简介:1.GeneralReviewTherapiddevelopmentofextrahighvoltagetransmissionlinesandpowersystemsraisedseriousstabilityproblems.Becauseofthelongdistancetransmissionofpowerandrelativeweaksystemconfiguration,stabilitybecamethemostimportantandseriousproblems.Therisksintermsofdisturbancecausingsubsequentsysteminstabilitycouldbeveryhighandtheresultsoffrequencyandvoltagecollapsemaycausecatastrophicresults.
简介:ForewordItiswellknownthatallelectricalmachinesandequipmentsaremademainlyofconductingmaterials,magneticmaterials,struc-turalmaterialsandinsulatingmaterials.Insulationmaterialsaresub-jectedtomechanical,thermalandelectricalstressesandexposedtomoisture,dirt,chemicalcorrosionandradiation.Thecombinedac-tion,intensityanddurationofsuchstressesandeffectssetalimitto
简介:The16thNationalCongressoftheCommunistPartyofChinawasheldinNovember2002.Inthefiveyearssincethen,greatchangestookplaceinChinesepowerindustry.Powerinstitutionalreformwasdeepened;theconstructionofbothpowersourcesandpowergridswasspeededup;thetensesituationofpowersupplyanddemandwasalleviated;thesafetyandreliabilityofpowerproductionwereimproved;themanagementonpowertariffwasstandardized;environmentalprotectionandenergyconservationachievedgoodr...
简介:ThispaperintroducesoverallpolicyandeconomicenvironmentforpowerindustryinChina.Thepolicyenvironmenttendstobefavorable,whiletheeconomicenvironmentseemsworrisome.Thelatterismainlyduetoenergytransportationblockingandpriceescalating.Thepaperalsointroducestheperformanceanddevelopmentoflistedpowercompanies,andpointsoutthatthepowerstockmarketisstillpromisingandpowerindustryisstillvaluableforinvestment.
简介:HoldingthegreatestpowertransmissioncapacityinChina,ThreeGorgespowertransmissionandsubstation(T&S)projectisanimportantlandmarkinthehistory
简介:PresentedbytheWorldWindEnergyAssociation(WWEA)andtheChineseWindEnergyAssociation(CWEA),theThirdWorldWindEnergyConference(WWEC2004)washeldinBeijinginNovember2004.AtthattimeChinajuststartedtodevelopwindpowerindustryinlargescale.Internationalorganizationsandgovernmentagenciesrelatedtoenergyandenvironmentalissueswereat-
简介:The2ndAnnualSessionofEnergyandInformationCommittee,CSEE,chairedbyMr.SunJiapingwasheldinBeijingonDec.17-20,1991.ViceMinisterShiDazhen,ChiefEngineerMr.LuYanchangoftheMinistryofEnergy,GeneralSecretaryMr.DuXingyouofCSEEandsomeotherleadingstaffattendedthemeeting.ViceMinisterShiDazhenexpressedsincerehopeinhisaddresstothesessionthatscien-tificandtechnicalstaffinenergyfieldshouldlaunchmacropolicystudymorewidelyanddeeplyundertheguidelineofso-
简介:Thereweretwosessionsandonepaneldiscussiononrelayingpro-tectionattheconference,withparticipantsfromAustralia,Canada,Japan,Korea,arepresentativeofthewellknownrelaymanufacturerABBandfromthehostcoun-tryChina.Thepaperspresentedatthesessionscoveredalargevarietyofsubjectsrelatedtoprotection,includingnovelpro-tectionprinciplesandschemes,computer
简介:1.Throughtheconstructionduringthelastfourtyyearsandespeciallyundertheguidanceofthe“Reformandopening”policy,thepowergenerationequipmentmanufacturingindustryofChinahasachievedtremendousdevelopmentinthe1980’s.Whateverin