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时间:2020-03-28
《谐波分析与治理软件的开发与应用.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、16.23.o2需期PowerCapac电ito力r&电容Re器act与ive无P功ow补er偿CompensationVo01c.3t.220N1o1.5谐波分析与治理软件的开发与应用陈瑜,陶征,谭将军,李满堂,熊来红(1.湖州电力局,浙江湖州313000;2.武汉大学电气工程学院,湖北武汉430072)摘要:根据无源滤波器投资费用最小的原则,结合改进的网络固有结构法和谐波潮流解耦算法,基于MaⅡab和Delphi语言开发出一套谐波分析与治理软件。除一般的谐波分析功能外,软件还具有2个特色功能:运用改进的网络固有结构法来分析并联谐振和串联谐振,从而使系统谐振次数远离谐波源次数,避免谐
2、波谐振以及由此引起的谐波放大问题;基于网络固有结构法确定电网中各次谐波滤波器的最佳配置位置,并运用自适应差异进化算法对滤波器参数优化设计,使电网各节点的谐波指标能最大限度地满足国标要求,以达到抑制网络中各节点谐波畸变的目的。此外,还开发出界面友好、功能强大的图形编辑器,研制出电力系统谐波潮流分析及滤波器优化设计综合软件包。通过实际算例的计算和分析表明,所提出的方法正确有效,所研制的软件实用性强。关键词:谐波;无源滤波器;网络固有结构法;滤波器参数优化设计;自适应差异进化算法中图分类号:TM769文献标识码:A文章编号:1674.1757(2011)05-0016-06Developme
3、ntandApplicationofHarmonicAnalysisandManagementSoftwareinPowerSystemCHENYu‘,TAOZheng,TANJiang~un,LIMan—tang,XIONGLai.hong(1.HuzhouElectricalPowerBureau,Huzhou31300China;2.SchoolofElectricalEngineering,WuhanUniversity,Wuhan430072,China)Abstract:Accordingtotheprincipleofaminimuminvestmentcostofpas
4、sivefilterandcombiningtheimprovedinherentstructureofnetworkwiththeharmonicflowalgorithm,aharmonicanalysisandmanagementsoftwarebasedonMatlabandDelphilanguageisdeveloped.Thesoftware,inaddi-tiontogeneralharmonicanalysisfunction,alsohastwospecialfunctions:analysisofparallelandseriesresonancewiththei
5、mprovedinherentstructureofnetwork,SOtokeepresonancenumbersofsystemfarawayfromthenumberofharmonicsources,toavoidharmonicresonanceandharmonicamplification;theoptimalallocationpositionofeachclassofharmonicfilterbasedontheinherentstructureofnetworkisdetermined,theratingsoffilterissubjecttooptimaldes
6、ignbytheuseofa-daptivedifferentialevolutionalgorithmSOtokeepharmonicindexofeachnodeofthenetworkmeetasmuchaspossiblethenationalstandardrequirementandreachthepurposeofsuppressingharmon—icdistortionofeachnodeofthepowergrid.Inaddition,graphicseditorwithfriendlyinterfaceandpowerfulfunctionandalsointe
7、gratedsoftwarepackageofthepowersystemharmonicpowerflowa—nalysisandoptimizationfilterdesignaredeveloped.Itisshownthroughpracticalexampleofcalcula—tionandanalysisthattheproposedmethodiscorrectandeffectiveandthedevelopmentsoftw
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