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土壤分层结构下传输线感应雷电压算法研究

高金阁 李京校

高金阁, 李京校. 土壤分层结构下传输线感应雷电压算法研究[J]. 应用数学和力学, 2019, 40(8): 917-925. doi: 10.21656/1000-0887.390093
引用本文: 高金阁, 李京校. 土壤分层结构下传输线感应雷电压算法研究[J]. 应用数学和力学, 2019, 40(8): 917-925. doi: 10.21656/1000-0887.390093
GAO Jinge, LI Jingxiao. Study on Lightning Induced Voltages in Transmission Lines Under Soil Conductivity Stratified Structures[J]. Applied Mathematics and Mechanics, 2019, 40(8): 917-925. doi: 10.21656/1000-0887.390093
Citation: GAO Jinge, LI Jingxiao. Study on Lightning Induced Voltages in Transmission Lines Under Soil Conductivity Stratified Structures[J]. Applied Mathematics and Mechanics, 2019, 40(8): 917-925. doi: 10.21656/1000-0887.390093

土壤分层结构下传输线感应雷电压算法研究

doi: 10.21656/1000-0887.390093
基金项目: 北京市自然科学基金(8192052)
详细信息
    作者简介:

    高金阁(1987—),男,工程师(通讯作者. E-mail: gjg_ge@126.com).

  • 中图分类号: TM863

Study on Lightning Induced Voltages in Transmission Lines Under Soil Conductivity Stratified Structures

  • 摘要: 针对架空传输线感应雷过电压求解时理想地表假设与真实情况之间的矛盾,提出了一种基于Rusck模型,利用等效线高取代实际线高的方法,实现了土壤电导率分层结构下传输线感应雷电压的快速求解.与FDTD模拟结果对比验证了该方法的有效性和优越性.研究结果表明:对于电导率小于0.1 S/m的单质土壤类型,求解感应电压时应考虑电导率的影响,且电压峰值随电导率减小而增大.对于分层土壤结构,当上层土壤导电性较小时,感应电压随上层土壤增厚而变大;反之,随上层厚度增加而减小,当厚度超过5 m时,可忽略分层结构的影响.
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出版历程
  • 收稿日期:  2018-03-27
  • 修回日期:  2018-12-18
  • 刊出日期:  2019-08-01

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