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华北大地涡旋电流现象机理及对管道管地电位影响

梁志珊 肖霄 罗雄麟 左信 毕武喜 蓝卫

梁志珊, 肖霄, 罗雄麟, 等. 华北大地涡旋电流现象机理及对管道管地电位影响[J]. 强激光与粒子束, 2019, 31: 070013. doi: 10.11884/HPLPB201931.190120
引用本文: 梁志珊, 肖霄, 罗雄麟, 等. 华北大地涡旋电流现象机理及对管道管地电位影响[J]. 强激光与粒子束, 2019, 31: 070013. doi: 10.11884/HPLPB201931.190120
Liang Zhishan, Xiao Xiao, Luo Xionglin, et al. Geodetic interface algorithm for evaluating geomagnetic storms in pipelines[J]. High Power Laser and Particle Beams, 2019, 31: 070013. doi: 10.11884/HPLPB201931.190120
Citation: Liang Zhishan, Xiao Xiao, Luo Xionglin, et al. Geodetic interface algorithm for evaluating geomagnetic storms in pipelines[J]. High Power Laser and Particle Beams, 2019, 31: 070013. doi: 10.11884/HPLPB201931.190120

华北大地涡旋电流现象机理及对管道管地电位影响

doi: 10.11884/HPLPB201931.190120
基金项目: 

国家重点研发计划项目 2016YFC0800100

详细信息
    作者简介:

    梁志珊(1958—), 男, 博士, 教授, 从事地磁暴对埋地油气管道设备影响研究, 1972601365@qq.com

  • 中图分类号: TE832

Geodetic interface algorithm for evaluating geomagnetic storms in pipelines

  • 摘要: 一维分块大地周围的特定电性结构能够在该分块大地中产生涡旋电流。通过反演等效电流源并根据实际地形构造大地电性模型, 分析了涡流处的等效电流和电性结构对其特性的影响, 揭示了该特定区域中产生涡流并使得涡流移动的机理; 对铺设在该区域中的输油管道给出了管地电位(PSP) 的分布特征。计算得到的管道PSP与实际监测得到的管道PSP分布规律的一致性表明了涡旋电流能够加重地磁扰动对管道的影响。
  • 图  1  等效电流源方向示意

    Figure  1.  Direction indication of equivalent current source

    图  2  确定等效电流方向

    Figure  2.  Determination of equivalent current direction

    图  3  华北大地电导率模型

    Figure  3.  Geoelectric conductivity model in North China

    图  4  帕金森矢量推测涡流结果

    Figure  4.  Parkinson vector estimation of eddy current

    图  5  仿真结果

    Figure  5.  Simulation result

    图  6  涡旋电流按频率移动图示

    Figure  6.  Eddy current moving by frequency

    图  7  涡旋电流按频率移动图示

    Figure  7.  Eddy current changes with direction

    图  8  拟合地磁

    Figure  8.  Reconstruction of geomagnetism

    图  9  PSP随管线分布

    Figure  9.  Distribution of pipe-soil potential (PSP)

    图  10  兖州站和平邑站PSP和GIC随时间分布图

    Figure  10.  Time distribution of PSP and GIC at Pingyi station and Yanzhou station

    图  11  兖州站和平邑站的现场监测结果

    Figure  11.  On-site monitoring data of Yanzhou station and Pingyi station

    图  12  电流涡旋位置

    Figure  12.  Location of eddy current

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    Liang Zhishan. A calculation method of GIC and PSP for buried oil and gas pipeline affected by geomagnetic storm. CN105260504B. 2018-02-02
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出版历程
  • 收稿日期:  2019-04-19
  • 修回日期:  2019-06-03
  • 刊出日期:  2019-07-15

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