Page 24 - 2022年第53卷第11期
P. 24

Analysisoflong - term consumptioneffectsofcascadecomplementary
                                              energystorageonnewenergies

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                   MINGBo,CHENGQiuyu,HUANGQiang,WANGYimin,XIEXiaoping,CHENGLong
                 (1.StateKeyLaboratoryofEco - HydraulicsinNorthwestAridRegionofChina,Xi’anUniversityofTechnology,Xi’an 710048,China;
                                    2.HuangheHydropowerDevelopmentCo.,Ltd.,Xining 810008,China;
                                 3.PowerChinaNorthwestEngineeringCorporationLimited,Xi’an 710065,China)
                  Abstract:Underthepledgeofcarbonneutrality,theinstalledcapacityofwindandsolarenergiesinChinawill
                  continuetoexpand ,thusitisurgenttosolvetheproblemofintegratingnewenergiesintopowergrids.Inthispa
                  per,thedefinitionofcascadecomplementaryenergystorageanditsoperationmodewasintroduced.Basedon
                  which ,theconsumptioneffectsofthecascadecomplementaryenergystorageinpromotingtheintegrationofnewen
                  ergiespremisedwithknownreservoirinflowswereanalyzed.TheLongyangxia - Laxiwacascadecomplementaryener
                  gystoragewasselectedasacasestudy.Itisshownthatratiosofadditionalenergyproductionofthecascadehydro
                  powerplantstoenergyconsumptionoflargepumpstationsundersimulationandoptimizationscenariosare0.5and
                  0.7 ,respectively.Withoutimpairingdownstreamwaterusefunctions,energyconsumptionofthepumpstationcan
                  reach1.9billionkWhperyear ,equalingtoreducethecurtailedenergyofthepowergridby9%.Meanwhile,ad
                  ditionalenergyproductionofthecascadehydropowerplantsreach1.33billionkWhperyearwithanincreaseof
                  7.8%.Therefore ,theconsumptioneffectofthecascadecomplementaryenergystorageinpromotingtheintegration
                  ofnewenergiesispromising.
                  Keywords:cleanenergy;cascadehydropowerplant;pumpstation;energystorage;multi - energycomplementary

                                                                                    (责任编辑:耿庆斋)


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                 ConceptionofChina’s“DoubleT” - shapedwaternetworkeconomicpatternconstruction

                                  ZHAOYong,WANGHao,MAHao,HEGuohua,HEFan
                                  (StateKeyLaboratoryofSimulationandRegulationofWaterCycleinRiverBasin,
                                 ChinaInstituteofWaterResourcesandHydropowerResearch,Beijing 100038,China)

                  Abstract:Thelayoutofthewaternetworktoacertainextentdeterminesthepatternofeconomicandsocialdevel
                  opmentofthecountryorregion ,formingacloselylinkedwatershedecologicalandeconomicbelt, andcan
                  radiateandstimulatethedevelopmentofthesurroundingareas.Chinahasgraduallyevolvedfromthe “river - sea”
                  T - shapedwaternetworkeconomicbeltwiththeformereasterncoastaleconomicbeltandYangtzeRivereconomic
                  beltasthemainaxistothe “river - river - sea”Π - shapedwaternetworkeconomicpatternwiththeeasterncoastal
                  belt ,YangtzeRivereconomicbeltandYellowRiverecologicaleconomicbeltasthemainaxis.Inordertocope
                  withthelargegapbetweentheeconomicdevelopmentoftheSouthandtheNorthandtheunbalanceddevelopment
                  oftheEastandWest ,theconceptof“DoubleT” - shapedwaternetworkeconomiclayoutisproposed,aimingto
                  formthe “EasternCoastalEconomicZone -YangtzeRiverEconomicZone”asthecoreofthesouthernwaternet
                  workeconomiczone(NT)and“YellowRiverEcologicalEconomicZone -WesternEconomicZone”asthecoreof
                  thenorthernwaternetworkeconomiczone (ST),whichcanform awaternetworkeconomicpatternofintercon
                  nection,interoperability,andmutualassistance.Theconstructionof“DoubleT” - shapedwaternetworkeco
                  nomicpattern ,isofgreatsignificanceforsupportingthemajornationalstrategyoftheYellowRiverBasin,driv
                  ingtheriseofthewest,promotingthebalancedandsynergisticdevelopmentofthenorth,south,andeastand
                  westofChina ,andpromotingtheintegrationofethnicgroupsandcultures.Theimplementationofthewestern
                  watertransferandtheimprovementofthenationalwaternetworkareimportantfoundationsforbuildingtheeco
                  nomicpatternofthe “DoubleT” - shapedwaternetwork.
                  Keywords:“Double - T” - shapedwaternetworkeconomicpattern;westernwatertransferproject;balanced
                  andcoordinateddevelopment ;newpatternofterritorialspace

                                                                                    (责任编辑:于福亮)

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