*Secondary Modeling*

In this paper, the Kizilcay method for secondary arc modeling in EMTP software was used. More details can be found in [31], which are not repeated here for brevity. The specifications of the arc used in the simulations were as follows:

Initial resistance (*r*0): 150 mΩ Voltage per unit of length (*u*0): 1.1 V/cm Initial time constant (τ0): 960 ms Initial length (*l*0) of arc: 3.5 m
