基于网络重构的配电网无功优化-研究

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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