grounding resistance

effects of grounding resistance on secondary arc current in extra-high-voltage transmission lines

故障点接地电阻对超高压输电线路潜供电流的影响

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approach to engineering technology of cutting down grounding resistance for lightning protection on high mountain weathered rocky soil

高山风化石土壤防雷接地降阻工程技术探讨

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grounding resistance is a main technical parameter of power plant and substation grounding system.

电网接地电阻值是发电场、变电站等地方的接地系统最主要的技术指标。

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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。

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example of using electrolytic ground pole to reduce grounding resistance of ground network at substation

电解地极降低变电站地网接地电阻实例

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apparatus for measuring impulse grounding resistance in power systems

电力系统冲击接地电阻测量装置

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structure of ground net and measurement of grounding resistance

接地网的结构及接地电阻测量

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grounding resistance of catenary pillar has the most important effect on lightning withstand level of catenary.

同时,接触网支柱的接地电阻对接触网的耐雷水平影响较大.

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application of grounding resistance reducing material and its evaluation

接地降阻材料的应用及降阻效果评价

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aimed at the existing problems of the grounding devices used in petrochemical facilities, a reformed grounding mode is presented, which is easy to assemble or dismantle, facile to test grounding resistance and has noninterference with subsequent working procedure.

针对石油石化设备接地搭接装置存在的弊端，介绍了一种新的接地搭接方式，改造后的接地装置便于拆装和接地电阻值的检测，与后续工序互不干扰。

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difference between the grounding impedance and grounding resistance of large substation grounding grids

大型变电站接地网接地阻抗与接地电阻的差异

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Analysis of Error in Measurement of Lightning Protection Grounding Resistance

防雷接地电阻测量误差分析

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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。

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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。

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practical curve for calculating the grounding resistance of vertical electrode in two-layer soil

双层土壤中接地电阻的工程实用曲线

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effects of electrode placement on grounding resistance of grounding system measured in vertical three-layer soil

电极位置对垂直三层土壤结构中接地系统接地电阻测量结果的影响

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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

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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。

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influence of neighboring underground metal object on measurement of substation grounding resistance

变电所附近地下构筑物对接地电阻测量的影响

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calculation of error of tower grounding resistance measurement using clamp meter

钳表法测量线路杆塔接地电阻的误差分析

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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。

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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。

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