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简介：Recently,ChinaMinistryofWaterResourceshasdrawnupanewstrategicplanningforsmallhydropowerinthefirst20yearsofthecentury.Itisplannedthat,by2020willbeestablished300countieswithsmallpowerinstalledcapacityofover100MW,100large-sizedsmallhydropowerbaseswithacapacityofover200MW,40super-hugesmallhydropowerbaseswithacapacityof1000MWand10strongprovinceshavingacapacityofover5000MWeach.

简介：Thearticlepresentsthatinthehydropowerplanning,theregulationcapacityofreservoirsshouldbemeasuredbytheirenergystoragecapacity.BycalculatingtheenergystoragecapacityofthelargereservoirsinChinaandabroad,itshowsthattheenergystoragecapacityoftheLongyangxiaReser-voirontheupperYellowRiverisoneofthelargest.EnormousbenefitcanbeobtainedthroughcompensationregulationofthecascadehydropowerprojectsontheupperYellowRiverandthenearbyinterbasinhydropowerprojectsbytheaidoftheenergystoragecapacityoftheLongyangxiaReservoir.

简介：MostofthehydropowerprojectsinSouthwestChinaandtheadjacentforeignregionswillbeputintooperationbetween2015and2020,whichwillbringsomedifficultiesforreasonableaccommodationanddeliveryofelectricenergy.Inthispapertheauthorstudiesthedevelopmentscale,developmentschedule,accommodationandtransmissionschemesofthecascadehydropowerstationsalongtheLancangRiverbasin,oneofthefivelargebasinsinChina,basedontheloadcharacteristicsofgridsatboththesendingendandthereceivingend,thestrategyofcomplementaryutilizationofthermalpowerandhydropower,theadvancedtransmissiontechnologies,andtheoptimaleconomicperformance.Thestudyresultsshowthat,thecascadehydropowerstationsontheupperreachesoftheLancangRiverinYunnanshouldmainlyserveGuangdongProvince,withproperplanningofpartlyservingYunnanProvinceduringdryseasons.ThetransmissionschemesshouldadoptUHVDC,UHVAC,andsingle-towerdouble-circuitedHVDCtransmissionschemeaccordingtothetransmissioncapacityanddistance.

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