简介:June Festival in QinghaiJuneFestivalinQinghai¥byXiaoZhenweiandLiujinghongEachJune.Tibetanslivinginsome50Tibetanvillagesontheb...
简介:OnJuly20,2002,theStatePostalBureauissuedasetofthreestampspicturingtheQinghaiLakeshore,BirdIsland,andthedistantview.LocatedonthenortheasternQinghai-TibetPlateau,inWestChina’sQinghaiProvince,QinghaiLakeis3,196metersabovesealevel,andthebiggestinlandlakeinChina.Oilshavebeenusedtocaptureitsmagnificence.BirdIslandonQinghaiLakeisa
简介:AFemaleLivingBubdhainQinghaiDOJERINQENThebeautifulQinghaiLake.Atthefootofthemountainisaglisteningmonastery,theGyayiOicaTazhan...
简介:ATriptoTibetanAreasinSichuanandQinghaiWANGLUOInsummerlastyear,myfriendsandItravelledtotheTibetanareasinSichuanandQinghaiprovi...
简介:Toanalyzetheinfluenceof±400kVQinghai-TibetHVDCtransmissionsystemontransmissionlineprotectionsinQinghaiACpowersystem,aclosed-loopsimulationsystemwasconstructedbycombingHyperSimsystemwithHVDCcontrolprotectiondevices.Variousfaultsondouble-circuit750kVandmulticircuit330kVACtransmissionlinesinQinghaipowersystemweresimulated.TheimpedancecharacteristicsandharmoniccomponentsatQinghaisideofQing-TibetDCtransmissionlinewereanalyzed.TheharmonicproportioninvoltagesandcurrentswerestudiedforfaultsthattookplaceatdifferentlocationsneartheDCsystem.TheinflenceofQing-TibetDCsystemonthedirectionalcomponentsofprotections,differentialprotectionsanddistanceprotectionsofACtransmissionlineswasdiscussedanddrewtheconclusionsthattheDCsytemhadlittleinfluenceondifferentialprotections,whilehadgreatinflenceondirectionalcomponentsanddistanceprotection.TheconclusionscanprovidereferenceforstudyingtheinteractionbetweenACandDCsystems.
简介:TheLajia喇家Site,namedaftertheLajiaVillageofGuanting官亭TownshipinMinhe民和County,Qinghai青海,issituatedattheGuantingBasinintheuppervalleyoftheYellowRiver.Inthisarea,affluentecologicalresourcesandwarmandmoistclimatehavebeenwellsuitableforhumanbeings'growthsinceprehistorictimes.
简介:CroundverticaldeformationinearthquakeofGonghe,QinghaiProvinceShou-WenGONG(巩守文)andFeng-YingGUO(郭逢英)(SecondCrustalDeformationMo...
简介:Thetransmissionproject-Qinghai-Tibet750kV/±400kVAC/DCinterconnectionprojectkickedoffsimultaneouslyinGolmudofQinghaiandLhasaofTibetinJuly2010.Thispowertransfercorridor,withawholelengthof1774km,isscheduledtobecompletedbytheendof2012,whichwillthenrealizetheinterconnectionbetweenNorthwest(Qinghai)gridandTibetangridforthefirsttime.