分布式继电保护信息系统数据处理与拓扑分析分析

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1、analysis．ImplementedtheRelayProtectionDataExchangeStandardofPowerSystembyXMLtechnology,putputforwardasystemofdataexchangetosharedatumbclwcendifferentE011e$anddifferentdepartments．Thispaperputemphasesonthoseaspectsasfollows．Atfirst,Westudied011theRelayProtectionDataExchangeStandardofPowerSystemO

2、nXMLformat．BasedOnthestudiesofpowersystemmodel，WCimprovedandimplementedthestandard,anddesignedaXMLdocumentofstructuredformattocontainrelayprotectiondataandputfon旧rdasystemofdataexchange．ByutilizingⅪ_Ⅱ?sfeatureofindependenceandseparationbclwl壕nthecontentandrepresentationofafile,thedatacouldbeexc

3、hangedeffectivelybetweendifferentapplicationsandsystems．Anditcouldbedescribedindifferentformatsaccordingtodifferentusefdemands．haddition,weprovidedSOmlemethodstomanipulatetheXMLdocumentbyc群programminglanguage．Then,WeestablisheddatabasemodelingbyUML．ThecombinationofUMLwiththerelationaldatab粼faei

4、liatedthedesignofrelationaldatabase．ThemappingstrategiesofUMLclassestotablesandtherealizationofseveralrelationsbetweenclassesintherelationaldatabaseaccomplishedthetransformationfromtheclassmodeintheUMLtothedatamodeintherelationaldatabase．ByutilizingADO,NETandXIVlLWebseⅣices，thesemethodsofdataat

5、3ce$swereprovidedasawebservicetotheup—layerapplications．Thecomponentswhichwasembededinthegraphicalinterfacesextendthemcall$ofdataeXplfe$$anddatamanagement．Thelastemphasesisthetopologyanalysisofwiringdiagram．Thetopologyanalysisapplicationsaimsatthenodenumberandthebranchnumberofbothpositivesequen

6、cenetworkandZeI'Osequence：networkandbuildacorrespondingbetweenthem．§l《Keywords：XlvlLUMLWebServicesdataar．．,ccs$databasemodelingComponentBasedDevelopmenttopologyanalysis四Jrl大学硕士学位论文(2006)1绪论1．1课题研究目的及背景电力系统的迅速发展，电网的规模日益扩大、结构更加复杂，对电力部门的日常运行管理工作提出了更高的要求，每一个电力部门都必须在保障整个电网可靠运营的前提下开展自己的工作，同时还必须与电网中其他

7、部门相互配合协调。这就迫切要求电力系统中各个部门实现全面的微机化、网络化及自动化系统集成管理。继电保护部门作为保障电力系统安全、稳定运行的重要部门，其日常工作涉及如设备台帐、装置定值计算及设置、绘制系统网络接线图、试验报告及统计分析数据、与系统其他部门进行数据交换等。其工作责任重大、任务繁多，任何～个环节的差错都可能对整个系统的安全稳定造成重大影响。继电保护工作人员每天都要面对诸如电网结构、保护配置、定值整定、设备的投切、运行方式的改变、各种故障情况的处理