The feeders may be set in different modes, and are preferably connected to both the metal casing and one tubular conductor throughinsulator in the metal casing.
When the voltage is removed, the separated charges generate a decaying current through circuits connected to the insulator as they recombine.
当撤去电压时，这些分离的电荷在重新组合时会在与绝缘体相连的电路中产生衰减的电流。
3
Based on some research results, insulator corona pulses through the ground line of the tower could be used to identify faulty insulators on transmission lines.