| 某直流接地极土壤热物性参数及地温测试 |
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| 引用本文： | 李党民,刘厚健,赵小明,李仁海,单波.某直流接地极土壤热物性参数及地温测试[J].电力勘测设计,2010(5). |
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| 作者姓名： | 李党民 刘厚健 赵小明 李仁海 单波 |
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| 作者单位： | 1. 西北电力设计院,西安,710032
2. 西安交通大学,西安,710049 |
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| 摘 要： | 高压直流输电线路接地极土壤热物性参数及地温是设计需要获取的关键数据之一。本文结合华东某直流接地极土壤热物性参数及地温测试实例,说明了瞬态热丝法的工作原理、工作方法及测试数据的统计分析思路。并对目前土壤热物性参数测试方法存在的问题进行了探讨。
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| 关 键 词： | 接地接 瞬态热丝法 导热率 比热容 热扩散率 |
Soil Hot Physical Parameter and Earth Temperature Testing Direct Current Grounding Pole |
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| LI Dang-min,LIU Hou-jian,ZHAO Xiao-ming,LI Ren-hai,SHAN Bo.Soil Hot Physical Parameter and Earth Temperature Testing Direct Current Grounding Pole[J].Electric Power Survey & Design,2010(5). |
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| Authors: | LI Dang-min LIU Hou-jian ZHAO Xiao-ming LI Ren-hai SHAN Bo |
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| Affiliation: | LI Dang-min1,LIU Hou-jian1,ZHAO Xiao-ming2,LI Ren-hai1,SHAN Bo1(1.Northwest Electric Power Design Institute,Xi'an 710032,China,2.Xi'an Jiaotong University,Xi'an 710049,China) |
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| Abstract: | Soil thermo-physical parameters and ground temperature of earth electrode in HVDC transmission line is one of the key data for design.Work elements and method of the transient heating wire method is explained by means of the example of soil thermo-physical parameters and ground temperature for Certain direct current earth electrode in the east of China.The statistical analysis line for testing data is also explained.The problem of current testing method of soil thermo-physical parameters is discussed. |
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| Keywords: | earth electrode transient heating wire method heat conductivity specifi c heat capacity heat diffusivity |
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