地区电网DTS及继电保护仿真的研究

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1、本课题主要研究内容为地区电网DTS及其继电保护仿真。论文首先对地调DTS的特点进行了综合分析，设计了基于SCADAEMS/DTS一体化平台的DTS硬件和软件体系结构。然后重点研究了DTS中继电保护仿真的几个关键问题:设计了保护仿真的通用模型和数据结构:提出了“保护树”的方法来提高仿真实时性这一难题;并在此方法的基础上开发了逻辑判别法和定值判别法的仿真程序。测试结果证明，本课题开发的继电保护模型具有良好的扩展性和灵活性，仿真结果快速、准确，达到了继电保护仿真的各项要求。关键词:调度员培训仿真，地区电网，定值判

2、别法，逻辑判别法，保护树ABSTRACTThispapermainlyresearchonDTSinlocalgridandsimulationofrelayprotectionFirstlythecharacteristicofDTSinlocalgridisanalyzedandthesystemofDTSincludinghardwareandsoftwarebasedonSCADA/EMS/DTSisdesigned.Secondlythispaperworksoverseveralkeyissue

3、sofsimulationofrelayprotectionoAndthengeneralrelaymodelanddatastructurearedesignedToresolvetherealtimeproblemofsimulation,themethodofrelaytreeisputforward.Bythismeanswedeveloptheprogramoflogicalcomparisonandquantitativecomparison.Itprovestobeofgoodexpansib

4、ilityandagilitybyexperiment.Theresultofsimulationisfastandaccurate,whichreachestherequirementofrelayprotectionsimulationLiLin(PowerSystemandAutomation)Directedbyprof.QinLijunKEYWORDS:dispatchertrainingsimulator,localgrid,quantitativecomparison,logicalcompa

5、rison,relaytree本课题主要研究内容为地区电网DTS及其继电保护仿真。论文首先对地调DTS的特点进行了综合分析，设计了基于SCADA/EMS/DTS一体化平台的DTS硬件和软件体系结构。然后重点研究了DTS中继电保护仿真的几个关键问题:设计了保护仿真的通用模型和数据结构:提出了“保护树”的方法来提高仿真实时性这一难题;并在此方法的基础上开发了逻辑判别法和定值判别法的仿真程序。测试结果证明，本课题开发的继电保护模型具有良好的扩展性和灵活性，仿真结果快速、准确，达到了继电保护仿真的各项要求。关键词:

6、调度员培训仿真，地区电网，定值判别法，逻辑判别法，保护树ABSTRACTThispapermainlyresearchonDTSinlocalgridandsimulationofrelayprotection.FirstlythecharacteristicofDTSinlocalgridisanalyzedandthesystemofDTSincludinghardwareandsoftwarebasedonSCADA/EMS/DTSisdesigned.Secondlythispaperworksov

7、erseveralkeyissuesofsimulationofrelayprotection。AndthengeneralrelaymodelanddatastructurearedesignedToresolvetherealtimeproblemo#simulation,themethodofrelaytreeisputforward.Bythismeanswedeveloptheprogramoflogicalcomparisonandquantitativecomparison.Itprovest

8、obeofgoodexpansibilityandagilitybyexperiment.Theresultofsimulationisfastandaccurate,whichreaches,therequirementofrelayprotectionsimulation.LiLin(PowerSystemandAutomation)Directedbyprof.QinLijunKEYWORDS:dispat