Calculation of Electric Field on Substation Equipment considering AC Ion Flow Field

Table 1

Parameter setting.

Ice regions	Conductor spacing (m)	Ground conductor spacing (m)	Roughness coefficient	Altitude (m)	Temperature (°C)	Wind speed (m/s)
Light	18.2	32.4	0.8	2000	25	0
Medium	20.3	36.1
Heavy	20.8	33.4