蘇州市城市中低壓電網供電能力評估的研究.pdf

1、南京理工大學碩士學位論文蘇州市城市中低壓電網供電能力評估的研究姓名：肖海南申請學位級別：碩士專業(yè)：動力工程指導教師：朗明君杜學彬20020402AbstractTheResearchofSuzhouUrbanMV／LVDistributionPowerNetworkEvaluation(shortenedas‘‘Research”inthefollowingpart)isofleoftheurbanpowernetworkreformp

2、rojectssponsoredbyJiangsuElectricPowerCorporation，withtheaimtOidentifyscientificallythepowersupplycapabilityofMV／LVdistributionpowernetworkafteritsrenovationTheprojectisbasedondocumentssuchasGuidelinestoPlanningandDesign

3、ingofUrbanPowerNetwork，GuidelinestORenovationTechnologyforUrbanDistributionPowerNetworkandRegulationsforUrbanConstructionandRenovationEvaluationThisprojectmakessomeresearcheswithemphasisontheMV／LVdistributionpowersupplys

4、ituationunderthepresentloadconditionSomeresultssuchasthecalculationoflineloadrate，theoreticallineconsumptionrateandelectricvoltagedecreaseareacquiredbythemathematicalanalysis，andthusthepowersupplycapabilityisevaluatedcom

5、prehensivelyThesamehasbeendonetotheLVpowernetwork，TheresearchprojectanalyzesallowanceofthepowersupplycapabilityoftheMV／LVdistributionpowernetworkFurther：Oilthepremiseofguaranteeingthepowernetworktooperatesafelycalculatio

6、nsofloadincreasearefinishedmadSOonFromtheaboveanalyses，theconclusionscanbemadeasfollowed：underthepresentloadcondition，SuzhouurbanMV／LVdistributionpowernetworkshouldhavethesustainability；whentheloadincreasesby20％or40％，afe

7、wMV／LVlineswillbeunabletomeettheloaddemandObviouslytheevaluationpointsoutthepowersupplycapabilityoftheexistingMV／LVdistributionpowernetworkandpossibleproblemsWiththequantifiedresults，itregulatesthebasicdataandimprovesthe

8、long—termlayoutlevelTheprojectisbrand—newinthewholeprovincialelectricpowersystemBysimpleandpracticalmathematicalmethods，theevaluationquantifiestherespectiveguidelineofevaluativeMoreoveritprovidesthemathematicalmodelforli