風(fēng)力發(fā)電試驗系統(tǒng)的研究

1、17，r一oij，、弘面麗聰分糞號：1316密級：——單位代碼：ji!i!學(xué)號：自i03業(yè)zjlooo墅侖肥工學(xué)火警HefeiUniversityofTechnology碩士學(xué)位論文MASTERDISSERTATIoNo論文題目：風(fēng)力發(fā)電試驗系統(tǒng)的研究學(xué)位類別：學(xué)科專業(yè)：(工程領(lǐng)域作者姓名：導(dǎo)師姓名：完成時間：學(xué)歷碩士電力電子與電力傳動程顯忠張興教授2007年5月TheResearchoftheWindPowerGenerationEx

2、perimentalSystemAbstractWiththeabsenceoftheconventionalenergyresourceintheworldthereisasensibleincreaseinairpollutionWindPowerWhichisthepureandrenewableenergyisattachedimportancetoinsteadoftheeonventionalenergyresourcesT

3、hevariablespeedconstantfrequencywindpowergenerationsystemusingthedoublyfedinductiongeneratoriswidelyusedduetoitsvariousmeritsButinlaboratorysomenecessaryequipmentisscarcitySothepilotsystemisimportmattoresearchthewindpowe

4、rgenerationsysteminthelabThisarticle，whichisonthefoundationofthewindpowergenerationsystem，analyzesinverygreatdetailthepostulateofthevariablespeedconstantfrequencywindpowergenerationsystemusingtheDFIGInordertosolvethedisa

5、dvantageofusingtheDCmotortosimulatethewindturbinethearticleelaboratesonthewindturbinesimulation，whichisadoptingoftheACasynchronousmotorbasedonthevectorcontroIofthetorquecurrentclosed—loopAccordingtothesimulatedwindinthec

6、entralcomputer，themechanicaltorqueiscalculatedbasedontheparametersofthewindturbineMakingthisvalueofthemeehaniealtorqueastheinstructionofthevectorcontrol。theACasynchronousmotorcouldruninthelightofthecharacteristicofthewin

7、dturbineThecharacteristiesoftheACasynchronousmotorisadoptedbythepilotsystem，becauseofitssmallsize。lowcost，easilymaintainandthevectorcontrolhasthemeritforhavingthegooddynamicperformanceInthisarticle，thesomeconventionalmax

8、imumpowertracking(MPPT)strategiesisanalyzed，andfounduponthis，anewMPPTstrategyisalsoproposedThenewMPPTstrategyisbasedonthemaximumpowercurvefitting(MPCF)，andthestrategy，whichcombinesthePowerSignalFeedback(PSF)methodandtheH

9、illClimbingSearching(HCS)method，adoptsthedoubleouterclosedloopbetweenthegenerator’srevandtheoutputpowerAttheSalTletime。themaximumpowercurveisfittedonlineatrealtimeinordertokeepingtheveracityoftheMPPTThesimulationofthepil

10、otsystemisfinishedbasedontheMatlaband也enkWwindpowergenerationpilotsystemisconstructedThesystemismadeupOfthecentralcomputerwindturbinesimulatorandtheDFIGwiththebacktobackconverterThecentralcomputerdoes也ejobofthemonitoring

11、onlinethewindfarmsimulationand也ecalculatingthewindturbine’SmechanicaltorqueThewindturbinesimulationsystemdrivestheDFIGtogenerateelectricityTheresultsshowthatthesimulationsystemworkswellKeywords：WindPowerGeneration，Turbin