基于云模型的含微网配电系统的电能质量综合评估

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1、万方数据华北电力大学硕士学位论文AbstractDrivenbytheintensifyingenergyproblemcrisisandtheencouragingpolicyofenergyconservationandemissionsreduction，thecombinationprocessoftraditionalgridandmicro-酣dhasspedupwhiletheimportanceofmicro-gridisincreasing．Meanwhile，thepowermarketmakesitsownbreakthrough，i

2、nthisway,thecomprehensiveevaluationofpowerqualitywouldplayamoreandmoreimportantrole．Inthispaper,afterdescribingtheconceptionofpowerquality,ascientificdivision011eachpowerqualityindicatorshasbeenmadetoestablishacomprehensiveevaluationpowerqualitysystem．Then，thispaperlaysemphasisona

3、nalyzingthedifferencesofpowerqualitybetweendistributionsystemwithmicrogridsandtraditionalgridafterthebriefdescriptionofmicro—grid，studyingtheinfluenceonthepowerqualityduetothedistributionsystem．Andanewpowerqualitycomprehensiveassessmentmethodofdistributionsystemwithmicrogridsbased

4、oncloudmodelhasbeenproposed．Inthisapproach，takingboththesubjectiveandobjectivefactorsintoconsideration，theimprovedmulti—levelinteractivedecision-makingmode，whichiscombinedwiththecharacteristicsofdistributionsystemwithmicrogrids，ischosentodeterminetheweightsofdifferentindexesinorde

5、rtoguaranteethecorrectnessandscientificity．Standardnormalcloudmodelisadoptedtodealwiththerandomnes。sandfuzzinessofpowerqualitycomprehensiveassessmentindicators，throughquantifyingqualitativeindicators．Afterproposedthisnewmethod，theresultsofonetypicalcaseinthispaper,showtheeffective

6、nessandsuperiorityoftheproposedapproach．Keywords：cloudmodel，microgrids，powerquality,comprehensiveevaluationIl万方数据华北电力大学硕士学位论文目录摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．IAbstract．⋯．⋯．⋯⋯．⋯⋯．．⋯．⋯⋯⋯⋯⋯⋯⋯⋯．⋯⋯．⋯．⋯．⋯．．⋯．⋯⋯．⋯⋯．．⋯．⋯⋯⋯．⋯⋯．⋯⋯⋯．．．II目录⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．1第1章绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯

7、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．31．1研究背景及意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．31．2国内外研究现状分析⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯41．2．1电能质量分析⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯41．2．2电能质量综合评估研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯51．3本文研究内容⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯7第2章电能质量综合评估指标体系⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯92．1单相电能质量综合评估指标⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯92．1．1电

8、压偏差⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯92．1