电能质量综合评估方法-.研究与系统开发

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1、硕士学位论文AbstractWiththerapiddevelopmentofthenationaleconomy，scienceandtechnology，theharmofthepowerqualitypollutiontoeachindustryisincreasinglyserious．ThepowerqualityanditsevaluationhavebecomeoneofthetopicswhichpowerSectorsandpowerusersaremostconcernedabout．Severalindicatorsandtheirorgani

2、cintegrationcanbeusedtoevaluatepowerquality，andthecomprehensiveevaluationcanreflecttheoverallconditionofpowerquality,thusinfavorofestablishingafairandimpartialelectricpowermarket．Thispapersummarizesthemeaningofpowerqualityandthedefinitionsandstandardsofeachindicator，andintroducestheres

3、earchesontheevaluationofpowerqualityathomeandabroadThecommonlyusedmethodsfortheevaluationofpowerqualityanditscharacteristicsareanalyzedandcomparedThispaperappliesmatterelementanalysistheorytotheevaluationofpowerqualityByusingmatterelementandcorrelationfunctiontheoryinExtenics，buildthem

4、atterelementmodelfortheevaluationofpowerquality．QuantifytherelationshipbetweentheevaluationintervalandtheamounttobeevaluatedSOastomakeitformanincidencematrix；severalmethods(analytichierarchyprocess，G1method，Delphimethod，PrecedenceChartmethod，Entropymethod，etc．)andintegratedweightmethod

5、andcombiningweightsmethodforweighingeachindicatorofpowerqualityaredeterminedinthiSstudy．Acomprehensiveevaluationmethodforpowerquality，whichistocombinetheintegratedweightmethodandmatterelementanalysismethodisproposed．Basedontheproposedcomprehensivemethodfortheevaluationofpowerquality，ap

6、plythepowerqualityparametrictestdataandotherrelevantnationalstandardsforpowerquality；evaluatetheactualpowerqualityandanalyzetheevaluationresults．Theanalysisresultsshowthatapplyingthesemethodsproposedinthispaperforthecomprehensiveevaluationofpowerqualitycanreflecttherealconditionofthepo

7、werqualityinpowergrid．Theresultsofcomprehensiveevaluationaremoreobjective，accurateandreasonable．Finally，acomprehensiveevaluationsystemforpowerqualityisdevelopedbasedonLabVIEW—avirtualinstrumentdevelopmentplatform．KeyWords：Powerquality，Extenics，Comprehensiveevaluation，Integratedweight