电力系统动态无功优化分析

电力系统动态无功优化分析

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时间:2018-12-02

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1、-------电力系统动态无功优化分析AbstractReactivepoweroptimizationisaneffectivemethodtoensurepowerquality,ensurethat thesystemissafeandreliable,qualityeconomicpowerhasaveryimportantsignificance. ReactivepoweroptimizationanalysisofdynamicforPowersystemdoesareal-timereactive poweroptimizationofschedul

2、ingperiodsystem,byadjustingtheoutputofthegeneratorset, changingtransformertaps,determinningthereasonablecapacityandreasonablelocationof reactivepowercompensation,toensurethevoltagelevelofthesystem,tominimizesystem networklossandimprovetheeconomicsofpowersupply.Thispaperconsideringthesp

3、atialandtemporalcouplingofcompensationequipment actionnumbersandthecharacteristicsofLoadofeachnodeinthesystemreal-timedynamic changes,detailedanalysistherelatedissuesofreactivepoweroptimizationofdynamic,take theminimumpowerlossinpowersystemastheobjectivefunction,establishthemathematica

4、l modelofreactivepoweroptimizationofdynamic;Expoundthetheoryofthebasicgenetic algorithmandItsadvantagesanddisadvantages,anddoesacorresponding improvement;introduceaimprovedmethodofdynamicoptimization,dividedayload forecastingcurveinto24segments,useLagrangemeanvaluetheoremtoobtainthe co

5、mputationalloadofeachperiod,anddoesnormalizationprocessofeachsectionload,to drawloadforecastingcurvesegmenthistogram;Andthentakeadvantageoftheimproved geneticalgorithmoneachparagraphstaticreactivepoweroptimizationcalculation,obtainper segmentreactivepowercompensationcapacityandactionva

6、lueofcontrolequipment, considertheconstraintofthecontrolequipmentactionnumber,preliminarydeterminethe actionscheduleofcontrolequipment.Theninensuringthefirstparagraphoptimalcase, conductdynamicoptimizationoftheeachfollow-upperiod,basedonthedifferencebetween thecontrolequipmentofeachper

7、iodtore-adjusttheactionschedule.Finally,inordertomeet theelectricitysysteminthelargeloadhassufficientamountofreactivepowercompensation, inthispaper,usingtheloadfactortore-adjusttheactionschedule,reallocatemovement scheduleofcontroldevice,reachtooptimizethewholesystem.Inthispaper,taki

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