地电位

  • 网络Ground;ground potential;earth potential
地电位地电位
  1. 阀基电子设备(VBE,ValveBaseElectronics)位于地电位,主要由触发回路和监测回路构成,它是高压晶闸管阀光电触发与在线监测系统的重要组成部分。

    Valve Base Electronics ( VBE ) is installed at earth potential , which is the interface between the facility 's control system and the thyristor valves . It comprises firing sector and monitoring sector .

  2. 雷电危害校园网络系统主要通过电源线路和各种网络线路以及地电位反击,防止雷电危害应采取综合防护措施。

    Thunder and lightning attack in the campus network system is mainly through power supply circuit , various network circuits and earth potential . To avoid being attacked by thunder and lightning , we should take comprehensive protection measures .

  3. GIS暂态地电位升高的计算与分析

    The Calculation and Analysis of Transient Grounding Potential Rise in GIS

  4. GIS暂态地电位升高的研究

    Trainsient Ground Potential Rising in GIS

  5. 认为在安装过程中,电导耦合、电感耦合、电磁感应及接地电位波动等均可成为DCS(集散控制系统)的干扰源。

    Conductive coupling , inductance coupling , electromagnetic induction and grounding potential fluctuation etc , were regarded as disturbance sources of DCS .

  6. 浮置电势Vf通常只低于接地电位几伏。

    The floating potential , Vf is usually only a few volts below ground .

  7. 主要表现为:GIS母线套管上的快速暂态过电压和GIS壳体上的暂态地电位升高以及GIS周围空间产生暂态电磁场。

    VFT is mainly characterized as very fast transient overvoltage on GIS bus-bar bushing , and as the raise of transient earth voltage on GIS enclosure , and as transient electromagnetic field ( TEM ) around the GIS .

  8. 根据DCS遭雷击的典型案例分析,认为雷电主要是通过以下几种耦合途径给DCS带来危害的:直击雷造成的地电位浮动而导致的雷电反击;

    Base on research and analysis of typical lightning stroke events for DCS , the main coupling approach damaging DCS are recognized as following : Back stroke by ground voltage floating brought on direct lightning flash ;

  9. 用EMTP程序对用不同的氧化锌避雷器限制GIS内快速暂态过电压的效果进行了计算,并给出了快速暂态过电压与暂态地电位升高的简单算式。

    This paper uses EMTP program to calculate the effects of suppression on very fast transient overvoltages in GIS when employing different ZnO Surge Arresters , and gives a simple formula of transient grounding potential rises versus very fast transient overvoltages .

  10. 本文用电化学等效电路分析了IR降的产生及其影响,阐述了消除IR降的瞬时断电法和探头法的原理与局限,推荐用阴极保护多功能测量探头消除管&地电位测量中的IR降。

    An equivalent circuit is taken in the paper to analyze the production of IR drop and the effect , to eliminate IR drop the principle of the transient power loss method and probe method and application limits are presented , the multifunction probe for cathodic protection is recommended .

  11. 对采用断电法测试涂层面电阻率的方法提出了不同意见,建议使用阻抗为10MΩ的数字仪表对管/地电位进行测量。

    For the method to measure the coating surface resistivity with the current-cut-off method , the author puts forward his own concept and suggests that the pipe / soil potential should be measured with 10 M Ω digital meter .

  12. 金属氧化物避雷器对气体绝缘开关装置暂态地电位升高的抑制作用

    Suppression of Transient Ground Potential Rise in GIS by Using MOA

  13. 地电位升高对通信设备的影响及其防护

    The influence of ground potential 's rising on the communication devices

  14. 浅谈电子信息系统机房零地电位差问题

    Analyse electronic information system machine room distance of zero PD problem

  15. 基于CAN总线的分布式井&地电位检测系统设计

    Design of Well-Earth Potential Detection System Based on CAN bus

  16. 雷击引起风电场的地电位升高问题

    Analysis of Ground Potential Rise of Wind Farm Grounding Systems

  17. 杂电区管地电位测试公式

    Formula to Measure the Pipe-to-Soil Potential in Stray Current Regions

  18. 坦克装甲车辆地电位预测技术初步研究

    Elementary Research of Ground Potential Prediction Technology of Tanks and Armored Vehicles

  19. 变电站地电位干扰及抗干扰措施研究

    Research on Earth Potential Interference and Anti-interference Measures of Substation

  20. 井地电位成像技术在大庆油田的应用

    Application of Well-Ground Potential Image in Daqing Oil Field

  21. 地电位升对埋地通信光缆的危险影响及防护

    Danger Effects and Protection of Buried Optical Fiber Cables

  22. 变电站选址应准确计算地电位

    Earth potential should be accurately computed in substation siting

  23. 井地电位检测系统研究

    Research on Detection System for Well - Earth Potential

  24. 水平电流在双层大地中感应地电位的数值分析

    Numerical Analysis of Earth Potential Induced by Horizontal Current above Surface of Two-layer Earth

  25. 驾驶侧安全气囊线2到地电位的短路

    Driver airbag line 2 short to ground potential

  26. 电磁场感应和地电位升高对导引线保护的影响

    Effects of Electromagnetic Field Induction and Ground Potential Rise on Pilot Wire Protection System

  27. 城区变电站地电位模拟测试研究

    Study on simulation test and measurement of ground potential of substation in city proper

  28. 变电站地电位差对屏蔽电缆的电磁干扰分析

    Analysis of Electromagnetic Interference in Shielded Cables Caused by Ground Potential Difference in Substations

  29. 地电位的升高与通讯设备的损坏

    The Rise of Earth potential and the Damage to PLC Equipment in Power Stations

  30. 湖泊和河流都能在小范围内改变地电位的分布。

    The lakes and the rivers would change the distribution of the potential slightly .