Page 118 - 《水资源与水工程学报》2023年第2期
P. 118

!34 " ! 2 #                       & ' ( ) & * + , -                               Vol.34No.2
               2023 $ 4 %               JournalofWaterResources&WaterEngineering                 Apr.,2023

            DOI:10.11705/j.issn.1672-643X.2023.02.14


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                 GHIJK:TV742;TV213.4   LMNOP:A    LQRK:1672643X(2023)02011407
               Ecologicalprotection-powergenerationsynergisticoptimizationmodeland

                   itsapplicationforsmallhydropowerstationsofrunoffdiversiontype

                                                      WUYuanmei
               (QinghaiEngineeringResearchCenterforEfficientUtilizationofWaterResources,KeyLaboratoryofWaterCycleandEcologyin
             WatershedsofQinghaiProvince,QinghaiWaterConservancyandHydropowerResearchInstituteCo.,Ltd.,Xining810001,China)
                 Abstract:TakingtheHuangleHydropowerStationintheHuangshuiRiverBasinasanexample,thesuit
                 ableecologicalflowandecologicalbaseflowoftheriverchannelwerecalculatedbasedonthenaturalwa
                 terflowparadigm.Withecologicalflowasthemainconstraint,asynergisticoptimizationmodelofecolog
                 icalprotectionandpowergenerationforsmallhydropowerstationsofrunoffdiversiontypewasestab
                 lished ,andtheParetosolutionofwaterdiversionpowergenerationflowwasobtainedusingNSGA- Ⅱ.
                 Theresearchhashighinstructivevaluesfortheecologicaldispatchandoperationmanagementofrunoff
                 diversiontypesmallhydropowerstations.Theresultsshowthattheabruptchangepointoftheannualrun
                 offtimeseriesofXiningHydrologicalStationis2000diagnosedbysliding ttest,andtheaveragenatural
                              3
                 runoffis41.3m /sfrom1956to2000accordingtothecalculation.Thedistributionratiosofthesuitable
                 ecologicalflowinthelowflowperiod ,levelwaterperiodandhighflowperiodare0.60,0.41and0.42,
                 respectively,andtheecologicalflowhasreachedthe“excellent”standard.The“general”standardof
                 Tennantmethodisrecommendedforthedeterminationoftheecologicalbaseflow ,accordingtowhichthe
                                          3
                                                                        3
                 ecologicalbaseflowis4.13m /sinnonfloodseasonand12.4m /sinfloodseason.Theannualpower
                                       6
                 generationis6.3429×10 kW·hcalculatedbytheecologicalprotection-powergenerationsynergistic
                 optimizationmodelundertheconditionofmultiyearaverageinflow ,andthedischargeflowofthehydro
                 powerstationhubmeetstheecologicalflowrequirementsofthewaterreducingreaches.TheHuangleHy

                !"#$:20220622; %&#$:20220929
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                +,-.: Ñr†(1989—), =, ØÙ±ß@, 23T, -‰Œ10123_0JKE†ˆ6C2„。
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