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1、附录Ⅲ英文翻译AcomprehensiveoverviewofsubstationsAlongwiththeeconomicdevelopmentandthemodernindustrydevelopmentsofquickrising,thedesignofthepowersupplysystembecomemoreandmorecompletelyandsystem.Becausethequicklyincreaseelectricityoffactories,italsoincreasesseriouslytothedependableindexoftheeconomiccon
2、dition,powersupplyinquantity.Thereforetheyneedthehigherandmoreperfectrequesttothepowersupply.WhetherDesignreasonable,notonlyaffectdirectlythebaseinvestmentandcirculatetheexpenseswithhavethemetaldepletionincolourmetal,butalsowillreflectthedependableinpowersupplyandthesafeinmanyfacts.Inaword,itis
3、closewiththeeconomicperformanceandthesafetyofthepeople.Thesubstationisanimportancepartoftheelectricpowersystem,itisconsistedoftheelectricappliancesequipmentsandtheTransmissionandtheDistribution.Itobtainstheelectricpowerfromtheelectricpowersystem,throughitsfunctionoftransformationandassign,trans
4、portandsafety.Thentransportthepowertoeveryplacewithsafe,dependable,andeconomical.Asanimportantpartofpower’stransportandcontrol,thetransformersubstationmustchangethemodeofthetraditionaldesignandcontrol,thencanadapttothemodernelectricpowersystem,thedevelopmentofmodernindustryandtheoftrendofthesoc
5、ietylife.Electricpowerindustryisoneofthefoundationsofnationalindustryandnationaleconomicdevelopmenttoindustry,itisacoal,oil,naturalgas,hydropower,nuclearpower,windpowerandotherenergyconversionintoelectricalenergyofthesecondaryenergyindustry,itfortheotherdepartmentsofthenationaleconomyfastandsta
6、bledevelopmentoftheprovisionofadequatepower,anditslevelofdevelopmentisareflectionofthecountry'seconomicdevelopmentanimportantindicatorofthelevel.Asthepowerintheindustryandtheimportanceofthenationaleconomy,electricitytransmissionanddistributionofelectricenergyusedintheseareasisanindispensablecom
7、ponent.。Therefore,powertransmissionanddistributioniscritical.Substationistoenablesuperiorpowerplantpowerplantsorpowerafteradjustmentstothelowerloadofbooksisanimportantpartofpowertransmission.Operationofitsfunctions,thecapacityofad