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9 个结果
  • 简介:1.GeneralReviewTherapiddevelopmentofextrahighvoltagetransmissionlinesandpowersystemsraisedseriousstabilityproblems.Becauseofthelongdistancetransmissionofpowerandrelativeweaksystemconfiguration,stabilitybecamethemostimportantandseriousproblems.Therisksintermsofdisturbancecausingsubsequentsysteminstabilitycouldbeveryhighandtheresultsoffrequencyandvoltagecollapsemaycausecatastrophicresults.

  • 标签: INSTABILITY CATASTROPHIC COLLAPSE DISTURBANCE RELAY raised
  • 简介:ForewordItiswellknownthatallelectricalmachinesandequipmentsaremademainlyofconductingmaterials,magneticmaterials,struc-turalmaterialsandinsulatingmaterials.Insulationmaterialsaresub-jectedtomechanical,thermalandelectricalstressesandexposedtomoisture,dirt,chemicalcorrosionandradiation.Thecombinedac-tion,intensityanddurationofsuchstressesandeffectssetalimitto

  • 标签: insulating RESIN insulation BRIEF EXPOSED instead
  • 简介:The16thNationalCongressoftheCommunistPartyofChinawasheldinNovember2002.Inthefiveyearssincethen,greatchangestookplaceinChinesepowerindustry.Powerinstitutionalreformwasdeepened;theconstructionofbothpowersourcesandpowergridswasspeededup;thetensesituationofpowersupplyanddemandwasalleviated;thesafetyandreliabilityofpowerproductionwereimproved;themanagementonpowertariffwasstandardized;environmentalprotectionandenergyconservationachievedgoodr...

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  • 简介:ThispaperintroducesoverallpolicyandeconomicenvironmentforpowerindustryinChina.Thepolicyenvironmenttendstobefavorable,whiletheeconomicenvironmentseemsworrisome.Thelatterismainlyduetoenergytransportationblockingandpriceescalating.Thepaperalsointroducestheperformanceanddevelopmentoflistedpowercompanies,andpointsoutthatthepowerstockmarketisstillpromisingandpowerindustryisstillvaluableforinvestment.

  • 标签: 电力经济 资本市场 投资 融资 中国 2004年
  • 简介:HoldingthegreatestpowertransmissioncapacityinChina,ThreeGorgespowertransmissionandsubstation(T&S)projectisanimportantlandmarkinthehistory

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  • 简介:PresentedbytheWorldWindEnergyAssociation(WWEA)andtheChineseWindEnergyAssociation(CWEA),theThirdWorldWindEnergyConference(WWEC2004)washeldinBeijinginNovember2004.AtthattimeChinajuststartedtodevelopwindpowerindustryinlargescale.Internationalorganizationsandgovernmentagenciesrelatedtoenergyandenvironmentalissueswereat-

  • 标签: 风电产业 中国 国际组织 政府机构 环境问题 风能
  • 简介:The2ndAnnualSessionofEnergyandInformationCommittee,CSEE,chairedbyMr.SunJiapingwasheldinBeijingonDec.17-20,1991.ViceMinisterShiDazhen,ChiefEngineerMr.LuYanchangoftheMinistryofEnergy,GeneralSecretaryMr.DuXingyouofCSEEandsomeotherleadingstaffattendedthemeeting.ViceMinisterShiDazhenexpressedsincerehopeinhisaddresstothesessionthatscien-tificandtechnicalstaffinenergyfieldshouldlaunchmacropolicystudymorewidelyanddeeplyundertheguidelineofso-

  • 标签: gathered MINISTER session hundred STAFF attended
  • 简介:Thereweretwosessionsandonepaneldiscussiononrelayingpro-tectionattheconference,withparticipantsfromAustralia,Canada,Japan,Korea,arepresentativeofthewellknownrelaymanufacturerABBandfromthehostcoun-tryChina.Thepaperspresentedatthesessionscoveredalargevarietyofsubjectsrelatedtoprotection,includingnovelpro-tectionprinciplesandschemes,computer

  • 标签: Australia discussion CANADA REQUEST Korea COVERED
  • 简介:1.Throughtheconstructionduringthelastfourtyyearsandespeciallyundertheguidanceofthe“Reformandopening”policy,thepowergenerationequipmentmanufacturingindustryofChinahasachievedtremendousdevelopmentinthe1980’s.Whateverin

  • 标签: LOOKING sized guidance tremendous FIGURES REQUIREMENT