Page 56 - 2024年第55卷第10期
P. 56

Reviewondeformationmonitoringforhighearth - rockdams

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                       MAGang ,AIZhitao ,GUOChengqian,LiShaolin,CHENHua,ZHOUWei
                      (1.StateKeyLaboratoryofWaterResourcesEngineeringandManagement,WuhanUniversity,Wuhan 430072,China;
                                2.InstituteofWaterEngineeringSciences,WuhanUniversity,Wuhan 430072,China;
                                            3.CISPDRCorporation,Wuhan 430010,China;
                                  4.SchoolofGeodesyandGeomatics,WuhanUniversity,Wuhan 430079,China)
                  Abstract:Thecoordinatedcontrolofdeformationinearth - rockdamsiscrucialforensuringtheirsafetythroughout
                  theirentirelifespan.Accurateandreliabledeformationmonitoringisthefoundationforassessingdeformationbehav
                  iorandimplementingdeformationcontrolofearth - rockdams.Thedesignandconstructiontechnologyoftheearth -
                  rockdamsinChinahasnowachievedworld - leadingstandards ,withtheheightofthesedamsreachingthelevelof
                  300m.Theirsafetymonitoringtechnologyhasalsoseensignificantadvancements.Thispapersummarizesthede
                  velopmentandapplicationsofdeformationmonitoringtechnologyforearth - rockdams,introducingtheworking
                  principles,applications,technicaladvantages,andlimitationsofnewinternalandexternaldeformationmonitoring
                  technologiessuchasdistributedfiberopticsensing ,pipelinemonitoringsystems,GNSS?BDS,andInSAR.The
                  progressinthemonitoringdatacompilationisalsobrieflyintroduced.Severalrecentlycompletedandunder - con
                  structionhighearth - rockdamshaveinitiallyformedatrendofmulti - technologycoordinationanddensemonitoring
                  pointsindeformationmonitoring,providingcomprehensiveinsightsintothedeformationbehaviorofearth - rock
                  damsandadatafoundationfordamsafetyassessment.Inthefuture,itisnecessarytofurtherenhancethereliabili
                  tyandlifespanofmonitoringinstruments,developmonitoringtechnologiessuitableformegaearth - rockdamswith
                  ultra - thickoverburdenlayers,andresearchtheoriesandmethodsformanagingmassiveamountsofmulti - source
                  heterogeneousmonitoringdata,tocomprehensivelyimprovethesafetymonitoringcapabilitiesanddatamanagement
                  ofearth - rockdamsundercomplexconditions.
                  Keywords:earth - rockdam;deformationmonitoring;multi - sourceheterogeneousdata;compilationofmonitoring
                  data;instrumentlifespan;datagovernance
                                                                                    (责任编辑:李 娜)

              (上接第 1173页)
                      Keyissuesandprogressinelectricitymarketswithhighproportionofhydropower

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                     CHENGChuntian,LIYapeng,LIGang,CAIHuaxiang,SHENJianjian,LIShushan               3
                          (1.InstituteofHydropower&Hydroinformatics,DalianUniversityofTechnology,Dalian 116024,China;
                                       2.KunmingPowerExchangeCenter,Kunming 650011,China;
                    3.ElectricPowerDispatchingandControlCenter,ChinaSouthernPowerGridCompanyLimited,Guangzhou 510663,China)
                  Abstract:ThehydropowerdevelopedinSouthwestChinaandtheupperreachesoftheYangtzeRiverneedstobe
                  transportedoutonalarge - scale ,anditshighproportioninthepowergridmakesitnotonlyimperativebutalso
                  challengingtoparticipateinthecomplexelectricitymarketintheseregions.Coreissuesforhydropowerparticipa
                  tionintheelectricitymarketincludehowtoavoidstructuralandcompetitivewaterspillageandpowershortages ,
                  andhowtoachieveeffectivepeakregulationforthegrid.Thispapersummarizesfourkeyissuesofhydropower
                  participationintheelectricitymarket,brieflyoutlinesthesituationsofhydropowerparticipationinthepowermar
                  ketinBrazil ,NorthernEurope,YunnanandSichuanprovincesofChinaandtheSouthernPowerGridofChina,
                  andpresentsfoursignificantadvancementsfrom theperspectiveofpracticalapplication.Theefficientmodeling
                  undercomplexboundaryconditionsofhydropowerhasgreatlyimprovedthesolvingefficiencyofhydropowerpartic
                  ipationinspotmarketsandbiddingcompetitions,enhancingtheprecisioninpowertrading.Marketboundary
                  safeguardsforhydropowerprovideprerequisitesformarketparticipation,enhancinghydropower’ssupplysecurity
                  forthegrid.Theclearingmethodofspotmarketwithhydropoweraddressesissuesoflowclearingefficiency ,com
                  petitivewaterspillage,anddifficultexecutionoftransactionresultsinspotmarketsincludinghydropower.The
                  hydropowerbiddingmethodoffersafeasibleapproachtoreasonablyallocatemarketresources ,reducesuncertainty
                  risks,predictcompetitors’biddingbehaviorandstrategies,andbalanceshydropowerrevenuewithpeakregula
                  tion ,ecological, and navigation responsibilities.As the goals ofcarbon peaking and carbon neutrality
                  accelerate,keyfutureworkinvolvesleveragingmarketmechanismstomaximizethesupplycapacityandgreen
                  valueofhydropowerelectricity,aswellastheflexibilityofhydropoweroutput.
                  Keywords:highproportionhydropower;electricitymarket;hydropowerbidding;clearingofspotmarketwith
                  hydropower ;marketboundarysafeguards
                                                                                    (责任编辑:韩 昆)

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