非線性汽門控制研究及有功中層控制初探.pdf

1、iY1039136分類號：型2密級：公五。UIX2：查21：三學號：鱧鯪殛東南大學碩士學位論文非線性汽門控制研究及有功中層控制初探研究生姓名：趙太往導師姓名：王勤副塾授越盤史夔攫一、申請學位級別一一亟論文提交日期一至鯉魚堡魚旦!三旦學位授予單位塞宣太堂答辯委員會主席垂匡叁學科專業(yè)名稱撞劍壁詮當撞剜王垂論文答辯日期至Q幺生Z且強學位授予日期一至Q生旦量評閱人一垂絲生所山2006年6月20日AbstfactAbstractTitle：Res

2、earchonnonlineargovernorcontrolandprimaryexplorationofsecondaryactivepowercontrolMastercandidate：ZHA0DaweiSupervisor：AssociateprofessorWANGQinandProfessorDAIXianzhongOrganization：SoutheastUniversityTheactivepowercontro】i

3、SofgreatimportanceforthesafeandstableoperationofpowersystemsAspresentvanouskindsofnonlineargovernorcontrollerscannotconsiderthespeeddrnopcharacteristicofpracticalgovernors，andshouldknowsystem’sPOstdisturbanceoperatingpoi

4、ntintheprocessofcontrol，thenonlineargovemorcontrollerwithspeeddroopcharacteristicjsfocnsedinthispapeLMeanwhile，therearesomeproblemsexistingintheAutomaticGenerationControl(AGC)systemwhichisapopularsecondaryactivepowercont

5、rolsystem，forexample。allcontrolledunitsshouldactwhensutieredarelativesmallloaddisturbance；theequalincrementalmethodusedinAGCtosolvetheeconomicloaddispatchproblemcall’tconsiderthevalvepointeffectofpracticalunitsSo，thispap

6、ermakesaprimaryexplorationofsecondaryactivePOwetcentrelproblemandattemptstogiveaschemethatcandealwiththevalvepointeffectofpracticalunitsIndetail，maincontentsoftllispaperareasfollows：1111egovernorcontrollerwithspeed—droop

7、characteristicisdesignedDifferantfromselectingsinglevariable(suchasrotorangleorrotorspeed)鶴centreloutputinnormalnonlineargovernorcontrolmethodsacombinedoutputort11elinearcombinationofrotorspeedandmechanicalpewetischoseni

8、nthepaperandthenthenonlineargovemorcontrollerisdesignedbasedonthiscombinedoutputUnderthecontroloftheproposednonlineargovemorcontrollertherewillbeadefiniteproportionrelationbetweenthedifrerencesoftherotorspeedandthemechan

9、icalpowerwiththeirinitialvaluesFurthermorethisproportionisassignedasthespeeddroopandthustheproposedcontrollercanreflectthespeed—droopcharacteristicMeanwhileitdoesnotneedtoknowsystem’spostdisturbanceoperatingpointinthepro

10、cessofcontrolfortheproposedcontroller2111epaperattemptstogiveasecondaryactivepowercentrelschemewhichcandealwiththevalvepointeffectofpracticalunitsDifierentfrompresentAGCschemewhentheloaddistarbancoisrelativesmall，theunit

11、thathasbestregulationperformance(1argestcapacityfastspeed)willbeselectedandwillactfirstlyandth№thestablecontrolmissionwillbecompletedThenbasedonthestatusofthestablecontrolmissionandtheresiduaIcapacityofthefirstactingunit

12、theschemedecideswhetherconducteconomicloaddispatchamongothercontrolledunitsornotInordertoconsiderthevalvepointeffectofpracticalunitstheproposedcontrolschemecanconducteconomic10addispatchbasedonnotonlythetraditionalequali

13、ncrementalmethodbutalsotheimprovedparticleswarmoptimizationalgorithmBasedonPSASRandselectingtheEPRl36ACsystem部asamplesystemthesimulationsofabovecontrollersandalgorithmsareperformedinthepaperandtheresultsdemonstratetheirv

14、aliditiesTheworkofthisP印erissupponedbytheNationalNaturalScienceFoundationofChinaKeyWords：Electricpowersystem，nonlinearcontrol，governorcontrol，speeddroopcharacteristic，secondaryactivepowercontrol，automaticgenerationcontro