资源描述:
《Reactive power and voltage control of the Nigerian grid syst》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、1ReactivePowerandVoltageControloftheNigerianGridSystemUsingMicro-GeneticAlgorithmG.A.Bakare,Member,IEEE,G.K.Venayagamoorthy,SeniorMember,IEEE,andU.O.Aliyu,Member,IEEEresultnotonlythevoltageprofilesarekeptwithinthedesiredAbstract--Inthispaper,amicro-geneticbasedapproachtothelimitsbutalsothepowerlos
2、sesarereduced.optimizationofreactivepowerandvoltageprofilesimprovementOvertheyears,manyusefulstudies[1-3]basedonclassicalandrealpowerlossminimizationispresented.Thereactivetechniquesforsolvingreactivepowerdispatchproblemhavepowercontroldevicessuchasgenerators,tappositionsofon-loadbeencarriedout.Th
3、isincludesnonlinearprogrammingtapchangeroftransformers,shuntreactorsareusedtocorrect(NLP),successivelinearprogramming,mixedintegervoltagelimitsviolationswhilesimultaneouslyreducingthesystemprogramming,Newtonandquadratictechniques.Mostofrealpowerlosses.GeneticAlgorithms(GAs)arewell-knowntheseapproa
4、chescanbebroadlycategorizedasconstrainedglobalsearchtechniquesanchoredonthemechanismsofnaturaloptimizationtechniques.selectionandgenetics.BecauseofthetimeintensivenatureoftheconventionalGA,themicro-GAisproposedasamoretimeEventhoughthesetechniqueshavebeensuccessfullyefficientalternative.Thefeasibil
5、ityandeffectivenessoftheutilizedinsomesamplepowersystems,therearestillseveraldevelopedalgorithmistestedandverifiedontheNigeriangridissuestobeaddressedwithregardtorealpowersystems.powersystemforthreecasestudiesscenariospresetinthepowerUndoubtedly,thereactivepowercontrolproblemisworldsimulator.Thefa
6、r-reachingsimulationresultsthatvalidateessentiallyaglobaloptimizationwithseverallocalminima.theeffectivenessofthedevelopedtoolarepresentedandThefirstobviousproblemiswherealocalminimumisdiscussedindepth.returnedinsteadofauniqueglobalminimum.Theseconddifficultyistheinherentintegernatureoftheproblem.
7、MostIndexTerms--Voltage/reactivepowercontrol,micro-geneticcontroldevices(transformertappositions,shuntcapacitorandalgorithm,varyingfitnessfunction,Nigeriangrid.reactorbanks)havepre-specifieddiscretevalues.Thusnom