感應(yīng)電機(jī)雙饋調(diào)速系統(tǒng)穩(wěn)定性分析與仿真.pdf

1、華中科技大學(xué)碩士學(xué)位論文感應(yīng)電機(jī)雙饋調(diào)速系統(tǒng)穩(wěn)定性分析與仿真姓名：萬能申請學(xué)位級(jí)別：碩士專業(yè)：電機(jī)與電器指導(dǎo)教師：于克訓(xùn)20060501IIABSTRACTDoublyfedmachinesareanotheralternativefvariablespeeddrivesystems.Thedoublyfedmachineshaveseveralattractiveadvantagesfvariablespeeddriveapplica

2、tionsthemostimptantonebeingthesignificantcostreductionwithareducedpowerconverterrating.Furthermeitcanimprovethepowerfactthroughthepowerconverterwhichissupplyingthemachinerotswiththreephasepowerofvariablemagnitudefrequenc

3、y.Benefitedfromtheflexiblemultiplexcontrolmethodsdoublyfedmachineshavegreaterpotentialfapplicationsinvariablespeeddrivesystemwindpowergeneratspumpedhydroelectricstage.Thispaperprocessessomeresearchonthevariablespeeddrive

4、systemsfthedoublyfedmachine.Firstlytheacteristicsofdoublyfedmachineareobtainedthroughcomparingwithasynchronousmot.Operationalprincipledifferentfieldientationcontrolstrategythesteadystateinvestigationofadoublyfedmachinear

5、eanalyzed.Thenarotfluxtwoaxisdynamicmodelisestablishedbasedonwhichaflexibleactivereactivepowercontrolstrategycanbedeveloped.Supersynchronoussubsynchronousoperationofthedrivesystemareobtainedthroughadvancedcontrolmethods.

6、Theirfeasibilityisprovedthroughcomputersimulation.Followingthemodelsunderopenloopvoltageopenloopcurrentfieldientationcontrolareestablished.Stabilityanalysiscomputersimulationanalysisofthedrivesystemwiththemachinearealsop