With comparing different methods of grounding and considering different factors, high resistance grounding was selected.
针对配电网系统的单相高阻接地故障，提出了一种基于概率分析的故障检测与定位方法。
Summarizing the operating experience over 30 years, EDF determines to change low resistance grounding into resonance grounding in MV network.
EDF通过总结和研究中压电网30多年的运行经验，决定将中性点低阻抗接地方式，全部改为谐振接地方式。
It was reported that the overvoltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way.
但经多年的运行，各地普遍认为小电阻接地方式比消弧线圈接地方式的过电压水平要低，但同时反映出的运行状况却存在较大差异。
The paper also discusses the application scopes of small current grounding, low resistance grounding and resonant grounding in different kinds of power distribution grids.
论证小电流接地系统低电阻接地和谐振接地方式对不同类型配电网的应用范围。
Periodically measure insulation resistance, inspect motor sheath grounding.
定期测量绝缘电阻，检查机壳接地情况。
With the model and electric calculation method, it programmed for the calculation of hollow grounding device resistance.
根据电场计算方法和物理模型建立了空腹式接地装置的计算等效模型。
The traveling wave fault location has high reliability accuracy and anti-disturbance capability , and it also immunes from the fault resistance and the neutral grounding modes.
行波测距法具有较高的可靠性和精度，抗干扰能力强，且不受故障电阻及系统运行方式的影响。
The machine contain main functions of above four testing apparatus, it can automatic test leaking current, grounding electric resistance, dielectric intensity, resting voltage and print testing data.
具备四种测试仪的全部主要技术性能，可连续自动测试漏电流、接地阻抗、电介质强度、剩余电压。可打印测试数据。
Grounding resistance can be considered as the criterion of anchor quality.
本文采用接地电阻作为评价钢筋锚杆锚固质量的标准。
The measurement of grounding resistance under impulse voltage is of great importance for safe operation of power system and electronic equipment.
电力系统冲击接地电阻的测量是关系到电力系统稳定运行和电气设备安全的重要问题。
The author analyses the problem of the testing electric grounding resistance in the moment, and provide some advice.
分析目前电气接地电阻测试存在的问题并相应提出一些建议。
Measurement of the grounding resistance is an important tache in grounding construction.
接地电阻测量是接地施工中的一个重要环节。
Computation of spark discharge radius, impulse grounding potential distribution, current waveform and impulse grounding resistance is conducted by using this model.
应用该模型进行了火花半径、接地体冲击地电位分布、电流波形及冲击接地电阻的计算。
The location and quantity of arrestor and impulse grounding resistance of towers has direct influence on lighting overvoltage.
变电站避雷器安装位置和数量及输电线终端塔的接地电阻对雷电过电压有著直接的影响。
Grounding resistance is an important technical parameter of grounding system of electric power plant and transformer substation.
接地电阻值是发电厂、变电站接地系统的重要技术指标。
Resistance-reducing agent does not reduce the impulse grounding resistance under large lightning current.
降阻剂并不能降低接地极在强雷电流下的冲击接地电阻。
With a view to the deficiency of grounding resistance measurement at present, a new method with short current-electrode wire based on computer auxiliary analysis is presented.
针对目前的接地电阻测量方法的缺点，提出了以计算机辅助分析为基础的短电流极引线测量方法，并对电流引线长度的选取作了分析。
This fl at region would be misidentified as the compensation point of potential electrode corresponding to the actual grounding resistance of substation, and bring huge error.
该平坦段可能会被误认为对应于真实接地电阻的补偿点位置，导致测量结果出现巨大误差。
The analytic computational formula for grounding resistance of grounding rods in three-layer soil is derived based on the concept of equivalent soil resistivity.
基于等值土壤电阻率的概念，导出了三层土壤中垂直棒接地电阻解析计算公式。
Tower grounding resistance, distance between towers, etc can affect the function of line-surge arrester.
输电线路的接地电阻，线路档距等因素对线路型避雷器的应用有影响。
The seasonal coefficient of grounding resistance possibly reaches 3.0 in freezing region of North China, and those of touch voltage and step voltage 10 and 5.4, respectively.
在我国北方高寒冰冻地区接地系统的接地电阻季节系数可达3.0，接触电压和跨步电压季节系数可能达到10和5.4。
This paper present a new electrode arrangement by analyzing errors in grounding resistance measurement under steady voltage.
分析了布极方式对稳态接地电阻测量带来的测量误差，提出了多电极法的新型布极方式。
In this paper, the significance and area of low voltage grounding protection are described and some methods for measuring grounding resistance are introduced.
简述了低压用电设备保护接地的意义，保护接地范围，以及测量接地电阻的方法。
Grounding resistance is not more than 30 ohms.
接地电阻不大于30欧姆。
Since its reconstruction will be constrained by the site space, so the prudential design is needed so as to reach the required grounding resistance.
牵引变电所地网改造受场地限制，必须仔细设计才能够使接地电阻达到要求。
The seasonal factor affects the safety of grounding system, and causes changes in the grounding resistance, the step and touch voltages on the ground surface above the grounding system.
季节因素将影响地网的安全性能，导致地网的接地电阻、接触电压和跨步电压的改变。
A new analytic method for grounding resistance of compound grounding grids in two-layer soil is deduced in this paper.
提出计算双层土壤复合接地网接地电阻的新解析方法。
The simulation results shows that it decreases the negative influence made by wave velocity, line length and faults grounding resistance factors, and also improves the accuracy of faults locations.
仿真结果表明此算法减小了传统方法受波速、线路长度、故障接地电阻因素的影响，提高了故障测距的精度。
While graphite content in electrically conductive concrete applied in a grounding engineering is 10%, the power-frequency grounding resistance of the grounding devices is less than 0.
工程选用石墨掺量为10%的导电混凝土，使得接地装置的工频接地电阻均不大于0。
The influences of vertical grounding electrodes on grounding resistance, step and touch voltages were analyzed numerically.
采用数值计算方法分析了垂直接地极对接地系统的接地电阻、接触电压及跨步电压等的影响。
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