简介:Theexploitablepotentialofhydropowerresourcesinthe1,800,000km~2Yangtzebasinis197GW,correspondingtoanannualelectricitygenerationof1030TWh,whiletheupperYangtzeupstreamofthecityYichangwithdrainageareaof1,000,000km~2possessesanexploitablepotentialofhydropowerresourcesof170GWor85%ofwhatisinthewholeYangtzebasin,asriverchannelsofthemainstemandtributariesinuppeYangtzepassthroughhighmountains,plateausandhills.
简介:1.ThePowerIndustryandCogenerationinChina1.1ThePowerIndustryinChinaThepowerindustryhasdevelopedrapidlyinChinainrecentdecades.In1994,totalelectricitygenerationwas927.8TWhandthetotalinstalledcapacitywas199.80GW.Itisbrokendownasfollows:hydropower49.0GW.24.5%;thermalpower148.73GW,74.4c/c:andnuclearpower2.1GW,0.7%.
简介:ThispapersummarizesthebasicsituationofthewindpowerdevelopmentinChinain2008,andcarriesoutabriefanalysisoftheproportionofthenationwidewindpowertotheglobalwindsectoraswellastothetotalinstalledcapacityinthecountry.ByreviewingtheremarkableachievementsinChina'swindpowerdevelopmentsincetheenforcementoftheRenewableEnergyActofthePeople'sRepublicofChina,someissuesconcerningthepolicyeffectandwindpowerdevelopmentaretouchedon.
简介:Importanceofdevelopingalternativeenergy●Weshalltakealternativeenergyasaforeseeable,strategicandlong-rangeissue,andpaygreatattentiontoitfromtheangleofnationalstrategy.
简介:ProspectofFutureTransmissionandDistributionDevelopmentinChinaShenGencaiMinistryofElectricPower1.PresentSlateDuringtherecent18...
简介:LongyuanElectricPowerGroupisambitioustoaccelerateconstructionofwindpowerasitsownimportantstrategyofsustainabledevelopment.Ithasdrawnupsixstrategiesofqualifiedpeople,market,scale,operation,R&Dandbrandedwindpower,andworkshardforthetargetthatitsshareholdingwindpowerinstalledcapacityreachmorethan35%ofthetotalalloverthecountrywithinaperiodofsixyears.
简介:1.IntroductionNorthwest-andNorth-Chinaarerichincoalresources,buttheclimateoftheseregionsissemi-aridandshortofwaterresources.Forthisreason,therecirculatingwatersupplysystemsarepre-dominantlyutilizedinfossilpowerplants.Thenaturaldraftcoolingtowersaregenerallyselectedfortheserecirculatingsystems.Ac-cordingtostatisticsabout50%ofthethermalpowerplantsinChinaareequippedwithnaturaldraftcoolingtowers.Thecoolingtowerswithcast-in-placereinforcedconcretehyperboloidalshellarepreferablyadoptedinChina,becauseofthenot-too-severeclimateinwinter,thelowearthquakeintensitiesand
简介:ForewordItiswellknownthatallelectricalmachinesandequipmentsaremademainlyofconductingmaterials,magneticmaterials,struc-turalmaterialsandinsulatingmaterials.Insulationmaterialsaresub-jectedtomechanical,thermalandelectricalstressesandexposedtomoisture,dirt,chemicalcorrosionandradiation.Thecombinedac-tion,intensityanddurationofsuchstressesandeffectssetalimitto
简介:IntroductiontoHECHarbinElectricMachineryCompanyLimited(HEC)isapivotalcompanythatproduceslargeelectricmachineryandaccessorialcontrolequipmentinChina.ThehydrounitsmadebyHEChaveaccounted
简介:Aco-operativecontracttosetupChina’slargestjoint-venturepowerprojectinShandongProvince,wasinitiatedby.fourpartnersonJune7atBeijing’sGreatHallofthePeople.Theproject’stotalinvestmentisexpectedtobeabout$2.3billion,ofwhichalittleover$1billionwillberaisedoverseas.ThepartnersinthemassivepowerprojectsareShandongElectricPowerCorp,ShandongInternationalTrustandInvestmentCorp,ElectricitedeFrance
简介:Uptothefifties,bulkoilcircultbreaker(c.b.)wasthemainbreakertypeusedinChina.Fromthesixtieson,allEHVc.b.wereair-blasttype,butowingtotheirairleakageandfrequentmaintenanceworkrequired,alotofminimumoilc.b.wereimported;intheseventies,minimumoilc.b.wasthemainbreakertypeusedalloverthecountryinthevoltagerangeof6-220kV;atthebeginningoftheeighties,500kVSF6.c.b.wereputinserviceandgraduallyex-tendeddownto220kV,110kVandevento10kV,theirnumberisincreasing.Atthesametime,mediumvoltagevacuumc.b.beganto
简介:IntroductionThedevelopmentofacompositeoverheadgroundwirewithopticalfiber(OPGW)bytheShanghaiElectricCableResearchInsti-tutionisoneofthemajortaskssetupfortheSeventhFiveYearPlan.ThefeasibilitystudiesofthestructureanddesignofOPGWwasfinishedin1985.In1986,thesampleofOPGW60/80waspreparedandthetypetestswereconducted.Theevaluationofthesamplein
简介:Basedonananalysisofthemisunderstandingsandproblemsconcerningwindpowerdevelopment,thispapersummarizestheexperiencesofthecoordinateddevelopmentofwindpowerandpowergridsinforeigncountries,andproposesprinciplesandstrategiesforthecoordinateddevelopmentofwindpowerandpowergrids,andrelatedmeasuresandsuggestionsforlargescaledevelopmentofwindpowerinChina.
简介:Fromthebeginningof1970’s,theresearchworkonstrandcurrentdistributioninhydro-generatorstatorbarshasbeenmademarkedprogressinChina.Inordertoknowwhythegeneratorbarinsulationswerebrokendownsooftenbothinop-erationandintestingafterthegeneratorsbeingputintooperationfor8-10yearsatXinanjiangHydropowerStation.Investigationswereconductedandtheresultsoffieldmeasurementshowedthatthe
简介:IntroductionWithever-increasingofpowersources,thecapabilityofpowersupplywasfurtherenforcedin2007.Thismetthestrongdemandofnationaleconomydevelopment.Restruc-turingofpowersourceswasdeepening,ofwhich"substi-tutinglargepowerunitsforsmallones"startedwell,theinstalledcapacityofwindpowerwasdoubledandobviousresultswereachievedintheenergy-conservationandpollu-
简介:TheNorthwestElectricPowerDesignInstitute(NWEPDI)locatedinXi’anCity,ShaanxiProvince,China,wasestablishedin1956.Therearenow1,742staff,including1,234engineersinmorethan30specialitiesasfollows:thermo-mechanical,coalhandling,ashhandling,electrical(mainandsecondarycircuits),auxiliarypowersupply,illumination,I&C,architecture,structure,heating&ventilation,plantgenerallayout,HVAC,watersupply&discharge,hydrostructure,chemicalwatertreatment,wastewatertreatment,technical-economics,constructionorganizationdesign,environmentalimpactassessment,