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《基于 PSR 模型的电网基础设施脆弱性评估方法研究-论文.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、第10卷第8期中国安全生产科学技术Vo1.1ONO.82014年8月JournalofSafetyScienceandTechnologyAug.2014文章编号:1673—193X(2014)一08—0169—06基于PSR模型的电网基础设施脆弱性评估方法研究:}:门永生,于振,朱朝阳,吴睦远,何真珍(1.中国电力科学研究院,北京100192;2.国家电网上海市电力公司,上海200122)摘要:当前我国电力系统安全性评估主要是针对电力系统本身建模和故障分析计算,而对电网基础设施的脆弱性评估目前还没有公认的定义和统一标准。针对电网基础设施,在研究不同领域脆弱性概念的基础上,给
2、出了电网基础设施脆弱性的定义,并在分析比较电网领域及城市基础设施领域脆弱性评估方法的基础上,提出了基于PSR模型的电网基础设施脆弱性评估方法及思路,以某500kV变电站为例,进行脆弱性评估方法的实例验证,通过模型分析计算得出脆弱性指数,并依据标准判定其脆弱性等级为较轻。该方法的研究可为电网基础设施脆弱性评估提供重要的理论基础,可有效指导电网基础设施脆弱性评估工作的开展。关键词:电网基础设施;变电站;脆弱性;评估;PSR模型中图分类号:X921文献标志码:Adoi:10.11731/j.issn.1673—193x.2014.08.030Researchonvulnerabil
3、ityassessmentmethodofpowergridinfrastructuresbasedonPSRmodelMENYong—sheng,YUZhen,ZHUChao.yang,WUMu—yuan,HEZhen.zhen(1.ChinaElectricPowerResearchInstitute,Beijing100192,China;2.StateGridShanghaiMunicipalElectricPowerCompany,Shanghai200122,China)Abstract:SafetyassessmentofpowersysteminChinaha
4、sbeenlongfocusedonnetworkmodelingandfailureanal—ysis.Vulnerabilityassessmentforimportantpowerinfrastructuresisanewconceptappearedinrecentyears.TherearenounanimousdefinitionandnoriTltocarryoutevaluation.Inthispaper,apreciseconceptO13vulnerabilityofpowerinfrastructureswasdefinedfirstlybasedon
5、theanalysisonvulnerabilityinvariousfields.Then,severalmethodsofvulnerabilityassessmentinthefieldofpowergridandurbaninfrastructurewerecompared.Atlast,as—cordingtotheconcentrationandrequirement,theframeworkofvulnerabilityassessmentforelectricpowerinfra—structuresbasedonPSR(Pressure—Status—Res
6、ponse)modelwasproposed,andthen,takinga500kVtransformersubstationforexample,theeaseverificationofvulnerabilityassessmentswasconducted.Thevulnerabilityindexwascalculatedbythemodel,anditslevelofvulnerabilitywasdeterminedtobelightbasedoncriteria.Themethodprovidestheoreticguideforpromotionanddev
7、elopmentofinfrastructurevulnerabilityassessmentinelectricpowersystem,andcanguidethevulnerabilityassessmentofpowergridinfrastructureeffectively.Keywords:powergridinfrastructures;transformersubstation;vulnerability;assessment;PSRmodel收稿日期:2014—02—24通讯作者:门永
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