输配电组合系统的可靠性评估算法研究

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1、上海交通大学硕士学位论文输配电组合系统的可靠性评估算法研究姓名：祁彦鹏申请学位级别：硕士专业：电力系统及其自动化指导教师：张焰20081201上海交通大学硕士学位论文ABSTRACTReliabilityEvaluationofCompositeTransmissionandDistributionSystemABSTRACTNormallyelectricpowersystemsthatareusedtotransmitelectricityfromgenerationsourcestocus

2、tomersconsistoftransmissionanddistributionsystems.Sothereliabilityofthemhasasignificanteffectonthecustomers’powerenergyquality.However,thereliabilityevaluationofpowersystemisusuallyconductedseparatelyinthefunctionalzoneoftransmissionanddistributionsy

3、stems.Thetransmissionsystemadequacyanalysiscannotprovidereliabilityindicesforindividualcustomerloadpointsandthedistributionsystemisusuallyanalyzedasaseparateentity,notconsideringtheeffectsoftransmissionsystem.Thisthesisconductsthereliabilityevaluatio

4、nofcompositetransmissionanddistributionsystem.Tohaverealisticreliabilityindicesaboutthepowersystem,thethesispresentsnewstatespacemodelsaboutcircuitbreakerincorporatingtheeffectsoftherelayorientedoutagesandbusbarconsideringshortcircuitoutagesetc.Aterm

5、inalreliabilityequivalentmodelofstationconfigurationisusedtoconductthereliabilityofstationconfiguration.Intheprocessofconductingthereliabilityofthetransmissionsystem,anewoptimalloadsheddingmethodthatisbasedontheACisused.Amethodofminimum-cutsetandnetw

6、ork-equivalentII上海交通大学硕士学位论文ABSTRACTisintroducedtohaveabetterresultofthereliabilityevaluationofcomplexdistributionsystem.Thereliabilitynetworkequivalentmethodisusedtoreducethecomplexdistributionsystemandtheminimumcutsetmethodtoenhancetheprecisionands

7、peedofthereliabilitycalculating.Theproposedmethodovercomesthedeficiencyoftheoriginalmethodsuchasmaintenanceandthesecond-orderfaultscannotbecalculated.Intheendofthisthesis,thereliabilityevaluationofcompositetransmissionanddistributionsystemisconducted

8、byusingtheMSPreliabilitymodeloftransmissionsystem.TheRBTSreliabilitytestsystemisappliedtotestifytheefficiencyofthemodelandalgorithm.Thecaseresultsshowthattheycanbeusedtoconductedthereliabilityofcompositetransmissionanddistributionsystem.Keywords：comp