考慮運行電抗情況下電弧爐供電曲線的優(yōu)化

1、東北大學碩士學位論文考慮運行電抗情況下電弧爐供電曲線的優(yōu)化姓名：馬震宇申請學位級別：碩士專業(yè)：控制理論與控制工程指導教師：毛志忠20070201東北大學碩士學位論文AbstractTheOptimizationofPowerCurveofElectricArcFurnaceConsideringtheOperatingReactanceAbstractNowadays，ElectricArcFurnace(EAF)hasbecomeon

2、eofthemostimportantsteelmakingeqmpmentsinthefieldofmetallurgyBeginning謝111theequipmentstechnicsandhistoryofEAFsteelmaking，thepapermakesemphasesoilintroducingtheelectriccharacteristicofhigh—impedanceUHPEAFandexpoundsthene

3、cessityofresearchonpowersupplystrategyunderunbalancedconditionbased01“1agreatnumberofdocumentsThepaperdealswiththestudyofpowersupplysystemofhi曲一impedanceUHPEAFSynthesizingmechanismdeductionandstatisticalmodeling，anonline

4、aroperatingreactancemodelisestablishedbyhybridmodelingapproachHighenergyconsumptionisallimportantfactorforrestrictingthedevelopmentofEAFSOareasonablepowersupplystrategyplaysakeyroleinsolvingtheproblemAfteranalyzingthedef

5、ectofconventionalmethodsandquotingthenewoperatingreactancemodel，stagedoptimalmodelandintegratedoptimalmodelforpowersupplyofEAFareestablishedonthebaseofconsideringenergyconsumptiondurationofheatandsmeltingprocesssynthetic

6、allyAccordingtothecharacteristicofstagedoptimalmodel，GeneticAlgorithmsisintroducedandadoptedtoSOlvetheproblem。ConsideringthecharacteristicofintegratedoptimalmodelanImprovedGeneticAlgorithmsisadoptedtogetareasonableresult

7、TheoptimalresultprovesthatnewoptimalmodelforpowersupplyofEAFaccords、柝tllpracticeandCansolvetheproblemsofselectingworkvoltage，selectingworkreactanceandunbalancedarcpowereffectively‘Finallyaccordingtoactualconditionofsome4

8、0一Tonhigh—impedanceUHPEAFapowercorveunderthree—phaseunbalancedconditionisworkedoutbasedOiltheoptimizedrcsuRofintegratedpowersupplymodelKeywords：ElectricArcFurnace；operatingreactance；optimalmodel；GeneticAlgorithms；powercu