A neural network based optimal wide area control scheme for

《A neural network based optimal wide area control scheme for 》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、ANeuralNetworkbasedOptimalWideAreaControlSchemeforaPowerSystemGaneshK.Venayagamoorthy,SeniorMember,IEEEandSwaksharRay,StudentMember,IEEEReal-TimePowerandIntelligentSystemsLaboratoryDepartmentofElectricalandComputerEngineeringUniversityofMissouri-Rolla,MO65409-0249USAgkumar@ieee.orga

2、ndsr8r8@umr.eduAbstract—Withderegulationofthepowerindustry,manytie(WACS)isproposed[1,2].TheWACScoordinatesthelinesbetweencontrolareasaredriventooperateneartheiractionsofthedistributedagentsbyforexampleusingSCADAmaximumcapacity,especiallythoseservingheavyloadcenters.(SupervisoryContr

3、olAndDataAcquisition),PMU(PhasorWideareacontrolsystems(WACSs)usingwide-areaorglobalMeasurementUnit)orotherwide-areadynamicinformationsignalscanprovideremoteauxiliarycontrolsignalstolocal[2,3].TheWACSreceivesinformation/dataofdifferentareascontrollerssuchasautomaticvoltageregulators,

4、powersysteminthepowersystemandbasedonsomepredefinedobjectivestabilizers,etctodampoutinter-areaoscillations.ThispaperpresentsthedesignandtheDSPimplementationofanonlinearfunctions,sendsappropriatecontrol/feedbacksignalstotheoptimalwideareacontrollerbasedonadaptivecriticdesignsanddistr

5、ibutedagentsinthepowernetworktoenhancethesystemneuralnetworksforapowersystemontheReal-TimeDigitaldynamicperformance[2,4].®Simulator(RTDS).TheperformanceoftheWACSasapowerThemajormotivationtohaveawideareamonitoringandsystemstabilityagentisstudiedusingtheKundur’stwoareapowersystemexamp

6、le.TheWACSprovidesbetterdampingofcontrolschemeisforthefollowingbenefits:1).Transmissionpowersystemoscillationsundersmallandlargedisturbancescapacityenhancementcanbeachievedbyon-linemonitoringevenwiththeinclusionoflocalpowersystemstabilizers.ofthesystemstabilitylimitsandcapabilities;

7、2).PowersystemreinforcementbasedonfeedbackobtainedduringKeywords-wideareacontrol;neuralnetworks;heuristicanalysisofsystemdynamics;3).Introductionofacoordinated®dynamicprogramming;real-timedigitalsimulator(RTDS);DSPapproachfortheexecutionofstabilizingactionsincaseofimplementation;pow

8、ersystemstability;o