1·In the high resistivity area, it is very difficult to reduce the earthing resistance to the given value.
在高电阻率地域，将接地电阻降到设计值非常困难。
2·Zero-sequence transient energy is calculated for low earthing resistance and single-phase transient energy for high earthing resistance.
并且根据接地电阻的大小选择不同的暂态能量算式，故可判断金属性接地故障和高接地电阻接地故障。
3·The realization of low earthing resistance design in high resistance rate places is emphasized, such as stony soil, gravel, rock and so on.
重点提出了如何在多石土壤、砂砾、岩石等高电阻率的场所实现低接地电阻的设计要求。
4·Therefor by earthing connected net of set, it reduce earthing resistance, make the electricity discharge in earth prompt without dangerous overvoltage.
这样通过延伸机组的接地网进一步降低接地电阻，使雷电流迅速流散入大地而不产生危险的过电压。
5·So the loop network-earthing device must be designed in combination with building characters and the earthing resistance can be estimated with a simplified formula.
其环网接地装置必须结合建筑物特点进行设计，接地电阻可用简化公式估算。
6·According to the re-earthing TN-C-S system adopted usually by foreign country, the paper analyses main function, value etc. of re-earthing resistance. These respects can be referenced for designer.
根据国外普遍采用重复接地TN C S系统的情况，分析重复接地电阻的主要作用、取值等有关问题，供建筑供电设计参考。
7·According to the practical situations of substation engineering, this paper analyzes the method to reduce grounding resistance. It helps for construction of substation earthing grid.
从变电站工程施工的实际情况出发，分析了变电站降低接地电阻的方法，以期对变电站接地网建设有所裨益。
8·The results showed that surface square resistance and earthing way should be designed in reason when ITO film used for antistatic discharge on OSR surface.
结果表明，ITO薄膜应用于OSR表面防静电放电时，需合理设计表面方阻和接地方式。