Grounding resistance is not more than 30 ohms.
接地电阻不大于30欧姆。
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。
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。
The usage and effect of grounding resistance reducing agent at low temperature is discussed.
讨论了低温条件下降阻剂的使用方法和降阻效果。
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。
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。
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。
Fourteen, system of pipe nozzle and stents are connected to ground, grounding resistance should be less than 16 ohms.
系统中的管道喷头及支架等均应接地，接地电阻应小于16欧姆。
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 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。
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。
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。
Furthermore, through market investigation, the paper analyzes and compares several Testing Devices for Tower Grounding Resistance.
同时，文章通过市场调研，分析比较了市场上出现的几类杆塔接地电阻测试装置。
To meet the requirement of reducing unnecessary losses, we should reduce the grounding resistance of grounding grid as far as possible.
为达到要求减少不必要的损失，应尽量减小接地网的接地电阻。
Calculation results in CDEGS Software as a reference, discusses the complexity of soil effects on grounding resistance characteristics.
以CDEGS软件计算结果作为参考依据，探讨了土壤复杂化对接地电阻值的影响特性。
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。
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。
Finally grounding resistance and soil resistivity are measured under the condition of two-layer horizontal soil, and the model is proved to be reasonable.
实验测量了两层水平分层土壤结构下的接地电阻和土壤电阻率，证实了土壤分层模型的有效性和可靠性。
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。
In chapter 2, the fundamental principium of measuring grounding resistance is analyzed detailedly, further introduces typical measurement methods in the world.
在第二章，文章详细分析了测量接地电阻的基本原理，并对国内外现有典型接地电阻测量方法进行了分类介绍。
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。
It is pointed out that in modern lightningproof and grounding systems, it is the structure of the equipotential system not the grounding resistance that matters.
强调了在现代防雷接地系统中，重要的是等电位系统的结构而不是接地电阻阻值的大小。
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 paper introduces the characteristics of resistivity of several typical soils and grounding resistance reducing agents at low temperature based on laboratory tests.
介绍了在低温条件下对几种典型土壤以及各类降阻剂的电阻率特性进行实验研究的结果。
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。
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。
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。
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