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。
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。
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。
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。
应用推荐