationsforTheDesignofDispatchingAutomationinElectricPowerSystemsDL/T5003andrelatedrequirementsonsafetyandprotectionforsecondarypowersystems.

8InstallationofdevicesforreactivecompensationshallcomplywiththecurrentnationalstandardCodeforConstructionandAcceptanceofHigh-VoltageElectricalAppliances-ElectricalEquipmentInstallationEngineeringGB50147.

9DispatchingcommunicationsystemshallcomplywiththecurrentindustrystandardsRulesofManagementofCommunicationinElectricPowerSystemDL/T544andTechnicalSpecificationsforAutomaticExchang