grounding resistance

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。

Secondly, the approach that switches the tripping equations to improve the tolerance of grounding resistance is not suitable when the zero sequence reactance relay is applied to double circuit lines or ring network.

零序电抗继电器应用于双回线或环网时，不适宜用切换动作方程的方法提高承受过渡电阻的能力。

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。

Influence of Soil Moisture Variation on Line Grounding Resistance

土壤湿度变化对线路接地电阻的影响研究

In reference [ 2] the grounding mesh model for Three Gorges Hydroelectric Station is calculated and the conclusion is that under a certain condition of technology and economy it is possible to reduce the grounding resistance of the power station to 0.15W or lower.

文献[2]对三峡电站的模型地网进行了计算，认为在一定的技术经济条件下，将三峡电站的接地电阻降低至0.15W及以下是可能的。

This paper gives a method of measuring grounding resistance of large earthing grid with non-power-frequency. According to the method, we can get precise measurement result, and the frequency of test current can be very closed to power-frequency.

介绍了一种地网接地电阻异频测量方法，该方法在试验电流频率与系统工频相当接近的条件下，可获得稳定可信的测量结果。

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着直接的影响。

Analysis of Error in Measurement of Lightning Protection Grounding Resistance

防雷接地电阻测量误差分析