《电气工程专业英语》课件.pptx
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1、PowerPointcoursewareforElectricalEngineeringPcontents目录OverviewofElectricalEngineeringBasicknowledgeofelectricalengineeringPowerSystemandPowerGenerationElectricmotorsandpowerelectronicscontents目录ElectricalEngineeringPracticeandApplicationVocabularyandExpressionofElectricalEngineeringEnglish01Overvie
2、wofElectricalEngineeringElectricalEngineeringisabranchofengineeringthatdealswiththestudyandapplicationofelectricity,electronics,andelectromagnetismItcoversawiderangeofareas,includingpowergeneration,transmission,anddistribution;Electricalmachineryanddevices;Andtheintegrationofelectronicsandcomputersi
3、ntosystemsElectricalEngineeringisafundamentaldisciplineinmodernsociety,asitprovidesthenecessaryinfrastructureforpowersupply,telecommunications,andinformationtechnologyElectricalengineersdesign,develop,andmaintaintheelectricalsystemsthatareessentialfortheoperationofmodernindustrializedsocietyDefiniti
4、onofElectricalEngineeringElectricalengineeringiscrucialformeetingthegrowingdemandforenergyandtelecommunicationsservicesItensurestherelevantsupplyofelectricitytohomes,businesses,andindustries,anditenablesthedevelopmentofnewtechnologiessuchasrenewableenergysourcesandsmartgridsElectricalengineersalsopl
5、ayacriticalroleinthedesignanddevelopmentofadvancedelectronicsystems,includingmedicaldevices,aerospacesystems,andtransportationsystemsTheyareresponsibleforensuringthesafetyandreliabilityofthesesystems,whichareessentialformodernlifeTheImportanceofElectricalEngineeringThedevelopmentofelectronicsinthe20
6、thcenturyfurtheradvancedelectricalengineeringTheinventionofthetransformerin1947byJohnBardeen,WalterBrattain,andWilliamShockleymarkedaturningpointinthefieldofelectronicsandpaidthewayforthedigitalageThehistoryofelectricalengineeringcanbetracedbacktothediscoveryofelectricityinthe18thcenturyThefirstelec
7、tricalexperimentswereconductedbyscientistssuchasBenjaminFranklin,whoconductedexperimentsonelectricityanditspropertiesInthe19thcentury,electricityBegantobeusedforpracticalapplications,suchaslightingandpowermachinesThomasEdisonsdevelopmentoftheincandescentlightbulbmarketedasignificantmilestoneinelectr
8、icalengineeringhistoryTheDevelopmentHistoryofElectricalEngineering02BasicknowledgeofelectricalengineeringCircuitA closed path that allowscurrenttoflowSeriesCircuitCircuitinwhichcurrentflowsthrough each component insequenceVoltageacrosseachcomponentisthesameParallelCircuitCircuitinwhichcurrentflowsth
9、roughcomponentsinparallel Current through eachbranchisthesameFundamentalsofCircuitResultantforceactingonapointchargeinaregiondevoidofchargesFluxofmagneticforcelinesgeneratedbyacurrentcarryingwireorcurrentcarryingwireloopElectricandmagneticfieldsMagneticfieldElectricfieldAC(AlternatingCurrent)Electri
10、calcurrentthatperiodicallyreversesdirectionDC(DirectCurrent)ElectricalcurrentthatflowsinonedirectiononlyACandDCelectricityResistorAdevicethatopposestheflowofcurrentinanelectricalcircuit,dissipatingenergyasheatCapacitorAnelectronicdevicethatstoresenergyinanelectricfieldbetweentwoconductorsseparatedby
11、adielectricTransformerAnelectricaldevicethattransferselectricalenergybetweentwoormorewindswononacommonferromagneticcore,bymeansofelectricalintroductionInductorApassivetwoterminalelectricalcomponentthatstoresenergyinamagneticfieldwhencurrentpassesthroughitElectricalcomponentsandequipment03PowerSystem
12、andPowerGenerationDefinitionPowersystemreferstothenetworkofelectricalcomponentsthatgenerate,transmit,anddistributeelectricalenergyCompositionApowersystemconsiderationsofgeneration,transmission,distribution,andconsumptionofelectricalenergyImportancePowersystemisessentialformeetingtheenergyneedsofmode
13、rnsociety010203OverviewofPowerSystemThermalpowergenerationBurningfossilfuels(coal,oil,gas)togenerateelectricityUsingtheforceoffallingwaterorwaterpressuretorotateturbinesthatgenerateelectricityUsingthenuclearfissionprocesstogenerateheat,whichisthenusedtoproducesteamthatdrivesturbinesandgenerateselect
14、ricityUsingwindturbinestoconvertwindenergyintoelectricityHydroelectricpowergenerationNuclearpowergenerationWindpowergenerationPowergenerationmethodsandpowerplantsPowerGridandTransmissionLinesThepowergridiscrucialforensuringreliableandeffectivedeliveryofelectricitytoconsumersImportancePowergridrefers
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- 电气工程专业英语 电气工程 专业 英语 课件
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