電力通信網(wǎng)可靠性研究.pdf

1、華北電力大學（保定）博士學位論文電力通信網(wǎng)可靠性研究姓名：高會生申請學位級別：博士專業(yè)：電工理論與新技術(shù)指導教師：苑津莎20090401AbstractPowetcommunicationnetworkisaprivatecommunicationnetworkforpowersystemIthashighrequirementsofreal—time，reliability，andsecurityinservicesThereliab

2、ilityofDowercommuIlicationnetworkisoneofthemostimportantfactorsinfluencingsecurityandstabilityofpowersystemIttakesanimportantroleinperformanceevaluationandmanagementassessmentofthepowersystemsInpowercommunicationnetworkp

3、lanning，reliabilityisakeyconstraintComparedtopubliccommunicationnetwork，reliabilityresearchofDowercommunicationnetworklagsbehindrelativelyOnthebasisoftheanalysisforpowercommmlicationnetworkreliabilityrequirements，establi

4、shingallobjectiveandaccuratereliabilitymodel，proposingcomprehensiveevaluationmethodcorrespondingtothecharacteristicofpowercommunicationnetworkreliability，aremainresearchtopicsThestructureandservicestypesofpowercommunicat

5、ionnetworkareanalyzed，therequirementofeachservicesareclarifiedBycomparingtheconceptsofreliability，availability，survivabilityandsecurity，theconceptofavailabilityisusedasreliabilitymeasuretesearch也ecomprehensivereliability

6、ofpowercommunicationnetworkTheinternalstructureoftheequipmentsandthepowersupplysystemsaretakenintoaccountandthenavailabilitymodelsofdedicated，multiplexingandactive—standbyopticalcha【1nelsareconstructedThesemodelscanrefle

7、ctthelogicrelationofinternalcomponentsincommunicationequipmentsstatesandtheinfluenceofpowersupplysystemoncircuitavailabilityisconsideredTheanalyticresultsareinconformitywiththeneedsofrealityInviewofthedispersionofavailab

8、ilityparametersforcommunicationinfrastructures，thetrianglefuzzynumbermethodbasedfuzzyavailabilitymodelsofcommunicationcircuitsanditsanalysismethodareproposedThismethodhassolvedtheuncertaintyproblemofparameterseffectively

9、Aimingatthequestionofavailabilityanalysisofpowercommunicationnetworkservices，theimportanceofpowercommunicationservicesisevaluatedTheserviceavailabilitymodelbasedonserviceimportanceanditsanalyticalgorithmareproposedThealg

10、orithmconsiderstheinfluenceofsharednetworkelementsonservicesavailabilityThevariationtrendofnetworkservicesavailabilityatdifferentservicestrafficthresholdisanalyzedTherisktheorybasedimportanceassessmentofsharednetworkelem

11、entsisprovidedEvaluationresultsshowthedistributionofnetwork’SvulnerabilitiesCombiningthecharacteristicofpowercommunicationnetworkmanagementandoperationenvironmentofpowercommunicationnetwork，theinfluencefactorsforreliabil