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1、摘要【通顺的原文和英文如下两页:】作为智能电网的组成环节,智能变电站在状态监测、故障检测与控制方面起到重要的作用。Asapartofthesmartgrid,smartsubstationhasplayedanimportantroleinconditionmonitoring,faultdetectionandcontrol.在以IEC61850为基础的智能变电站中,网络传输过程层、间隔层及其之间联系的二次回路信号代替了传统的电缆信号;InaIEC61850-basedintelligentsubstation,thetraditionalwiredsignalisreplacedbysi
2、gnalsofthesecondarycircuit,whichcomefromtheprocesslevelofnetworktransmissionandbaylevel;为了有区别于传统变电站的屏端子接线,智能变电站给出了虚端子的设计概念。Inordertobedistinguishedfromtheconnectionofpanelterminal,intelligentsubstationgivesthedesignconceptofvirtualterminals.目前,各设计院采用虚端子表文件(Excel)定义和设计虚端子信息,Atpresent,thedesigninstit
3、uteusesdocumentofvirtualterminal(akindofexcel)todefineanddesigntheinformationofvirtualterminal;但是它们的格式各异,很大程度上影响了设计人员设计意图的准确表达及测试人员对其理解与测试工作。Butthosedocumentshavedifferentformats,whichgreatlyinfluencesthedesigners’accuratelyexpressingtheirintentionsoftheprojectandthetesters’understandingofthemandth
4、eirtestingwork.现阶段及相当长的一段时间,虚端子设计既有相似性又有差异性,较难实现所有虚端子的完全统一。Atpresent,eveninquitealongtime,thedesignofdifferentvirtuENalterminalhassimilarityanddiversitysimultaneously,whichisdifficulttoachievethecompletereunificationofallvirtualterminals.因此需要设计一种合理的虚端子规范提供给设计院和厂家参考,并开发虚端子表规范化转换软件,方便设计院及联调工作人员查看不同格式
5、的虚端子表。Therefor,weneedtodesignareasonableandnormativevirtualterminal,whichisprovidedforthedesigninginstituteandthecompanytoreference.Andwealsoneedtodevelopasoftwarefortransformingvirtualterminaltoastandardizedone,whichwillgivedesigninginstituteandrelatedpersonnelagreatconveniencetoreadthevirtualterm
6、inal.本文首先简单阐述了智能变电站的现状、发展和虚端子表文件的研究现状、意义;Firstly,thisthesisbrieflydescribesthestatus,developmentoftheintelligentsubstationandtheresearchstatus,objectiveofthevirtualterminaldocuments,接着把IEC61850标准及与虚端子有关的概念进行了简要的介绍。andthenconciselyintroducestherelatedconceptofIEC61850standardandvirtualterminal.其次,本文
7、对已有的几种格式的虚端子表文件(高山虚端子表、扎窝虚端子表等)的结构进行了详细的分析。Secondly,thestructuresofseverkindsofexistingvirtualterminalsuchas(virtualterminalexcelinGaoShan,virtualterminalexcelinZaWo,etc.)aredetailedanalysisedinthethesis.通过