摘要:
An insulator for completely insulated, metal-clad high-voltage switching installations includes a part in the shape of a hollow cone for concentrically supporting an electrical conductor. The insulator is provided on the conical surface with projecting concentric cylindrical structures arranged at a distance from each other.
摘要:
An improved voltage overload arresting apparatus for a highvoltage switching system in which the housings of the arresting apparatus and the switching system are coupled by a reduction valve which maintains the pressure of a dense gaseous insulating medium in the arresting apparatus housing at a constant pressure which is less than the gas pressure in the switching system housing.