Analysis of Transient Characteristics of Arc Grounding Voltage under Single-Phase Ground Fault in Distribution Networks

To study the self-extinguishing characteristics of single-phase grounding fault arcs in distribution networks, this paper conducts numerical simulations of the arc grounding overvoltage and recovery voltage caused by single-phase grounding faults in a centralized parameter circuit under ungrounded neutral and grounded through arc suppression coil conditions. The results are compared and analyzed with the calculations from a distributed parameter actual system, showing that the experimental simulation circuit is equivalent to the actual system.