同塔双回输电线覆冰与脱冰对铁塔的影响分析

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1、三峡大学全日制专业学位硕士学位论文consideringtheparticularityofthedeicingmethodofthedouble-circuittransmissionline,thispapersimulates4kindsofdeicingcasesoftheline,carefullyanalyzesthemechanicalcharacteristicsofitincorrespondingconditionsandrecordsatotalof301majorstressvalu

2、es.Themathematicallawsbetweenthestressvaluesandtheicethicknessarediscovered,followedbycorrespondingfunctionfittingsupportingbyfittingformulasandgraphs.Keywords:double-circuittransmissionlineonthesametowertransmissiontowerstressicinganddeicingfiniteelementm

3、odelIV三峡大学全日制专业学位硕士学位论文目录选题的依据与意义...............................................................................................................1国内外文献资料综述......................................................................................................

4、.....41绪论.................................................................................................................................101.1课题研究发展趋势分析.......................................................................................101.2课题研究目的及内容..

5、.........................................................................................112同塔双回输电塔线体系有限元建模.............................................................................132.1输电线路的基本概况..........................................................

6、.................................132.1.1输电线路的组成..........................................................................................132.2同塔双回输电塔线体系建模...............................................................................172.2.1建模线路段实际概况.......

7、...........................................................................172.2.2同塔双回铁塔桁梁混合有限元模型.........................................................182.2.3导地线有限元模型......................................................................................2

8、22.2.4绝缘子串有限元模型.................................................................................242.3单元节点连接方式的处理和塔线体系有限元模型............................................252.4本章小结.................................