Device for the protection of the components of gas-insulated switching installations (switchgear) against the consequences of internal arcs

摘要

The subject matter of the invention is a device for the protection of the components of a gas-insulated switching installation against stresses which are caused by internal arcs and are unacceptably high. A short-circuiting device (2, 5) is arranged in the respective component. Furthermore, a pressure sensor (9, 10) is provided which responds in the event of an adjustable pressure being exceeded and whose response causes the short-circuiting device to be operated in the sense of shorting out (bridging) that phase which is affected by the arc. IMAGE