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(xué)號：鱧鯪殛東南大學(xué)碩士學(xué)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(dǎo)師姓名：王勤副塾授越盤史夔攫一、申請學(xué)位級別一一亟論文提交日期一至鯉魚堡魚旦!三旦學(xué)位授予單位塞宣太堂答辯委員會主席垂匡叁學(xué)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(xué)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