基于图像处理的覆冰状态输电线路模型的分析

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1、第1I页武汉科技大学硕士学位论文AbstractWiththecontinuousimprovementofthetransmissionlinevoltagelevel．thedistributionofthetransmissionnetworkismoreextensiveandmorecomplexandthesafeoperationofthetransmissionlineisparticularlyprominent．Chargedbeforeoperationoftheoverheadtransmissionline，theelectricalsafetydistancemea

2、surementisneeded．Linemaintenancepersonneloverhaulaccountingtoentertheelectricalsafetyoftheequipotentialdistancetransmissionlineconductorcurveshapewillaffectthelivelinemaintenancepersonneloperatinginthebodyelectricalconductordistance．Lineinspectiontodeterminethelineanimportantindicatorofthenormaloper

3、ationoftheoverheadtransmissionlineconductorsag，Icingwillaffecttheshapeofthecurveofthewire．WedemandtheIcingstatecurvemodel．Imageprocessingmethod，combinedwiththeoverheadtransmissionlinecatenarymodelequations，togenerateadifferentlinemodelintheicecoverconditions，inparticularnon-uniformtransmissionlinemo

4、delIcingconditions．Thisplaysanimportantrolemodelforthesafetyofoverheadtransmissionlinesforliveworkingdistancemeasurementandjudgmentlineforcestatus，usedtoguidetheproductionandtakepreventivemeasures．Thispaperstudiesthemechanismoficeandimageprocessingtechnology,differenttypesoficecoverdensityanditscros

5、s．sectionshapearenotallthesame，meanwhile，differentalgorithmsofimagefilteringwillleadtodifferenteffects．Theshapeofpowerlinewithuniformloadofisolated—spanisstudied．Inthisarticle，catenaryequationandparabolicequationofoverheadpowerlinesarededuced，physicalstateequilibriumequationsofoverheadpowerlineswith

6、non．uniformlydistributedloadisinvestigated．Asoverheadpowerlineswithicebelongtotheuniformloadmodel．inordertofacilitatethecalculation，overheadpowerlineswithiceareoftensimplifiedtouniformmodelinpractice．Thecharacteristicsoflinesinimagesisstudied，bycomparisonwiththeactualimagefactorsandtheexperimentalre

7、sults，weconcludedthatmedianfilterandcannyoperatorareappropriateforedgedetectionandsmoothingfilter．PixelsthatgeneratedbyedgedetectionaretranslatedintoactuaIthicknessandcorrectedtosuitableresultsatthela