資源描述：
《輸電線路塔—線體系抗冰能力評估與覆冰災害預警-研究》由會員上傳分享，免費在線閱讀，更多相關內容在行業(yè)資料-天天文庫。
1、重慶大學碩士學位論文II英文摘要ABSTRACTTheicingconditionoftransmissionlinesposesathreattothesecurityandstabilityofoperationofpowergrids.Thedomesticandforeignscholarshavedonealotofresearchworkontransmissionlinesicecoveranditsdefensetechnology.But,howtocarryouteffectiveanti-icerenovationworkoftransmi
2、ssionlinesinthecaseofcostcontrol,howtosolvetheblindnessoficeonlinemonitoringequipmentinstallationandhowtodeterminetheicedisasterearlywarningthresholdoftransmissionlinesstillneedtobeaddressed.Inthispaper,theoverheadtransmissionlinesasobjectofstudy,aimingtoresearchakindoficeresistancee
3、valuationmethodwhichcanlocatetheweaklinkoflinesandcalculatetheultimatebearingcapacityoftransmissionlinetower-linesystem.Atthesametime,asthebasisoficedisasterwarning,developedafastandexactartificialadjuvantmethodformeasuringthelineicethickness,whichisinordertosolvetheexistingicedisast
4、erdefenserelateddeficienciesinourwork.Inthispaper,themainworksareasfollows:①Developedarapidmodelingsystemforfiniteelementmodeloftransmissiontowers-linesystem.Establishedfiniteelementmodellibraryoftowers,wires,groundwiresandcablesinChinatypicaliceregion500kvtransmissiontowers,andcombi
5、ningwithparametricdesignmethoddevelopedaaccurateandfastmodelingsystemforthefiniteelementmodeloftransmissiontower-linesystem,whichcanprovidesthesupportforiceabilityevaluationofthewholeline.②proposediceresistancecapabilityevaluationmethodofthetransmissiontower-linesystemBasedonthemetho
6、doffiniteelementsimulationanalysis,consideringgeometricnonlinearcharacteristicsofconductorsandgroundwires,andmicrotopographyandmeteorologicalfactors,researchedtheiceabilityevaluationmethodoftransmissiontower-linesystem,andgotaiceabilityevaluationmethod,whichcombinedwithfiniteelementm
7、odelfortransmissiontower-linesystemrapidmodelingsystemcanberelativelyefficientimplementationoftransmissionlinesiceabilityassessmentofthewholeline,forlocatingthetower-lineweaklinksandcalculatingtheultimatebearingcapacityoftransmissiontower-linesystem.③Putforwardanewkindoftransmissionl
8、inesicedisas
