多源低压微电网建模及控制方法的-研究

《多源低压微电网建模及控制方法的-研究》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、山东科技大学硕士学位论文摘要ABSTRACTThesimulationstIldyofthemicro-鲥dmodelisallimportantmethodtostudythestableoperationofthemicro—gridsystem．Thisarticleistoanalyzethedigitalandsimulatedmodelofthethreetypesofdistributedmicro—sourcesforthemicrogridsystem，aswellastopro

2、ceedthesimulatedtestwitllcalculationforthelowvoltagemicrogidbasedonthesethreetypesofmicro-sources．Thisthesissummarizedthestudysituationofthemicrogrdinbomdomesticandabroadasstarted,thenstatedtherelativetheoreticalbasementofthemicrogrdincludingtheanalys

3、isofthearchitecturalfeatureandthecharacteristicofthecell．Secondly,tosetupthesubmodulemodelofthemicro-turbineonbasisofthebasicprinciple，andtOsetupthecompletesimulatedmodelthroughPSCADafterthat．Then,thethreetypesofdigitalmodelofSOFCincludingshort-term，m

4、id-term，long-termweresetupconsideringthebatterytemperature，thechangeofpressureandtheultimatelossoftheSOFCinoperation．AndtosetuptheelectrochemicalsimulationmodelofSOFCinmediumlength．Onbasisofbasicprincipleofthewindpowertechnologyandtheelectromechanics，

5、thedigitalmodelsofthewindspeed，theaerodynamics，theshaftingmoduleandthemagnetoalternatormoduleweresetuprespectively,basedonwhichthesimulatedmodelofthemicrodirectdrivingmagnetowindgeneratorwithconstantspeedandconstantfrequencywassetup．Afterwards，thethes

6、isstatedthefourtypesofcontrollingmethodofthemicro班dincludinghost-guest,equality,comprehensive，andmulti·layer．Byme,aIlsoftheanalysisofthedigitalmodelofthethreephasevoltageinverterunderthedq0coordinatesystem，thethesiswasfollowedbytheanalysisandtheratioc

7、inationofPSCADdigitalmodelofthethreetypesofcontrollingmethodsbasedonthesynchronouslyrotatingreferenceframeincludingfixed—valuepowermethod,敏edpowerfrequencymethod,andthedroopmethod,aswellaStheSPWMconl工oUingmethodandthedesigncriteriaoftheelectricfilter．

8、Lastly,theabovedistributedmicro—generationmodelWaslinked耐ththe10kV／0．4kVPSCADmicro-gridmodelestablishedwiththereferenceofEUlow-powerdistribution山东科技大学硕士学位论文摘要s仃ucture，whichb血giIlthesiIIlulationmodeloflowpowerIIlicro-鲥dwimInulti—sources．ThesmbM