| 电力电缆运行过程中的热机械性能变化 |
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| 引用本文： | 吉启荣,吴建良,李喜.电力电缆运行过程中的热机械性能变化[J].电气技术,2008(2):65-69. |
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| 作者姓名： | 吉启荣 吴建良 李喜 |
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| 作者单位： | 1. 江苏亨通电力电缆有限公司,江苏,吴江,215234
2. 江苏吴江产品质量监督检验所,江苏吴江,215200 |
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| 摘 要： | 透过"热胀冷缩"和塑性变形这两个基本物理性能对电力电缆运行时热机械性能进行分析;简述产生的原因和危害;本文重点是将导体与绝缘材料的轴向热伸缩变化和热应力进行分析,简述对电缆使用和敷设过程产生的影响,以及在安装使用时需采取的策略。
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| 关 键 词： | 电力电缆 温度自应变 温度自应力 热收缩 |
Analysis Changes of Thermomechanical Property during Power Cable Running Process |
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| Jj Qirong,Wu Jiangliang,Li Xi.Analysis Changes of Thermomechanical Property during Power Cable Running Process[J].Electrical Engineering,2008(2):65-69. |
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| Authors: | Jj Qirong Wu Jiangliang Li Xi |
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| Abstract: | This article penetrates fhe basic physical representat "Expands with heat and contracts with cold" and Plastic deformation analysis thermomechanical properties of power cable running process temperature changes produces.The summary produces reason and harm.This article key point is analysising axial thermal stretch out and draw back change and thermal stress of conductor and insulation of cable.Summarizes the influence in using and laying to power electric cable which the process produces.The strategy which as well as when installs useadopts. |
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| Keywords: | Power cable thermal strain thermal stress thermal contraction |
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