接地电阻测量是接地施工中的一个重要环节。
Measurement of the grounding resistance is an important tache in grounding construction.
此方案成功地应用于变电站接地电阻测量变频电源控制电路中。
This project is applied to the control circuit of the frequency converter power source of for measuring ground resistance in an electric substation.
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。
This paper present a new electrode arrangement by analyzing errors in grounding resistance measurement under steady voltage.
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。
In chapter 2, the fundamental principium of measuring grounding resistance is analyzed detailedly, further introduces typical measurement methods in the world.
利用该统一模型，分析了外加直流电压法、外加交流电压法、乒乓切换法中电刷接触电阻对励磁绕组接地电阻测量值的影响和危害。
By using power of DC superimposed AC, oxidation rate rose with increase of voltage but had nothing to do with frequencies in this experiment.
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.
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 measurement of grounding resistance under impulse voltage is of great importance for safe operation of power system and electronic equipment.
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。
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.
介绍了钳形接地电阻测试仪的测试原理，即在测量时必须要有一个供电流流过的有效的闭合回路。
It describes the measure principle of the clamp grounded resister tester, that is, a effective close loop for current flow is necessary when doing the test.
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 this paper, the significance and area of low voltage grounding protection are described and some methods for measuring grounding resistance are introduced.
从接地电阻的测量原理出发，讨论了采用短电流极引线测量地网接地电阻的可行性。
With the principle of measuring resistance, the paper carries through the theory analysis about possibility of measurement method with short electrode wire.
比较分析了几种直流系统常用的绝缘检测方法，采用乒乓式变电桥测量法，实现了接地电阻的准确在线测量。
The insulation methods of several DC systems are compared and analysed. A ping-pang variable bridge measurement is adopted. The ex - act on line detection of grounding resistance is realized.
但这种方法只适用于均匀土壤接地电阻的测量。
介绍了变频法测量接地电阻的原理、接地电阻变频测量仪的结构、数据处理方法和实测结果。
This paper introduces the principle of frequency changing method of grounding resistance measurement, the structure of frequency conversion measurement apparatus and data process method.
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。
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。
Finally grounding resistance and soil resistivity are measured under the condition of two-layer horizontal soil, and the model is proved to be reasonable.
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