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首页 Eletric Machinery电机学(第6版)

Eletric Machinery电机学(第6版).pdf

Eletric Machinery电机学(第6版)

batterysnoopy
2010-01-31 0人阅读 举报 0 0 暂无简介

简介:本文档为《Eletric Machinery电机学(第6版)pdf》,可适用于工程科技领域

ElectricMachinerySixthEditionAEFitzgeraldLateVicePresidentforAcademicAffairsandDeanoftheFacultyNortheasternUniversityCharlesKingsley,JrLateAssociateProfessorofElectricalEngineering,EmeritusMassachusettsInstituteofTechnologyStephenDUmansPrincipalResearchEngineerDepartmentofElectricalEngineeringandComputerScienceLaboratoryforElectromagneticandElectronicSystemsMassachusettsInstituteofTechnology~l~CrawlillBostonBurrRidge,ILDubuque,IAMadison,WlNewYorkSanFranciscoStLouisBangkokBogotaCaracasKualaLumpurLisbonLondonMadridMexicoCityMilanMontrealNewDelhiSantiagoSeoulSingaporeSydneyTaipeiTorontoMcGrawHillHigherEducationADivisionofTheMcGrawHillCompaniesELECTRICMACHINERY,SIXTHEDITIONPublishedbyMcGrawHill,abusinessunitofTheMcGrawHillCompanies,Inc,AvenueoftheAmericas,NewYork,NYCopyright(~),,,,,byTheMcGrawHillCompanies,IncAllrightsreservedCopyrightrenewedbyRosemaryFitzgeraldandCharlesKingsley,JrAllrightsreservedNopartofthispublicationmaybereproducedordistributedinanyformorbyanymeans,orstoredinadatabaseorretrievalsystem,withoutthepriorwrittenconsentofTheMcGrawHillCompanies,Inc,including,butnotlimitedto,inanynetworkorotherelectronicstorageortransmission,orbroadcastfordistancelearningSomeancillaries,includingelectronicandprintcomponents,maynotbeavailabletocustomersoutsidetheUnitedStatesThisbookisprintedonacidfreepaperInternationalDomesticDOCDOCDOCDOCISBNISBN(ISE)Publisher:ElizabethAJonesDevelopmentaleditor:MichelleLFlomenhofiExecutivemarketingmanager:JohnWannemacherProjectmanager:RoseKoosProductionsupervisor:SherryLKaneMediaprojectmanager:JodiKBanowetzSeniormediatechnologyproducer:PhillipMeekCoordinatoroffreelancedesign:RickDNoelCoverdesigner:RickDNoelCoverimagecourtesyof:RockwellAutomation~RelianceElectricLeadphotoresearchcoordinator:CarrieKBurgerCompositor:InteractiveCompositionCorporationTypeface:TimesRomanPrinter:RRDonnelleySonsCompanyCrawfordsville,INLibraryofCongressCataloginginPublicationDataFitzgerald,AE(ArthurEugene),ElectricmachineryAEFitzgerald,CharlesKingsley,Jr,StephenDUmansthedpcm(McGrawHillseriesinelectricalengineeringPowerandenergy)IncludesindexISBNISBNElectricmachineryIKingsley,Charles,IIUmans,StephenDIIITitleIVSeriesTKFfdcCIPINTERNATIONALEDITIONISBNCopyright~ExclusiverightsbyTheMcGrawHillCompanies,Inc,formanufactureandexportThisbookcannotbereexportedfromthecountrytowhichitissoldbyMcGrawHillTheInternationalEditionisnotavailableinNorthAmericawwwmhhecomMcGrawHillSeriesinElectricalandComputerEnaineerinawStephenWDirector,UniversityofMichigan,AnnArbor,SeniorConsultingEditorCircuitsandSystemsCommunicationsandSignalProcessingComputerEngineeringControlTheoryandRoboticsElectromagneticsElectronicsandVLSICircuitsIntroductoryPowerAntennas,Microwaves,andRadarRonaldNBracewell,ColinCherry,JamesFGibbons,WillisWHarman,HubertHeffner,EdwardWHerold,JohnGLinvill,SimonRamo,RonaldARohrer,AnthonyESiegman,CharlesSusskind,FrederickETerman,JohnGTruxal,ErnstWeber,andJohnRWhinnery,PreviousConsultingEditorsThisbookisdedicatedtomymom,NettieUmans,andmyaunt,MaeHoffman,andinmemoryofmydad,SamuelUmansABOUTTHEAUTHORSThelateArthurEFitzgeraldwasVicePresidentforAcademicAffairsatNortheasternUniversity,aposttowhichhewasappointedafterservingfirstasProfessorandChairmanoftheElectricalEngineeringDepartment,followedbybeingnamedDeanofFacultyPriortohistimeatNortheasternUniversity,ProfessorFitzgeraldspentmorethanyearsattheMassachusettsInstituteofTechnology,fromwhichhereceivedtheSMandScD,andwhereherosetotherankofProfessorofElectricalEngineeringBesidesElectricMachinery,ProfessorFitzgeraldwasoneoftheauthorsofBasicElectricalEngineering,alsopublishedbyMcGrawHillThroughouthiscareer,ProfessorFitzgeraldwasattheforefrontinthefieldoflongrangepowersystemplanning,workingasaconsultingengineerinindustrybothbeforeandafterhisacademiccareerProfessorFitzgeraldwasamemberofseveralprofessionalsocieties,includingSigmaXi,TauBetaPi,andEtaKappaNu,andhewasaFellowoftheIEEEThelateCharlesKingsley,JrwasProfessorintheDepartmentofElectricalEngineeringandComputerScienceattheMassachusettsInstituteofTechnology,fromwhichhereceivedtheSBandSMdegreesDuringhiscareer,hespenttimeatGeneralElectric,Boeing,andDartmouthCollegeInadditiontoElectricMachinery,ProfessorKingsleywascoauthorofthetextbookMagneticCircuitsandTransformersAfterhisretirement,hecontinuedtoparticipateinresearchactivitiesatMITHewasanactivememberandFellowoftheIEEE,aswellasitspredecessorsociety,theAmericanInstituteofElectricalEngineersStephenDUmansisPrincipalResearchEngineerintheElectromechanicalSystemsLaboratoryandtheDepartmentofElectricalEngineeringandComputerScienceattheMassachusettsInstituteofTechnology,fromwhichhereceivedtheSB,SM,EE,andScDdegrees,allinelectricalengineeringHisprofessionalinterestsincludeelectromechanics,electricmachinery,andelectricpowersystemsAtMIT,hehastaughtawiderangeofcoursesincludingelectromechanics,electromagnetics,electricpowersystems,circuittheory,andanalogelectronicsHeisaFellowoftheIEEEandanactivememberofthePowerEngineeringSociety,PREFACEThechiefobjectiveofElectricMachinerycontinuestobetobuildastrongfoundationinthebasicprinciplesofelectromechanicsandelectricmachineryThroughallofitseditions,theemphasisofElectricMachineryhasbeenonbothphysicalinsightandanalyticaltechniquesMasteryofthematerialcoveredwillprovideboththebasisforunderstandingmanyrealworldelectricmachineryapplicationsaswellasthefoundationforproceedingontomoreadvancedcoursesinelectricmachinerydesignandcontrolAlthoughmuchofthematerialfromthepreviouseditionshasbeenretainedinthisedition,therehavebeensomesignificantchangesTheseinclude:mAchapterhasbeenaddedwhichintroducesthebasicconceptsofpowerelectronicsasapplicabletomotordrivesmTopicsrelatedtomachinecontrol,whichwerescatteredinvariouschaptersinthepreviousedition,havebeenconsolidatedinasinglechapteronspeedandtorquecontrolInaddition,thecoverageofthistopichasbeenexpandedsignificantlyandnowincludesfieldorientedcontrolofbothsynchronousandinductionmachinesmMATLAB®examples,practiceproblems,andendofchapterproblemshavebeenincludedintheneweditionnTheanalysisofsinglephaseinductionmotorshasbeenexpandedtocoverthegeneralcaseinwhichthemotorisrunningoffbothitsmainwindinganditsauxiliarywinding(suppliedwithaseriescapacitor)PowerelectronicsareasignificantcomponentofmanycontemporaryelectricmachineapplicationsThistopicisincludedinChapterofthiseditionofElectricMachineryinrecognitionofthefactthatmanyelectricmachinerycoursesnowincludeadiscussionofpowerelectronicsanddrivesystemsHowever,itmustbeemphasizedthatthesinglechapterfoundhereisintroductoryatbestOnechaptercannotbegintodojusticetothiscomplextopicanymorethanasinglechapterinapowerelectronicstextcouldadequatelyintroducethetopicofelectricmachineryTheapproachtakenhereistodiscussthebasicpropertiesofcommonpowerelectroniccomponentssuchasdiodes,SCRs,MOSFETs,andIGBTsandtointroducesimplemodelsforthesecomponentsThechapterthenillustrateshowthesecomponentscanbeusedtoachievetwoprimaryfunctionsofpowerelectroniccircuitsindriveapplications:rectification(conversionofactodc)andinversion(conversionofdctoac)PhasecontrolledrectificationisdiscussedasatechniqueforcontrollingthedcvoltageproducedfromafixedacsourcePhasecontrolledrectificationcanbeusediMATLABisaregisteredtrademarkofTheMathWorks,IncPrefacex|todrivedcmachinesaswellastoprovideacontrollabledcinputtoinvertersinacdrivesSimilarly,techniquesforproducingsteppedandpulsewidthmodulatedwaveformsofvariableamplitudesandfrequencyarediscussedThesetechniquesareattheheartofvariablespeeddrivesystemswhicharecommonlyfoundinvariablespeedacdrivesDrivesystemsbaseduponpowerelectronicspermitagreatdealofflexibilityinthecontrolofelectricmachinesThisisespeciallytrueinthecaseofacmachineswhichusedtobefoundalmostexclusivelyinapplicationswheretheyweresuppliedfromthefixedfrequency,fixedvoltagepowersystemThus,theintroductiontopowerelectronicsinChapterisfollowedbyachapteronthecontrolofelectricmachinesChapterbringstogethermaterialthatwasdistributedinvariouschaptersinthepreviouseditionItisnowdividedintothreemainsections:controlofdcmotors,controlofsynchronousmotors,andcontrolofinductionmotorsAbrieffourthsectiondiscussesthecontrolofvariablereluctancemotorsEachofthesemainsectionsbeginswithadisCussionofspeedcontrolfollowedbyadiscussionoftorquecontrolManymotordrivesystemsarebaseduponthetechniqueoffieldorientedcontrol(alsoknownasvectorcontrol)AsignificantadditiontothisneweditionisthediscussionoffieldorientedcontrolwhichnowappearsinChapterThisissomewhatadvancedmaterialwhichisnottypicallyfoundinintroductorypresentationsofelectricmachineryAsaresult,thechapterisstructuredsothatthismaterialcanbeomittedorincludedatthediscretionoftheinstructorItfirstappearsinthesectionontorquecontrolofsynchronousmotors,inwhichthebasicequationsarederivedandtheanalogywiththecontrolofdcmachinesisdiscussedItappearsagaininitsmostcommonlyusedforminthesectiononthetorquecontrolofinductionmotorsTheinstructorshouldnotethatacompletepresentationoffieldorientedcontrolrequirestheuseofthedqtransformationThistransformation,whichappearedforsynchronousmachinesinChapterofthepreviousedition,isnowfoundinAppendixCofthiseditionInaddition,thediscussioninthisappendixhasbeenexpandedtoincludeaderivationofthedqtransformationforinductionmachinesinwhichbothstatorandrotorquantitiesmustbetransformedAlthoughverylittleinthewayofsophisticatedmathematicsisrequiredofthereaderofthisbook,themathematicscangetsomewhatmessyandtediousThisisespeciallytrueintheanalyisofacmachinesinwhichthereisasignificantamountofalgebrainvolvingcomplexnumbersOneofthesignificantpositivedevelopmentsinthelastdecadeorsoisthewidespreadavailabilityofprogramssuchasMATLABwhichgreatlyfacilitatethesolutionofsuchproblemsMATLABiswidelyusedinmanyuniversitiesandisavailableinastudentversionInrecognitionofthisdevelopment,thiseditionincorporatesMATLABinexamplesandpracticeproblemsaswellasinendofchapterproblemsItshouldbeemphasized,though,thattheuseofMATLABisnotinanywayarequirementfortheadoptionoruseofElectricMachineryRather,itisanenhancementThebookTheMATLABStudentVersionispublishedanddistributedbyTheMathWorks,Inc(http:wwwmathworkscom)xiiPrefacenowincludesinterestingexampleswhichwouldhaveotherwisebeentoomathematicallytediousSimilarly,therearenowendofchapterproblemswhicharerelativelystraightforwardwhendonewithMATLABbutwhichwouldbequiteimpracticalifdonebyhandNotethateachMATLABexampleandpracticeproblemhasbeennotatedwiththesymbol~,foundinthemarginofthebookEndofchapterproblemswhichsuggestorrequireMATLABaresimilarlynotatatedItshouldbeemphasizedthat,inadditiontoMATLAB,anumberofothernumericalanalysispackages,includingvariousspreadsheetpackages,areavailablewhichcanbeusedtoperformcalculationsandtoplotinafashionsimilartothatdonewithMATLABIfMATLABisnotavailableorisnotthepackageofpreferenceatyourinstitution,instructorsandstudentsareencouragedtoselectanypackagewithwhichtheyarecomfortableAnypackagethatsimplifiescomplexcalculationsandwhichenablesthestudenttofocusontheconceptsasopposedtothemathematicswilldojustfineInaddition,itshouldbenotedthatevenincaseswhereitisnotspecificallysuggested,mostoftheendofchapterproblemsinthebookcanbeworkedusingMATLABoranequivalentprogramThus,studentswhoarecomfortableusingsuchtoolsshouldbeencouragedtodosotosavethemselvestheneedtogrindthroughmessycalculationsbyhandThisapproachisalogicalextensiontotheuseofcalculatorstofacilitatecomputationWhensolvinghomeworkproblems,thestudentsshouldstill,ofcourse,berequiredtoshowonpaperhowtheyformulatedtheirsolution,sinceitistheformulationofthesolutionthatiskeytounderstandingthematerialHowever,onceaproblemisproperlyformulated,thereistypicallylittleadditionaltobelearnedfromthenumbercrunchingitselfThelearningprocessthencontinueswithanexaminationoftheresults,bothintermsofunderstandingwhattheymeanwithregardtothetopicbeingstudiedaswellasseeingiftheymakephysicalsenseOneadditionalbenefitisderivedfromtheintroductionofMATLABintothiseditionofElectricMachineryAsreadersofpreviouseditionswillbeaware,thetreatmentofsinglephaseinductionmotorswasnevercompleteinthatananalyticaltreatmentofthegeneralcaseofasinglephasemotorrunningwithbothitsmainandauxiliarywindingsexcited(withacapacitorinserieswiththeauxiliarywinding)wasneverconsideredInfact,suchatreatmentofsinglephaseinductionmotorsisnotfoundinanyotherintroductoryelectricmachinerytextbookofwhichtheauthorisawareTheproblemisquitesimple:thisgeneraltreatmentismathematicallycomplex,requiringthesolutionofanumberofsimultaneous,complexalgebraicequationsThis,however,isjustthesortofproblematwhichprogramssuchasMATLABexcelThus,thisneweditionofElectricMachineryincludesthisgeneraltreatmentofsinglephaseinductionmachines,completewithaworkedoutquantitativeexampleandendofchapterproblemsItishighlylikelythatthereissimplytoomuchmaterialinthiseditionofElectricMachineryforasingleintroductorycourseHowever,thematerialinthiseditionhasbeenorganizedsothatinstructorscanpickandchoosematerialappropriatetothetopicswhichtheywishtocoverAsinthefifthedition,thefirsttwochaptersintroducebasicconceptsofmagneticcircuits,magneticmaterials,andtransformersThethirdPrefacexiiichapterintroducesthebasicconceptofelectromechanicalenergyconversionThefourthchapterthenprovidesanoverviewofandonintroductiontothevariousmachinetypesSomeinstructorschoosetoomitallormostofthematerialinChapterfromanintroductorycourseThiscanbedonewithoutasignificantimpacttotheunderstandingofmuchofthematerialintheremainderofthebookThenextfivechaptersprovideamoreindepthdiscussionofthevariousmachinetypes:synchronousmachinesinChapter,inductionmachinesinChapter,dcmachinesinChapter,variablereluctancemachinesinChapter,andsingletwophasemachinesinChapterSincethechaptersareprettymuchindependent(withtheexceptionofthematerialinChapterwhichbuildsuponthepolyphaseinductionmotordiscussionofChapter),theorderofthesechapterscanbechangedandoraninstructorcanchoosetofocusononeortwomachinetypesandnottocoverthematerialinallfiveofthesechaptersTheintroductorypowerelectronicsdiscussionofChapterisprettymuchstandaloneInstructorswhowishtointroducethismaterialshouldbeabletodosoattheirdiscretionthereisnoneedtopresentitinacourseintheorderthatitisfoundinthebookInaddition,itisnotrequiredforanunderstandingoftheelectricmachinerymaterialpresentedinthebook,andinstructorswhoelecttocoverthismaterialinaseparatecoursewillnotfindthemselveshandicappedinanywaybydoingsoFinally,instructorsmaywishtoselecttopicsfromthecontrolmaterialofChapterratherthanincludeitallThematerialonspeedcontrolisessentiallyarelativelystraightforwardextensionofthematerialfoundinearlierchaptersontheindividualmachinetypesThematerialonfieldorientedcontrolrequiresasomewhatmoresophisticatedunderstandingandbuildsuponthedqtransformationfoundinAppendixCItwouldcertainlybereasonabletoomitthismaterialinanintroductorycourseandtodelayitforamoreadvancedcoursewheresufficienttimeisavailabletodevotetoitMcGrawHillhassetupawebsite,wwwmhhecomumans,tosupportthisneweditionofElectricMachineryThewebsitewillincludeadownloadableversionofthesolutionsmanual(forinstructorsonly)aswellasPowerPointslidesoffiguresfromthebookThisbeinganewfeatureofElectricMachinery,weare,toagreatextent,startingwithablankslateandwillbeexploringdifferentoptionsforsupplementingandenhancingthetextForexample,inrecognitionofthefactthatinstructorsarealwayslookingfornewexamplesandproblems,wewillsetupamechanismsothatinstructorscansubmitexamplesandproblemsforpublicationonthewebsite(withcreditgiventotheirauthors)whichthencanbesharedwithotherinstructorsWearealsoconsideringsettingupasectionofthewebsitedevotedtoMATLABandothernumericalanalysispackagesForusersofMATLAB,thesitemightcontainhintsandsuggestionsforapplyingMATLABtoElectricMachineryaswellasperhapssomeSimulink®examplesforinstructorswhowishtointroducesimulationsintotheircoursesSimilarly,instructorswhousepackagesotherthanMATLABmightSimulinkisaregisteredtrademarkofTheMathWorks,IncxivPrefacewanttosubmittheirsuggestionsandexperiencestosharewithotherusersInthiscontext,thewebsitewouldappearagaintobeanidealresourceforenhancinginteractionbetweeninstructorsClearly,thewebsitewillbealivingdocumentwhichwillevolveinresponsetoinputfromusersIstronglyurgeeachofyoutovisititfrequentlyandtosendinsuggestions,problems,andexamples,andcommentsIfullyexpectittobecomeavaluableresourcefo

用户评价(3)

  • wencheng772 不错,要有耐心看

    2010-12-13 21:04:04

  • 蓝天 这个东西找了好久终于找到了 谢谢啊

    2010-07-19 16:59:14

  • 一戈 原版(英文)

    2010-03-15 18:27:09

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Eletric Machinery电机学(第6版)

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