简介：Chinaisalargeagriculturalcountrywithruralpopulationamountingtomorethan80%ofthetotal.SincethefoundingofthePeople’sRepublicofChina,alongwiththeincessantdevelopmentofruraleconomyandagriculture,thecountry’sruralelectrificationgrowsoutfromnothingandincreasesfrom

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简介：IntroductionInrecent10years,duetofastdevelopingofeconomyinChina,seriouspowershortageoccurs.Thesystemfrequencyoftenfelltoabnormalvaluesinmostnetworks.Forthesecurityofpowersystems,forcedswitchoffoffeedersfromthedistributionsubstationoftenhappendtorecovernormalfrequency.Infact,thespeedofdevelopmentofChinesepowerindustryisveryhighinthisperiod.Theyearlyaverageincreasingrateofgeneratingcapacitywasabout8%.Theyearlynewlyinstalledca-pacitywasmorethan9000MWinrecent4years.Buttheannual

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简介：Whateverworriesaboutinvestmentsinnewenergyprojectswilloccurinthefutureandathand.ThishasalwaysbeenasubjectfordebatesincetheLawofRenewableEnergyResourceswasissued.

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简介：Beganfromearly1992,ChongqingPowerSupplyBureauhadspent3andhalfyearstobuildupapowerloadmanagementsystemconsistingofImasterstation,6relaystations,1280terminalsandthedistributedmonitoringdevice.Thissystemdistributesinthehillyandmountainousareaswheregeographicallycomplicatedandtheloadwidelyscatters,itcansuperviseabout72%loadandcurtailmorethan15%loadwhen

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简介：InordertoeffectivelycontroltheacidrainandSO.pollutioninthe“twocontrols”regions,theStateEnviron-mentalProtectionAdministration(SEPA)willtakesixmajormeasurestostrengthenthesupervisionandmanagementtoreduceSO2emtissiontoamaximumlimit.

简介：Inordertopromotethedevelopmentofnewandrenewableenergytechnologies,theNationalDevelopmentandReformCommissionhasrecentlydecidedthatitwillgivebackingtothehigh-techindustrializationofnewandrenewableenergyresourceswithspecial-purposefundsduringtheperiodof2005-2007.Thestate-supportedkeypointsareasfollows.

简介：ThemainstrategyanddevelopmentdirectionofCPIisindependentinnovating,stridingoverkeysectors,supportingtodevelopandleadingthefuture.CPIis

简介：OnDecember30,2009,DatangCorporation'stotalcapacityofgeneratingunitsinservicebrokethrough100GW,makingita100-GW-classsuperlargepowergenerationcorporationintheworld.

简介：Inrecentyears,alongwithcenteringonestablishmentofmarketeconomysystem,stressingtheimportanceofmacroeconomicmanagement,incessantexploitation,conservationandoptimizingutilizationofenergy,andincorporatingruralproductionandenvironmentalprotectionthroughtechnicalinnovation,ruralenergyconstructionhasgainedasignificantprogresswithremarkableeconomical,environmentalandsocialbenefit.

简介：Theexploitablepotentialofhydropowerresourcesinthe1,800,000km~2Yangtzebasinis197GW,correspondingtoanannualelectricitygenerationof1030TWh,whiletheupperYangtzeupstreamofthecityYichangwithdrainageareaof1,000,000km~2possessesanexploitablepotentialofhydropowerresourcesof170GWor85%ofwhatisinthewholeYangtzebasin,asriverchannelsofthemainstemandtributariesinuppeYangtzepassthroughhighmountains,plateausandhills.

简介：Distributedgeneration(DG)willchangecharacteristicsofpowerflowandfaultsoftraditionaldistributionnetworkaswellasthenetworkoperationmode,especiallytheoperationofrelayprotectionandautomaticcircuitbreakerre-closing.Inthispaper,thecharacteristicsandinfluencesofseveraltypesofdistributedgenerationandconnectionpattern,relayprotectionandautomaticcircuitbreakerre-closingareanalyzed.Standardsofrelayprotectionwhendistributedgenerationaccesstodistributionnetworkarediscussedaswell.

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简介：<正>Informationresourcesintegrationforenterprisesatpresentisfairlyhotinthecourseofinformationconstruction,aswellasdifficult.Toachievethisgoal,differentdevelopersadoptdifferenttechnicalmeansandtheirimplementationresultsarealsodiversifiedforvariousreasons.Hereunder,thearticle,takingtheinformationconstructionandresourcesintegrationactivitiesbyElectricPowerofHenan(EPH)asanexample,deploysadeepanalysisanddiscussiononnecessityandessentialfactorsandhowtoensurehigheffectintheprocessofinformationintegration.

简介：Basedontheanalysisandcomparisonofcoal,oilandwaterconsumptionsinthermalpowerplants,thispaperintroducesthepresentstateofresourcesutilizationinthermalpowerindustry,andpointsoutthatthepoten-tialofresourcessavingliesmainlyincuttingdowncoalconsumptionandincreasingtheratiooflarge-sizedthermalunits.Measuresandsuggestionsforupgradingresourcesutilizationareputforward,suchastooptimizecoal-firedthermalpowerstructure,developcogeneration,cleancoalcombustiontechniquesandgas-steamcombinedcycletechniques.Theexistingthermalpowerplantsshallexecutetechnicalretrofitsandpopularizewatersavingtechniques.