The structural trend of the development of Chinas electric power industry.docx
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ThestructuraltrendofthedevelopmentofChinaselectricpowerindustry
Topic:
ThestructuraltrendofthedevelopmentofChina'selectricpowerindustry
Abstract:
AnalysisofthestructuralcharacteristicsofthedevelopmentofChina'selectricpowerindustry. AnalysisofthecurrentsituationandthemainproblemsofChina'selectricpowerindustryfromthe5aspectsofpowergrowth,powerstructureandlayout,powergridstructure,investmentstructureandpowersystemanalysisofthestructuralcharacteristicsofChina'spowerindustrydevelopment. CombinedwiththedevelopmenttrendofChina'spowerindustry,thecurrentenergy-savingemissionreductionpolicies,fromtheelectricpowerinstalledelectricalnetworkstructuredevelopmentpolicy,powersystemintroducedcurrentsituationofthedevelopmentofChina'spowerindustry,analysisthedevelopmenttrendofChineseelectricpowerindustryandthecharacteristicsof,discussed"thejointnetwork,fromthewesttotheEast,mutualsupply,implementationoftheSouthandthenorth"mustunswervinglydevelopcleanelectricity,toimproveenergyefficiencyandreducepollutantemissionsasthegoal,withtightprotectionoftheecologicalenvironmentoftheelectricpowerindustryintheworldandthedevelopmenttrend,butalsotoachievetheinherentinthehealthydevelopmentofChina'selectricpowerindustry.
Keyword:
Chinaelectricpowerindustry;powerstructureandlayout;powergrid;electricpowersystem;electricpowergrowth;cleanpower;sustainabledevelopment
Researchbackground,purposeandsignificance
Inrecentyears,duetotheapplicationofnewtechnologiesintheworld,moreandmoreattentiontotheenvironment,coupledwiththewaveofprivatization,isreshapingthepowerindustry,sothatthepowerindustryinthesustainabledevelopmentoftheenergyindustrytoplayamoreimportantrole. Afterenteringtwenty-firstCentury,China'selectricpowerwillcontinuetobehighspeedandlargerscale,powerandpowergridconstructiontasksarestillveryheavy,whilethedevelopmentofelectricpowerisstillinasustainabledevelopmentstrategy,andtheenvironmentisseriouslyrestricted.
Clearpurpose:
firstofall,thedevelopmentofChina'selectricpowerindustrytrendsinthecharacteristicsoftheanalysisofthecharacteristicsoftheideatofindoutthewaytofindthesustainableandrapiddevelopmentofpowerindustry.
Itssignificanceis:
theelectricpowerindustrytomaintainsustained,rapidandhealthydevelopment,withenoughpowertoensurethenationaleconomyandsocialsustainable,stableandhealthydevelopment. Anycountryintheperiodofindustrialization,poweristheguaranteeofthewholesocietyandeconomydevelopment,isthefoundation. Thedevelopmentofelectricpower,especiallytheconstructionanddevelopmentofelectricpowermarket,willprovidematerialbasisfortheconstructionofelectricpowermarket.
ThemaincontentoftheResearchReport.
AnalysisofthestructuralcharacteristicsofthedevelopmentofChina'selectricpowerindustry. Anycountryintheperiodofindustrialization,poweristheguaranteeandfoundationofthewholesocialandeconomicdevelopment. CombinedwiththedevelopmenttrendofChina'selectricpowerindustryundertheenvironmentofcurrentenergy-savingemissionreductionpolicies,discusses"nationalnetwork,powertransmissionfromwesttoEast,mutualsupplybetweenSouthandNorth"andsustainabledevelopment,unswervinglydevelopingcleanpoweristheinevitabletrendofthedevelopmentofChina'selectricpowerindustry. Theimplementationofthe"westerndevelopment"andnationwideresourceallocationstrategy,structuraltrendsinthedevelopmentofpowerindustryisChinacharacteristicswillbringgreatinfluenceonthefutureoftheelectricpowerindustryChineseindustrialstructureandlayout,mainlyreflectedinthenationalnetworkwillspeeduptheprocess,"westtoEast"willincreasetheintensity,betweentheEastandwesttherelationshipbetweenNorthandsouth,moreclosely,theurgencyoftheconstructionofpowergridwillbemoreprominent.
After20yearsofrapiddevelopmentofelectricpowerindustry,electricpowerindustryChineserealizedfromseriouspowershortagetosupplyanddemandmajorchangesinthebasicbalancetemporarilysolved,themostimportantprobleminthedevelopmentofelectricpowerindustry,toensuretheneedsofnationaleconomicandsocialdevelopment,aswellasinthefuturestrategicadjustmentofindustrialstructureofelectricpowerhaslaidasolidfoundation. China'seconomywillmaintainarapidpaceofdevelopment,economicrestructuringwillfurtherstrengthentheeconomicstructure,thedevelopmentofpowerindustrymustadapttosocialandeconomicdevelopment,thetaskisstillveryheavy,inthefutureinthedevelopmentofChina'spowerindustry,basedonthestructuraltrendofstructuraladjustment,acceleratedevelopment.
ThecurrentsituationofChina'spowerindustryandthestructuraltrendofChina'spowerindustrydevelopment.
Bytheendof2000,China'spowergeneratingcapacityreached3.19KW,ofwhichhydropoweraccountedfor24.9%,thermalpoweraccountedfor74.4%;thepowergenerationcapacityof13685KW-H;thetotalinstalledcapacityandpowergenerationcapacityofsecondintheworld. ButChina'spercapitainstalledcapacityis0.25KW,percapitaannualconsumptionof1064KW,lessthanhalfoftheworld'spercapitalevel,onlyforthedevelopedcountries1/6~1/10.
Bytheendof2000,exceptTaiwanProvinceandHongKongandMacaoSpecialAdministrativeRegion,Chinahasformednorth,northeast,EastChina,centralChina,NorthwestChina,Sichuan,ChongqingandSouthassociatesandothersevenprovincespowergridandShandong,Fujian,Hainan,Xinjiang,Tibetfiveindependentprovincenetwork. InadditiontotheNorthwestPowerGridhighestvoltagelevelis330KW,Shandong,Fujianandotherprovincespowergridhavebeenbuilt500KWmainframe. EastChinapowergridcapacityhasexceeded50000MW. ThecountryhasbuiltthelargestthermalpowerplantforBeilunpowerplant,theinstalledcapacityof3000MW;thelargesthydropowerstationforthetwohydropowerstation,theinstalledcapacityof3300MW;thelargestnuclearpowerplantfortheDayawannuclearpowerplant,theinstalledcapacityof1800MW.
Chinahasmastered6000mwofthermalpowerunitsand5000KWACpowertransmissionprojectdesign,manufacture,construction,debuggingandoperationtechnology;thelocalizationofnuclearpower,DCtransmissiontechnologyhasmadepreliminaryprogress. Ourcountryhasbasicallyhavetheabilitytobuild240mhighdoublecurvaturearchdamandallkindsof180mdamandlargehydropowerstationandpumpedstoragepowerstation.WiththeimplementationoftheThreeGorgespowertransmissionproject,powertransmissionfromwesttoeastproject,powergriddevelopmenthasbeguntoentertheinterregionalnetwork,anewstageofnationalpowernetworkinterconnection.
(1)theproblemsare:
A,powerdevelopmentlevelandthedegreeofelectrificationisstillverylow;B,waterresourceshavenotbeenfullydevelopedandutilized;C,conventionalsmallthermalpowerunitsisstilltoolarge,thesinglecapacityistoosmall;
(2)thesecondis:
a,thelayoutofthehydropowerstationisnotreasonable;theB,thepowersupplyisnotreasonable;thestructureandlayoutofC,powersupplyisunreasonable. (3)theproblemis:
A,Chinapowergridconstructionlaggingpowerconstruction,500kVbackbonegrid,partofthepowergridcannotwithstandmultiplefailureoftheimpact,lowlevelofstability,powertransmissioncapacityisfarlowerthanthenaturalpower,powergridstructureisweak,theallocationofresourcesinthelocalareahasabottleneckconstraints. B,thepeakloadcapacityofpowernetworkisgenerallyinadequate:
themainpowergridpeakshavingabilityisgenerallyinsufficient,peakshavingmeansbackward,hasbettercapabilityofpeakshavinggasunit,pumpingenergystoragecapacityofthehydropowerunitratioistoosmalltoadjustingunitandformanyyears. Withthenationalelectricitytensionrelaxation,theimprovementofpeople'slivingstandard,themainpowergridloadratedecreasedyearbyyear,peakvalleydifferenceismoreandmorebig,powergridpeakshavingproblemgraduallyrevealed. TothemainpowergridinChinaintheyearof2000theaveragepeaktovalleyslipmorethan35%ofsix(CentralChina,Sichuan,Chongqing,Fujian,Guangdong,Guangxi,Yunnan),whichalargeproportionofthehydropowerinSichuanandChongqingandFujianpowergrid,maximumdailypeakvalleyratioreached52.0%and59.2%. C,environmentalprotectiontaskisveryarduous:
China'senergyresourcestocoalbased,inthepowerstructure,thefutureofalongtimetothebasicpatternofcoalfiredunitswillnotchange. Atpresent,theSO2pollutiondischargeofthermalpowerplanthasnotbeeneffectivelycontrolled,thenitrogenoxideiscontrolledbythesingleunitdischargeconcentration. Thecontrolofnitrogenoxideandcarbondioxideisless. Thishasbecometherestrictionfactorofthesustainabledevelopmentstrategyofelectricpowerindustry. D,powerindustrymanagementsystemstillneedtoadapttothenewperioddevelopmentneeds:
withChina'ssocialistmarketeconomysystemandpowersupplyanddemandcontradiction,thepowermanagementsystemandoperationmechanismsomedeep-seatedcontradictionsgraduallyrevealed,province,districtpowermarketbarriershindergreaterregionalpowerresourcesoptimizationallocation,electricitypriceformationmechanismcannotfullyreflectthemarketsupplyanddemand,whichrestrictsthedevelopmentofelectricityconsumptionandenvironmentalprotectiontechnology.
(1)the