《水電工程水利計(jì)算規(guī)范》（NB-T 10083-2018）英文版

ICS27.140

P59

RecordNumber:J15-2018N

ENERGYSECTORSTANDARD

OFTHEPEOPLE’SREPUBLICOFCHINA

中華人民共和國(guó)能源行業(yè)標(biāo)準(zhǔn)

PNB/T10083-2018

ReplaceDL/T5105-1999

CodeforWaterConservancyComputation

ofHydropowerProjects

水電工程水利計(jì)算規(guī)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

翻譯出版說(shuō)明

本譯本為國(guó)家能源局委托水電水利規(guī)劃設(shè)計(jì)總院按照有關(guān)程序和規(guī)定，統(tǒng)一組織翻譯的

能源行業(yè)標(biāo)準(zhǔn)英文版系列譯本之一。202x年xx月xx日，國(guó)家能源局以202x年第x號(hào)公告

予以公布。

本譯本是根據(jù)中國(guó)電力出版社出版的《水電工程設(shè)計(jì)洪水計(jì)算規(guī)范》NB/T35046-2014

翻譯的，著作權(quán)歸國(guó)家能源局所有。在使用過(guò)程中，如出現(xiàn)異議，以中文版為準(zhǔn)。

本譯本在翻譯和審核過(guò)程中，本標(biāo)準(zhǔn)編制單位及編制組有關(guān)成員給予了積極協(xié)助。

為不斷提高本譯本的質(zhì)量，歡迎使用者提出意見(jiàn)和建議，并反饋給水電水利規(guī)劃設(shè)計(jì)總

院。

地址：北京市西城區(qū)六鋪炕北小街2號(hào)

郵編：100120

網(wǎng)址：

本譯本翻譯單位：中國(guó)電建集團(tuán)西北勘測(cè)設(shè)計(jì)研究院有限公司

本譯本翻譯人員：

本譯本審核人員：

國(guó)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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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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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