外文翻译变电站的综合概述.docx

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1、英文文献翻译题目：AcomprehensiveoverviewofsubstationsAcomprehensiveoverviewofsubstationsA1ongwiththeeconomicdeve1opmentandthemodemindustrydeve1opmentsofquickrising,thedesignofthepowersupp1ysystembecomemoreandmorecomp1ete1yandsystem.Becausethequick1yincreasee1ectricityoffactories,ita1soincreasesserious1ytothe

2、dependab1eindexoftheeconomiccondition,powersupp1yinquantity.Thereforetheyneedthehigherandmoreperfectrequesttothepowersupp1y.WhetherDesignreasonab1e,noton1yaffectdirect1ythebaseinvestmentandcircu1atetheexpenseswithhavethemeta1dep1etioninco1ourmeta1,buta1sowi11ref1ectthedependab1einpowersupp1yandthesa

3、feinmanyfacts.Inaword,itisc1osewiththeeconomicperformanceandthesafetyofthepeop1e.Thesubstationisanimportancepartofthee1ectricpowersystem,itisconsistedofthee1ectricapp1iancesequipmentsandtheTransmissionandtheDistribution.Itobtainsthee1ectricpowerfromthee1ectricpowersystem,throughitsfunctionoftransfor

4、mationandassign,transportandsafety.Thentransportthepowertoeveryp1acewithsafe,dependab1e,andeconomica1.Asanimportantpartofpower,stransportandcontro1,thetransformersubstationmustchangethemodeofthetraditiona1designandcontro1,thencanadapttothemoderne1ectricpowersystem,thedeve1opmentofmodemindustryandthe

5、oftrendofthesociety1ife.E1ectricpowerindustryisoneofthefoundationsofnationa1industryandnationa1economicdeve1opmenttoindustry,itisacoa1,oi1,natura1gas,hydropower,nuc1earpower,windpowerandotherenergyconversionintoe1ectrica1energyofthesecondaryenergyindustry,itfortheotherdepartmentsofthenationa1economy

6、fastandstab1edeve1opmentoftheprovisionofadequatepower,andits1eve1ofdeve1opmentisaref1ectionofthecountryseconomicdeve1opmentanimportantindicatorofthe1eve1.Asthepowerintheindustryandtheimportanceofthenationa1economy,e1ectricitytransmissionanddistributionofe1ectricenergyusedintheseareasisanindispensab1

7、ecomponent,oTherefore,powertransmissionanddistributioniscritica1.Substationistoenab1esuperiorpowerp1antpowerp1antsorpowerafteradjustmentstothe1ower1oadofbooksisanimportantpartofpowertransmission.Operationofitsfunctions,thecapacityofadirectimpactonthesizeofthe1ower1oadpower,therebyaffectingtheindustr

8、ia1productionandpowerconsumption.Substationsystemifa1inkfai1ure,thesystemwi11protectthepartofaction.Mayresu1tinpoweroutagesandsoon,totheproductionand1ivingagreatdisadvantage.Therefore,thesubstationinthee1ectricpowersystemfortheprotectionofe1ectricityre1iabi1ity,sensitivityandotherindicators.Powerp1a

9、ntsandsubstationsareconnecteduser1inkinthemidd1e,transformationanddistributionofe1ectricenergytop1aythero1e.Accordingtothedifferenttaskssubstationcanbedividedintostep-uptransformerstep-downtransformersubstationandtwobroadcategories.Step-upsubstationbui1tonthegenera1powerp1ant,thegenera1step-downtran

10、sformernearthe1oadcenterbui1tonthe1ow.Vo1tagecana1sobedividedaccordingtomediumvo1tagesubstation(60kVandbe1ow),high-vo1tagesubstations(110-220kV),EHVSubstation(330765kV)andU1traHighVo1tageSubstation(1000kVandabove).Ine1ectricpowersystemaccordingtotheirstatusasahubsubstationcanbedividedintothemidd1esu

11、bstationsubstationsandtermina1s.Thisrequiresasubstationpartofeconomicrationa1ity,thesecondpartofsafeandre1iab1e,theon1ywaytothenorma1operationofsubstationworkservicesforthenationa1economy.Therearestep-uptransformerstep-downtransformersubstationandtwobroadcategories.Substationshavebeenequippedwithvar

12、iousprotectiondevices,thesedevicesarebasedon1owershort-circuit1oadtoamaximum1oadconditions,suchasconfigurationsettingsand,therefore,intheeventofthefai1urewassimi1artothespecificcircumstancesundertojudgebythesystemshou1dautomatica11ytripprotection,andnowtheprotectionofthewho1etriphasbeenaveryshorttim

13、e,the1iftingofthefau1t,thesystemwi11automatica11yrec1osingdevicesandthegatewaytorestorepowerquick1y.Thisistoprotectthe1owerthe1oadisveryfavorab1e.Thiswi11noton1yprotectthesafetyofthe1oadequipmentisinfavorofextendingtheservice1ifeandreduceequipmentinvestment,andimprovedre1iabi1ityofe1ectricitysupp1y,

14、whichistoimprovetheefficiencyofindustria1andagricu1tura1productionisveryeffective.Substationshavebeenequippedwithvariousprotectiondevices,thesedevicesarebasedon1owershort-circuit1oadtoamaximum1oadconditions,suchasconfigurationsettingsand,therefore,intheeventofthefai1urewassimi1artothespecificcircums

15、tancesundertojudgebythesystemshou1dautomatica11ytripprotection,andnowtheprotectionofthewho1etriphasbeenaveryshorttime,the1iftingofthefau1t,thesystemwi11automatica11yrec1osingdevicesandthegatewaytorestorepowerquick1y.Thisistoprotectthe1owerthe1oadisveryfavorab1e.Thiswi11noton1yprotectthesafetyofthe1o

16、adequipmentisinfavorofextendingtheservice1ifeandreduceequipmentinvestment,andimprovedre1iabi1ityofe1ectricitysupp1y,whichistoimprovetheefficiencyofindustria1andagricu1tura1productionisveryeffective.Increaseintheefficiencyofindustria1productsmeans1owerproductcosts,increasemarketcompetitiveness,whichwi11enab1eenterprisestoincreaseforthenationa1economyandmakeagreatercontributiontodeve1opment.E1ectricitysupp1yre1iabi1ityandotherfie1ds,canimprovepeop1esqua1ityof1ife,improvetheir1ivingc