基于改进粒子群优化算法的电力系统无功优化算法.研究

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1、太原理工大学硕士研究生学位论文RESEARCHONPOWERSYSTEMREACTIVEPOWEROPTIMIZATIONBASEDONIMPROVEDPARTICLESWARMOPTIMIZATIONABSTRACTReactivepoweroptimizationnotonlycanreducetheactivepowerloss，butalsokeepthegridundersecurity，reliabilityandeconomy．Reactivepoweroptimizationisatypicaln

2、on—linearprogrammingproblemwithmulti．controlvariables，multipleconstraintsconditionandSOon．Conventionaloptimizationalgorithmforsolvingsuchproblemshasgreaterlimitations，comparedtothat，intelligentoptimizationalgorithmshowaclearadvantage，thisthesisconductsindepth

3、analysisandresearchforPSO，startingfromdifferentpointofview，severalmethodsispresented．Firstly，frommomicconsideration，thisthesistakesminimizationoflrstlytromeconothisthesistakesthezatonof，activepowerlossasanobjectivefunction，establishreactivepoweroptimizationmo

4、delandproposeanimprovedadaptivechaoticparticleswarmoptimizationalgorithm(AC-PSO)．Intheinitializationoftheparticleswarm，thealgorithmintroduceschaoticideaandincreasethediversityofthepopulationofparticles，intheprocessoftheparticleswarmoptimization，thealgorithmus

5、eadaptivedynamicinertiaweightandlearningfactorstoimprovethelocalandglobalsearchabilityandgetbettersolutionquality．III太原理工大学硕士研究生学位论文Secondly，tofurtherenhancetheexplorationabilityofparticleswarmoptimizationalgorithminthesolutionspace，thisthesisproposetwoimprov

6、edalgorithmsstartfromtheperspectiveofvariation：heacceleratingfactoroftheparticleswarmoptimization(AF—PSO)andtherandomvariabilityoftheparticleswarmoptimization(RM-PSO)．Bysimulation，theperformanceoftwoalgorithmshavebeenanalyzedandcompared，atlast，usingreactivepo

7、weroptimizationcalculationverifythevalidityofthealgorithm．Finally，fromcomprehensiveconsiderationoftheeconomyandsecurity，thisthesistakeactivepowerlossminimum，theminimumvoltagedeviationandstaticvoltagestabilitymarginastheobjectivefunctionandestablishthefuzzymul

8、ti—objectivereactivepoweroptimizationmodel．Hybridoptimizationalgorithm-adaptivechaoticrandomvariationofparticleswarmoptimizationalgorithm(AC-RM-PSO)optimizationisproposedtosolvetheoptimiz