架空接触网线索的张力管理

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1、西南交通大学硕士研究生学位论文第1I页AbstractWiththeimprovementoftheoperatingspeedofChineseelectrictrain，thetrainsteadilydrawcurrentincreasinglyhighdemandfordynamicpropertiesofthepantograph—OCSsystems．Theoverheadcontactsystem(OCS)asanimportantpartofthetractionpowersupplysystem，OCShasthecharacteristicsofsingleandnospa

2、re，itsstructureisstableornot，itsperformanceisgoodornot，willdirectlyaffecttheabsorbingcurrentoflocomotive．ThetensileforceonoverheadcontactlineshasanimportantroleinmaintainingthestructureofOCS，itisalsoinfluencethedynamicpropertiesofthepantograph-OCSsystems．Thispapertakenthetensileforceonoverheadcontac

3、tlinesastheresearchobject，explorethemanagementoftensileforceonoverheadcontactlinesinthestageofthedesign，constructionandoperation．Thepurposeofthispaperistoprovideareferenceschemeforthemanagementoftensileforceonoverheadcontactlines．Thearticle，firstly,introducedthemanagementoftensileforceinthedesignsta

4、ge，focusedonthemethodofdeterminingthevalueofthedesigntension，designformulasofthetensileforceonoverheadcontactlinesweregiven．BeOing-Tianjinhigh-speedrailway，forexample，calculationfromadesignperspectiveandtheperspectiveofverification，gettherequirementsofdynamicpropertiesofthepantograph-OCSsystemsforte

5、nsionvalueunderadesignspeedof350km／h．Studiedtherelationshipbetweentensileforceandtemperature，discussedthetensioncompensationdeviceandMid-pointAnchorofOCSrelatedcontent．Secondly,afiniteelementmodelofOCS-pantographsystemWasestablished．Basedonthemodel，thispaperstudiedtheinfluenceofOCSwhenthetensileforc

6、eonoverheadcontactlineswaschanged，thesechangescanchangethecontactwireheight，alsocausefluctuationincontactforceunderthespeedof160km／h，200km／h，250km／h，300km／h，reflectedtheimportanceofthetensionvaluethatmaintainedatacertainrange．Introducedtheexistingconstructionprocessandtechnology，discussedthecontentr

7、elatedtothetensileforceonoverheadcontactlinesintheconstruction，includingtheinstallationandadjustmentofthetensioncompensationdevice，contactwireandcatenarywire，Mid-pointAnchorofOCSandstitchwire．Finally，