For the distributed capacitance of the network is the main cause of the fault current, it can be compensated and reduced by installing arc suppression coil(ASC).

• 电网对地分布电容的存在是接地点产生故障电流的主要原因，在电网的中性点与大地之间加装消弧线圈，可使容性电流得到补偿，从而使接地点的电流减小。