非线性控制在电力系统中的应用3

3(,510640):,.,.:;;;;;:ANonlinearControlandItsApplicationsinPowerSystemWUJieandLIUMing(ElectricPowerCollege,SouthChinaUniversityofTechnologyGuangzhou,510640,P.R.China)Abstract:Thispapergivesabriefintroductionofthebasicelementsofnonlineartechnologies.Combiningthemwiththecharactersofpowersystems,somedetailapplicationsofnonlinearcontrolinpowersystemarealsopresented.Atlast,thetrendsofnonlinearcontrolinpowersystemarepointedout.Keywords:powersystem;nonlinearcontrol;hybridcontrol;chaos;bifurcation;feedbacklinearization1(Introduction),.,..[1]:;;;.,.:,,[2].,[3,4],.,.,,H.,.,,.2(Modelsofpowersystem):,,,..:(),;;...,,.,.I(E,U)=YU.Y,I,EU..,,,,.,[5].[6],[7].,,,.[810].,3:(1998020308).:2000-10-12;:2001-04-24.19120022CONTROLTHEORYANDAPPLICATIONSVo1.19No.1Feb.2002:1000-8152(2002)01-0015-08©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved..,,,[11].,:ÛX(t)=f(X(t))+mi=1gi(X(t))ui(t),Y(t)=h(X).(2.1)X,giRn,h(X)Rm,,ui(i=1,,m).,,,:Ûx=f(x,y,p),(2.2)0=g(x,y,p).(2.3),x,,,(212),y,,(213),(212)y.p,,.,SCADA,.SCADA;,.,..,.3(Lyapunovmethod),(),.,,.,,.SMIB,-,[12].,,[13],.,[14].[15]:PSS(powersystemstabilizer).,,,..,,.,.4(Differentialmethod),,..SISO,rn,,,.r,,.[16].,,,,.,,.,[17]LQ;,[18]ITAE,,.[8].,,,.,,,.5(Directfeedbacklineariza2tion),,,.:y(n)+an-1y(n-1)++a1y(1)+a0y=f(y(n-1),,y(1),y,u(m),,u(1),u,t).(5.1)nm,r=n-m.v(t)=f(y(n-1),,y(1),y,u(m),,u(1),u,t),(5.2)y(n)+an-1y(n-1)++a1y(1)+a0y=v(t).(5.3).,v(t),(5.2)u(t);,1619©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.u(t),.,5f5u(m)(Y0,U0)0,[Y0,U0],(5.2)u(m)=g(y(n-1),,y(1),y,u(m-1),,u(1),u,t).(5.4)(5.4).MIMO,[19].DFL,,,[20][8],.AVR(automaticvoltageregulator),PSS.,.,,DFL.,,[21].SISO,DFL,,MIMO,.6(Inversesystemmethod),,.,,,,.:;.[22].SMIB,[23],,ITAE,LOEC,.DFL,,.,[24].7(Variablestructurecontrol),Ûx=f(x,u,t),xRn,uRm,tR.s(x),sRm,ui(x)=u+i(x),si(x)0,u-i(x),si(x)0,u+i(x)u-i(x),1):S;2),,.[25].,.[26]SMIB,,,,.,,[27].[28],,,,,.,[27].,.,,,[29].8H(NonlinearHcontrol)H,.H:,,,,H,L2,,,HJI(HamiltonJaccobilssacs).(LFC),RANK-ONE,;,[30,31].,[32]DFL,;[33]SMIBDFL,,;[34],,;SVC,,SVC[35].HHJI.,[36]SMIB.,0.10.8Hz,,[37]HJQH.9(Adaptivecontrol)117©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,:,;/,.,,.,,,[38].,[39].TCSC,.[40],LQR.,,.,,,,,,[41].TCSC,,,[42].,,[43].SMIB,,[44]TCSC,.,,,[45].,,;,,,.10(Bifurcationandstructurestability),,,,,.;...,,.[46]AVR,..,[47],[48].[49],,HOPF,,,,.,,,,,,AVR,Hopf[50].,.,.,[51].[52],,..,Hopf,[53][54],.,(FACT),.11(Chaosanditscontrol),,,,,,,,,(),,.,,,,,.,.OGY,.,,1819©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,.[55].,SMIB,[56].,,[57].,Amold[58].,,,,,,.,,[59].[60],.12(Hybridcontrol)[61].,.DES(discreteeventsys2tem),,DES,DES.[62],,,,.,;,,Petrinet(PN),,,.,.,[63].,[64],,[65],PN,..,,,,.,,,[66],[67]..[68].[69],,,,,.13(Conclusionsandvista),,,.,.,,,,,.,.,.,.,,,.,,,.,,,.,,,EMS/DMS,[70].,,,.,,[71],,;,.(References)[1]HillJ.Specialissueonnonlinearphenomenainpowersystems:The2oryandpracticalimplications[J].ProceedingsoftheIEEE,1995,83(11):1439-1441[2]HiskensIA.Analysistoolsforpowersystems-contendingwithnon2linearities[J].ProceedingsoftheIEEE,1995,83(11):1573-1587[3]WuJie,LiuYongqiangandChenWei.Theapplicationofmoderncontroltechniquesinpowersystemcontrol(I)[J].Proceedingsof119©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.ChineseSocietyforElectricalEngineering,1998,18(6):377-382(inChinese)[4]WuJie,ChenWeiandLiuYongqiang.Theapplicationofmoderncontroltechniquesinpowersystemcontrol(II)[J].ProceedingsofChineseSocietyforElectricalEngineering,1998,18(6):383-387(inChinese)[5]WuJie,YangJinmingandXueFeng.TheapplicationsofmoderncontroltechniquesinACdrives[J].ControlTheoryandApplica2tions,1999,16(Suppl.):73-81[6]CutsemTVandVournasC.VoltageStabilityofElectricPowerSys2tems[M].London:KluwerAcademicPublishers,1998[7]OpreaLandVelicescuC.Modelingnonlinearfrequencydependenttransmissionlineforelectromagneticstudiesinpowersystems[A].ProceedingsoftheMediterraneanElectro-technicalConference[C],Bari,Italy,1996,798-801[8]LuQiangandSunYuanszhang.NonlinerControlofPowerSystem[M].Beijing:SciencePress,1993(inChinese)[9]LiuMingjian,WuJieandXueFeng.Anoverviewofcontroltheoriesinpowerelectronics[J].ControlTheoryandApplications,1999,16(4):470-473(inChinese)[10]LiuMingjian,WuJieandXueFeng.Anoverviewofcontroltheo2riesinpowerelectronics[J].ControlTheoryandApplications,1999,16(5):630-633(inChinese)[11]YuYixinandWangChengshan.TheoryandMethodofPowerSys2temStability[M].Beijing:SciencePress,1999(inChinese)[12]LiaoTeh-Lu.Designofanadaptivenonlinearcontrollertoimprovestabilizationofapowersystem[J].ElectricalPowerandEnergySystem,1992,21(6):433-441[13]AimFrancisOKOU,OuassimaAKHRIFandLouis-ADESSAINT,etal.Nonlinearcontrolofnon-minimumphasesystems:Applicationtothevoltageandspeedregulationofpowersystem[A].Proceed2ingsofIEEE1999Int.ConferenceonControlApplication[C],Hawaii,USA,1999,609-615[14]LiuGuoxian,LinXiaoshuandYangQixun.Studyofexcitationcon2trolundertransientconditionsformultimachinepowersystemsbasedonenergyfunction[J].ProceedingsofChineseSocietyforElectri2calEngineering,1997,17(4):264-268