《水电工程水利计算规范》（NB-T 10083-2018）英文版

ICS27.140

P59

RecordNumber:J15-2018N

ENERGYSECTORSTANDARD

OFTHEPEOPLE’SREPUBLICOFCHINA

中华人民共和国能源行业标准

PNB/T10083-2018

ReplaceDL/T5105-1999

CodeforWaterConservancyComputation

ofHydropowerProjects

水电工程水利计算规范

IssuedonOctober29,2018ImplementedonMarch1,2019

IssuedbyNationalEnergyAdministrationofthePeople’sRepublicofChina

Introduction

ThisEnglishversionisoneofChina’senergysectorstandardseriesinEnglish.Itstranslationwas

organizedbyChinaRenewableEnergyEngineeringInstituteauthorizedbyNationalEnergy

AdministrationofthePeople’sRepublicofChinaincompliancewithrelevantproceduresand

stipulations.ThisEnglishversionwasissuedbyNationalEnergyAdministrationofthePeople’s

RepublicofChinainAnnouncement[202×]No.××dated××,202×.

ThisversionwastranslatedfromtheChineseStandardNB/T10083-2018,CodeforWater

ConservancyComputationofHydropowerProjects,publishedbyChinaElectricPowerPress.The

copyrightisreservedbyNationalEnergyAdministrationofthePeople’sRepublicofChina.Inthe

eventofanydiscrepancyintheimplementation,theChineseversionshallprevail.

Manythanksgotothestafffromtherelevantstandarddevelopmentorganizationsandthosewho

haveprovidedgenerousassistanceinthetranslationandreviewprocess.

ForfurtherimprovementoftheEnglishversion,allcommentsandsuggestionsarewelcomeand

shouldbeaddressedto:

ChinaRenewableEnergyEngineeringInstitute

No.2Beixiaojie,Liupukang,XichengDistrict,Beijing100120,China

Website:

Translatingorganization:

POWERCHINANorthwestEngineeringCorporationLimited

Translatingstaff:

Reviewpanelmembers:

NationalEnergyAdministrationofthePeople’sRepublicofChina

翻译出版说明

本译本为国家能源局委托水电水利规划设计总院按照有关程序和规定，统一组织翻译的

能源行业标准英文版系列译本之一。202x年xx月xx日，国家能源局以202x年第x号公告

予以公布。

本译本是根据中国电力出版社出版的《水电工程设计洪水计算规范》NB/T35046-2014

翻译的，著作权归国家能源局所有。在使用过程中，如出现异议，以中文版为准。

本译本在翻译和审核过程中，本标准编制单位及编制组有关成员给予了积极协助。

为不断提高本译本的质量，欢迎使用者提出意见和建议，并反馈给水电水利规划设计总

院。

地址：北京市西城区六铺炕北小街2号

邮编：100120

网址：

本译本翻译单位：中国电建集团西北勘测设计研究院有限公司

本译本翻译人员：

本译本审核人员：

国家能源局

4

AnnouncementofNationalEnergyAdministration

ofthePeople’sRepublicofChina

[2018]No.12

AccordingtotherequirementsofDocumentGNJKJ[2009]No.52“NoticeonReleasingthe

EnergySectorStandardizationAdministrationRegulations(tentative)andDetailed

ImplementationRulesissuedbyNationalEnergyAdministrationofthePeople’s

RepublicofChina”,330sectorstandardssuchasthe"xxxxxxxx",including54

energysector(NB)standards,8petrochemicalsector(NB/SH)standards,and142

petroleumandnaturalgassector(SY)standardsareissuedbyNationalEnergy

AdministrationofthePeople’sRepublicofChinaafterduereviewandapproval.

Attachment:DirectoryofSectorStandards

NationalEnergyAdministrationofthePeople’sRepublicofChina

October29,2018

Attachment:

DirectoryofSectorStandards

SerialReplacedAdopted

StandardApprovalImplementation

numberTitlestandardinternational

No.datedate

No.standardNo.

CodeforWater

NB/TConservancyDL/T

382018-10-292019-03-01

35046-2014Computationof5105-1999

HydropowerProjects

…

Foreword

AccordingtotherequirementsofDocumentGNKJ[2015]No.12issuedbyNationalEnergy

AdministrationofthePeople’sRepublicofChina,“NoticeonReleasingtheDevelopmentand

RevisionPlanofSecondBatchEnergyIndustryStandardsin2014”,andafterextensive

investigationandresearch,summarizationofpracticalexperience,andwidesolicitationofopinions,

thedraftinggrouphasrevisedthiscode.

Themaintechnicalcontentsofthiscodeinclude:basicdata,floodroutingcalculation,runoff

regulationcalculation,runoffregulationcalculationforjointlyoperatedhydropowerprojects,

preparationofreservoiroperationgraphs,initialfillingcalculationforreservoir,sedimentscourand

depositioncalculationforreservoir,backwatercalculationforreservoir,calculationforhydropower

projectwithmultiplepurposes,andotherparticularcalculations.

Themaintechnicalcontentsrevisedareasfollows:

—Revisionofthecontentsof“initialfillingcalculationforreservoir”,“sedimentscourand

depositioncalculationforreservoir”,and“backwatercalculationforreservoir”,underseparate

chapters.

—Revisionofmaincontentsofwaterconservancycalculationforpumpedstoragepowerplantsand

tidalpowerplants.

—Revisionof“RunoffRegulationCalculationforCascadeHydropowerProjectsand

CompensatoryRunoffRegulationCalculationforTrans-BasinProjects”as“RunoffRegulation

CalculationforJointlyOperatedHydropowerProjects”.

—Revisionof“CalculationforHydropowerProjectswithOtherWaterUsePurposes”as

“CalculationforHydropowerProjectwithMultiplePurposes”.

—Additionofonesection“ScourandDepositioninDownstreamRiverChannel”.

—Deletionofwaterconservancycalculationrelatedtologdischarge.

NationalEnergyAdministrationofthePeople’sRepublicofChinaisinchargeoftheadministration

ofthiscode.ChinaRenewableEnergyEngineeringInstitutehasproposedthiscodeandis

responsibleforitsroutinemanagement.TheEnergySectorStandardizationTechnicalCommittee

onHydropowerPlanning,ResettlementandEnvironmentalProtectionisresponsibleforthe

explanationofthespecifictechnicalcontents.Commentsandsuggestionsintheimplementationof

thiscodeshouldbeaddressedto:

ChinaRenewableEnergyEngineeringInstitute

No.2Beixiaojie,Liupukang,XichengDistrict,Beijing100120,China

Chiefdevelopmentorganization:

POWERCHINANorthwestEngineeringCorporationLimited

Participatingdevelopmentorganizations:

POWERCHINAHuadongEngineeringCorporationLimited

POWERCHINAZhongnanEngineeringCorporationLimited

Chiefdraftingstaff:

6

LIPingFENGLiWANGSheliangWANGFei

ZHOUTiezhuSONGZhenZHANGPingRENZaimin

ZHAOSongYangZhongminLIJianhuaRUIDefan

SUNLiJIJinhuaWANGXinjinHUXiaoli

YANGTingJUBin

Reviewpanelmembers:

WANWengongMADengqingWANGChaoyangFANGuofu

ZHAOZenghaiYANGBaiyinYANGDequanCHENSenlin

ZHONGPinganGUOYunfengZHANGJianhuaCHENZhenhong

ZHANGDanqingZENGZhaofangYANGLifengCHENShouhai

XUMinZHOULinZHAOYiLIShisheng

NB/T10083-2018

1GeneralProvisions

1.0.1Thiscodeisformulatedwithaviewtounifyingtheprinciples,contents,aswellasdepth

andtechnicalrequirementsforwaterconservancycomputationofhydropowerprojects.

1.0.2Thiscodeisapplicabletothewaterconservancycomputationofhydropowerprojects.

1.0.3Basedonunderstandingofthepurposesandconditionsofthedesignproject,thewater

conservancycomputationfortheprojectshallbeconductedtoachievetheoptimaloverallbenefits

includingeco-environmentalprotectionaswellasmultipleutilizationofwaterresources.

1.0.4Formakingthewaterconservancycomputation,specialattentionshallbepaidtothedata

collection,processing,assessmentandverification.

1.0.5Inthewaterconservancycomputation,specialattentionshallbegiventoanalyzethedesign

project’simpacttootherrelatedprojectsandviceversa,andcoordinatewelltheircorrelations.

1.0.6Thewaterconservancycomputationshallselectappropriatecalculationmodelsand

calibrationparameters,andthecalculationresultsshallbesubjecttoreasonablenessexamination.

1.0.7Inadditiontothiscode,thewaterconservancycomputationofhydropowerprojectsshall

alsocomplywiththecurrentrelevantstandardsofChina.

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2Terms

2.0.1staticstoragecapacity

waterstorageofareservoirbelowthewatersurfaceareaatacertainpoollevel

2.0.2dynamicstoragecapacity

waterstorageofareservoirbelowthewatersurfaceareaatacertaintime

2.0.3overalloutputfactor

numberusedforcalculatingtheoutputcapacityofahydropowerplant,aftertakingintoaccountthe

turbineefficiency,generatorefficiency,gravitationalacceleration,operationpattern,andother

factorsthatmaycauseoutputloss

2.0.4floodregulationmode

rulesstipulatedinthefloodroutingcalculations,forstoringinandreleasingwaterfromareservoir

orjointly-operatedreservoirs

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3BasicData

3.1GeneralRequirements

3.1.1Forperformingthewaterconservancycomputation,thefollowingdatashallbecollected,

includingthosedataandinformationabouthydrology,topography,geology,ecologicaland

environmentalprotection,powersystem,multipurposeutilization,aswellasthecurrentsituation

andplanningpertinenttowaterconservancyandhydropowerprojects.

3.1.2Thecollecteddatashallbeprocessedandsubjectedtoreasonablenessexamination.

3.2HydrologicalData

3.2.1Themeteorologicaldatashallincludethestatisticsofmainmeteorologicalelementssuchas

precipitation,airtemperature,evaporation,windspeedanddirection,aswellastheanalysesofthe

seasonalityandregionaldistributioncharacteristicsofstorms.

3.2.2Therunoffdatashallincludetheyearly,monthly,ten-dayanddailyrunoffseries,the

statisticsofyearlyrunoffvalues,theintra-annualdistributionandinter-annualvariationpatternof

runoff,aswellastheanalysisoftherunoffdataintheintra-annuallowflowperiodormultiyear

continuouslowflowperiod.Theyearlyandmonthlyrunoffdatashallbecollectedforyearlyand

multiyearregulatinghydropowerprojects,ten-dayanddailyrunoffdataforseasonalregulating

hydropowerprojects,anddailyrunoffdatafordailyregulating,weeklyregulatingor

run-of-the-riverhydropowerprojects.

3.2.3Therunoffseriesappliedinthewaterconservancycomputationshallnotbeshorterthan30

years.

3.2.4Runoffregulationcalculationforjointlyoperatedhydropowerprojectsshallcollect

concurrentrunoffdataofthesepertinenthydropowerprojects.

3.2.5Theflooddatashallincludemainlythestatisticsofpeakdischargesandfloodvolumesof

differentdurations,themeasuredhydrographsoftypicalfloods,thedesignvaluesoffloodswith

differentfrequencies,thehydrographofthedesignflood,theflooddistributionpatternovertime,

thefloodregionalcomposition,andthefloodroutingparameters.

3.2.6Forhydropowerprojectsservingthefunctionoffloodcontrolforthedownstreamreach,the

controlcrosssectionsattheprotectedobjectsdownstreamandthelocalinflowflooddatashallbe

collected.

3.2.7Inthefloodroutingcalculationforjointlyoperatedreservoirs,theflooddataoftherelated

projects,thelocalinflowflooddataandtheircorrespondingregionalcompositionsshallbe

collected.

3.2.8Whentheflooddatashowsobviousseasonality,thedivisionintimeoftheflood

sub-seasonsandtheircorrespondingsub-seasonaldesignflooddatashallbecollected.

3.2.9Thestage-dischargeratingcurvesshallincludethenaturalratingcurvesattheproject

damsite,thepowerhousetailwatercrosssection,theflood-controlcrosssection(s),thereservoir

backwaterzonecontrolcrosssection(s),andthepertinentcrosssectionsinthedownstreamreach,

aswellastheratingcurvesaffectedbythebackwaterofexistingorunder-constructionhydropower

projects,thescouranddepositionintheriverchannel,and/ortheconstructionactivities.

3.2.10Thesedimentdatashallincludemainlythesourcesandcompositionofsediment,

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NB/T10083-2018

suspendedsedimentconcentrationandtransport,particlesizedistributionanalysis,bedload

transport,sedimentdetentionandregulationbyupstreamprojects,andsedimentmonitoringand

analysisdataofsimilarexistingreservoirs.

3.2.11Theiceregimedatashallincludemainlytheicingriverreach,icethickness,icequantity,

riverfreeze-upandicebreak-updates,causesoficejamoricedamandrelevantinvestigationdata.

3.2.12Thetidedatashallincludemainlythetidalcharacteristicvaluessuchastiderange,tide

stage,risingandfallingtidedurations,stormtide,long-seriesorrepresentative-yeartidestages,

typicaltidestages,designtidestageandhydrograph.

3.3TopographicalandGeologicalData

3.3.1Thetopographicaldatashallincludethereservoirareatopographicmap,surveyeddataof

longitudinalandtransversecrosssectionsofthereservoirandrelateddownstreamriverreach,and

theirplanelocationmap.Thescaleofthetopographicmapforthereservoirareashallnotbeless

than1:10000,andthescaleofthetopographicmapsforreservoirsofapumpedstoragepower

plantortidalpowerplantshouldnotbelessthan1:5000.Thecoordinatesystemsandelevation

systemsshallbeuniforminthesemaps.

3.3.2Thegeologicaldatashallincludemainlytheinvestigationandanalysisdataaboutreservoir

shorecollapse,landslide,debrisflow,leakage,groundwatertable,andimmersioninthereservoir

area(s).

3.4SocioeconomicandProjectData

3.4.1Thesocioeconomicdatashouldincludethenationaleconomicconditionsanddevelopment

plansoftheupstreamanddownstreamareasoftheproject,mainlyinvolvingthegrossnational

product,industry,agriculture,forestry,animalhusbandry,transportation,population,land,mineral

deposits,culturalandhistoricalrelics,etc.

3.4.2Thedevelopmentandutilizationplansoftheriverbasinsandriversectionsshallmainly

includethecomprehensiveplanningoftheriverbasins,floodcontrolplanningofriverbasins,

hydropowerplanning,aswellastherequirementsofwaterenvironmentmanagement,ecological

protection,waterresourcesallocationandpowersysteminrelationtohydropowerproject

operations.

3.4.3Thepowersystemdatashallmainlyincludethesystemstatusanddevelopmentplanning,

powersourcecompositionandsystemloadcharacteristicsofthepowersysteminvolvedinthe

designproject.

3.4.4Theenvironmentalprotectiondatashallmainlyincludethedownstreamecologicalflow

andlandscapingflowdemands,thetimeperiodforecologicalflowdischargeoutofthereservoir,

andthedailylevelfluctuationrestrictions.

3.4.5Thecharacteristicsofthewaterconservancyandhydropowerprojectscompleted,

under-construction,andto-be-constructedduringthedesignlevelyearshallbecollected.

3.5MultipurposeData

3.5.1Forhydropowerprojectswithfloodcontrolpurpose,thefloodcontrolplanningdataforthe

regionswheretheprojectsarelocatedshallbecollected,mainlyincludingthefloodcontrolstatus

andplanningofthecorrespondingregions,floodcontrolstandardsforprotectedobjects,safe

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NB/T10083-2018

dischargesforcontrolcrosssections,floodcontrolmeasures,requirementsforthedesignprojects,

aswellastheaffectedextentandlossesofprotectedentitiesunderdifferentflooddischarges.

3.5.2Forhydropowerprojectswithirrigationpurpose,theirrigationplanningdataforthe

correspondingirrigationdistrictsshallbecollected,mainlyincludingthesizeanddistributionof

irrigationdistricts,thewaterdemandsandprocessgraphsintheirrigationdistrictsinthenearand

longterms,thedesigndependability,andthepermissibleextentandmethodoftheirrigationwater

supplydecreaseinthedryyearsbeyondthedesigndependability,thewaterintakemethod,andthe

intakeelevationandlocation.

3.5.3Forhydropowerprojectswithbothindustrialandurbanwatersupplypurposes,thedatato

becollectedshallmainlyincludethewatersupplyvolumesinthenearandlongterms,the

volumetricdistributionwithinayear,thesupplydependability,andthelocationandelevationofthe

waterintake.

3.5.4Forhydropowerprojectswithnavigationpurpose,thedatatobecollectedshallmainly

includethepassengerandcargovolumes,trafficflowdirections,channelgrade,navigableperiod,

anddependabilityofthenear-termandprospectivenavigations,aswellastherequirementsofthe

navigationinrelationtothedesignproject,suchasthemaximumwaterlevelfluctuationrestriction

withinadayandanhour.

3.5.5Forhydropowerprojectswithicefloodcontrolfunction,thedatatobecollectedshall

mainlyincludethelocationandscopeoftheriversectionforicefloodcontrol,thetime

requirementsforicefloodcontrol,themaineconomicandsocialprofilesofthetwobanks,the

investigationoftheiceflooddisasters,andtherequirementsforthedesignproject.

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NB/T10083-2018

4FloodRoutingCalculation

4.1GeneralRequirements

4.1.1Themaximumoutflowfromthereservoirafterfloodroutingshallnotbelargerthanthe

maximumdischargeofthefloodprocess.

4.1.2Routingofafloodshallbeperformedwithdifferentcombinationschemes,andtherouting

resultofthemostunfavourablecombinationschemeshallbeapplied.

4.2PrincipleandContent

4.2.1Beforefloodrouting,thestartingelevation,floodroutingprinciplesandroutingmethods

shallbedetermined,andthereservoirlevels,floodhydrographsandcharacteristicvaluesofflood

eventsofdifferentfrequenciesshallbedetermined.

4.2.2Thefloodcharacteristicsoftheriverbasinwherethedesignprojectislocatedandthe

featuresoftheprotectedentities,includingthefloodregionalcomposition,seasonalvariationand

floodlevelriseandfall,aswellasthefloodroutingintheriverchannel,shallbeanalyzedand

studied.

4.2.3Thedesignfloodhydrographatthedamsitesectionshallbeappliedintheroutingcalculation.

Iftherunoffgenerationandconcentrationconditionsinthereservoirareahavebeengreatlyaltered

comparedtothescenariobeforethereservoirestablishment,andtheroutingresultbasedonthe

designfloodatthedamsitesectionisquitedifferentfromthatbasedonthereservoirinflowdesign

flood,theinflowdesignfloodhydrographshouldbeappliedintheroutingcalculation.Inthecase

ofusingthedesignfloodhydrographatthedamsitesection,thestaticreservoircapacityshallbe

appliedinthefloodroutingcalculation;inthecaseofusingthereservoirinflow(design)flood

hydrograph,thedynamicreservoircapacityortheunsteadyflowmethodshallbeapplied.

4.2.4Basedonthefloodcontroltasks,floodcharacteristics,floodstandards,allowabledischarges

throughthedownstreamfloodcontrolcrosssections,andflooddischargecapacityofoutletworks,

aworkableeasy-to-followfloodregulationmodeshallbeproposedforthedesignproject.

4.2.5Floodroutingcalculationshallbeconductedbycontrollingthedischargesbasedon

differentfrequenciesfromsmalltolargefloods.Unifiedroutingrulesshallbeappliedintherouting

calculationsoffloodsofdifferentfrequencies.

4.2.6Routingofthedesignfloodandthecheckfloodthroughthestructuresshouldconsiderno

floodforecastdata.

4.2.7Thefloodroutingcalculationforapumpedstoragepowerprojectshallconsiderthe

influencesoffactorssuchasthefloodprocess,generationorpumpingflowprocessandstarting

elevation.

4.2.8Thefloodroutingcalculationforatidalpowerprojectshallanalyzethecoincidencesofhigh

tidestageswithfloods,reasonablyselecttheappliedcombinationsoffloodsandtidestagesof

differentfrequencies,andconsiderthecombinationsofthedesignedtidestagehydrographwiththe

floodhydrographsindifferenttimecases.

4.3FloodRoutingCalculationforReservoir

4.3.1Thetimedurationsforthefloodroutingcalculationshallbeselectedbasedonthesteepness

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ofthefloodlevelriseandfall,thespeedinessoftheflooddischargecapacitychangewiththe

reservoirlevelchange,andthestoragecapacityofthereservoir.

4.3.2Floodroutingthroughareservoirnotcarryingoutthefloodcontroltaskforthedownstream

reachmayproceedwithfulldischarge.

4.3.3Floodroutingthroughareservoircarryingoutthefloodcontroltaskforthedownstream

reachshallchooseareasonablefloodregulationmodetakingintoaccounttheoutletworks

operationcondition,floodcharacteristicsanddownstreamprotectedobjects,andshallmeetthe

followingrequirements:

1Iftheintermediateinflowfloodbetweenthedesignprojectandthecontrolcrosssectionof

thedownstreamprotectedobjectissmall,afixed-flowcontroldischargemodemaybe

taken.Whendifferentfloodcontrolstandardsareappliedrespectivelyforseveral

protectedobjects,acontroldischargemodebasedondifferentfrequenciesmaybeused.

2Iftheintermediateinflowfloodisfairlylarge,theflooddischargeforecastingiscredible

fortheintermediatecatchmentarea,andtheforecastleadingtimeislongerthanthetravel

timeofthereservoiroutflowreachingthecontrolcrosssectionoftheprotectedobject,a

compensatingdischargemodeoranoff-peakregulationmodemaybeused,butasafety

marginshallbereservedtoallowforforecasterrors;orelsethefixed-flowcontrol

dischargemodeshallbeused.

4.3.4Aneasy-to-followmethodforjudgingthedischargeshallbeappliedforfloodrouting

throughareservoirbasedonthecontroldischargemode.Thejudgingmethodmaydependonthe

reservoirlevel,thereservoirinfloworbothofthem.Thedischargejudgingmethodshallbe

applicabletotheroutingoftypicalfloodhydrographsofdifferentfrequencies.

4.3.5Thestartingelevationselectionforfloodroutingshallmeetthefollowingrequirements:

1Forareservoirdesignedwithafloodcontrolrestrictedlevel,thefloodcontrolrestricted

levelshallbetakenasthestartingelevationforfloodrouting.

2Forareservoirdesignedwithanoperationcontrollevel,floodroutingmaybeinitiated

fromtheoperationcontrollevel.Toroutethesub-seasonalfloods,theoperationlevels

duringthecorrespondingsub-seasonsshallbeusedasthestartingelevationsforflood

routing.

3Forareservoirnotdesignedwithafloodcontrolrestrictedleveloranoperationcontrol

level,thenormalpoollevelshallbetakenasthestartingelevation.

4.3.6Accordingtotheconditionsforusingthefloodreleasestructures,thecombinationsof

structuresparticipatinginflooddischargeunderdifferent-frequencyfloodsanddifferentreservoir

levelsshallbedetermined,andcorrespondingcomprehensivedischargecurvesshallbeadoptedin

theroutingcalculation.

4.3.7Theturbinedischargecapacityconsideredinthefloodroutingcalculationshallmeetthe

followingrequirements:

1Whenthefloodissmallerthanthedesignfloodstandardforthepowerhouse,the

dischargecapacityo