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ID:31982155
大小:2.93 MB
页数:60页
时间:2019-01-30
《基于网络重构的配电网无功优化-研究》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、沈阳理工大学硕士学位论文Withtheconsistingdevelopmentofurbanconstruction,thenumberandscaleofloadsincitydistributionnetworkshavebeenincreasing,meanwhileusers’requirementsonthereliabilityandqualityofpowersupplyhavebeenimproving.Asthedistributionsystemislocatedtheterminalpartofthepowergri
2、dandisdirectlyconnectedtotheusers,SOitwouldbeveryimportanttokeepdistributionsystemssafeandeconomical.Networkreconfigurationandreactivepoweroptimizationaretwousefulmeasurestotheeconomicoperation.Thecharacterthatthedistributionnetworkisdesignedinclosedloopandoperatedinopenlo
3、op,SOthereisanoptimalnetworkofeachdistributionnetworkwhichhastheminimumpowerloss.ReactivepoweroptimizationmeanstomakeoutabestplanofthecapacitorsSOthatthenetworkhastheminimumpowerlossandachievethepurposeofeconomicoperation.Onthebasisoftwomajormeasurestoimproveeconomicoperat
4、ionofdistributionnetwork,amethodisputtingforwardwhichcombinesthetwomeasurestogethertoimprovetheeconomicoperationofnetwork.Basedontheidealnetworktopologythathasbeenprovedbynetworkrecordiguration,optimizedoperationhasbeenappliedtoprocessreactivepowercompensationoperationtoth
5、enetwork.Thispaperdescribesthestructuralcharacteristicsofthedistributionnetwork,andthenanalysisofthedistributionpowerflowcalculationmethodwhichisbasedonthestructuralcharacteristicsofthedistributionnetwork.Thepushbackonbehalfoftheformermethodischosenastheflowcalculationmeth
6、ods.Throughanalysisandcomparisonwitllthetraditionalmethodofreactivepoweroptimizationandartificialintelligencemethods,wechoseimmunegeneticalgorithmasOurbasealgorithm.Thetwomeasuresprocessonthesamenetwork,SOthatskillindexdataofsystemsuchasactivepowerloss,thenodevoltagevaluea
7、ndelectricenergyqualityaremuchbetterthanusingonlysingleoptimizationoperation,whichachievesthepurposeofimprovedtheeconomicoperationofthedistributionnetwork.Finally,astandard沈阳理工大学硕士学位论文exampleiscalculatedandthecalculationresultshowsthatthemethodinthispaperiseffective.Keywor
8、ds:economicoperation;networkrcconliguration;reactivepoweroptimization;immunegeneticalgori
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