三相自激異步發(fā)電機(jī)暫態(tài)運(yùn)行性能的研究.pdf

1、青島大學(xué)碩士學(xué)位論文三相自激異步發(fā)電機(jī)暫態(tài)運(yùn)行性能的研究姓名：馮紹勇申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：自動(dòng)化工程指導(dǎo)教師：吳新振20060522Abs婦ctAbstractThethreephaseinductiOngeneratorischaracterizedwithsimpleconstruction，operatingrcliability，andgooddynamicpefformaⅡceItrepfesentsthedeVeIopme

2、ⅡttendencyoflhepowergcnerationbIockinisolaledPDwersystemsTounderstandthevafiablesindifferentcircumstancesandproVidetbefoundationfofmachinedesign，thedynamicopefationperformancesunderVonagebuiIdingandIoadsuddenchangeforthe

3、inductiongeneraCOrafestudiedinthepapefThcparametersofthcmachinearemeasufedbynOloadIcstandshortcircuittestThereIa“onshipbetweentheexcitingcurrentandcorrespondingair—gapvoltageattheratedfrequencyisObtained，thusdetermininge

4、xpr弓ssiOnsforexc“inginductaⅡceandexcitingcutrentinline魚(yú)f舍egmeⅡtfotmTheequiValentcircuitsin4蘆0referenceframearebasedonthepar丑metefsbyaboVetestsSimulationandanalysisareperfOfmedtonsdynamicprocessByapplyingthesIationafy口，0r

5、efereⅡcesystemtotheinductiongenerator，asetofdiffercnIialequationsbasedOnbasicclectromagncliclawsiscstabIishedWjthconsiderationofthemagnetizinginductanceinfluencedbythemagnc“zingcurrents，thevafying—coefficientdiffe托ntiale

6、quatioⅡsarcsolVcdbythenumeficalmethodThcc童lc醢l(fā)Atedfes掛llssh口w￡hatthebuilduPVolt矗geisi矗cfetsedndtf矗A0ie疊^ProcessisdecreasedwiththeincreaseofcapacitanceThesimul丑tionrcsultsafeingoodagreementwiththeexpefimeⅡtalfesults，which

7、VerifythecofrectncssofthepreseⅡtedme瞳0dDynamicperformancesduringsuddenchangesinlOadareanalyzedandsimulatedItenlphasizesontheprocessesofthreeph童sesuddenshortcircuitinmachine’sterminalandself—excitationcapacilorswitchingof

8、fThecffecloftheinstantatwhich￡heinducCiongenera￡orisshortcircu“edonthcmaximumcurfenti皇showedThecomparisoⅡbetweenthesimulationrcsultsandexPefimentalresultsismadeaⅡdthevalid“yofthesimulatiOnmethodsisconfirmedKeywords：three