Chambre d'interruption d'un interrupteur très haute tension avec un volume de chauffage pour l'admission de gaz sous pression

摘要

The chamber has two switching units (3, 4) that are movable relative to each other longitudinal to an axis (5), and axially limiting an arc zone (9) during a switching operation. One of the switching units coaxially includes heating volumes (7), and a heating channel (10) that communicates with the arc zone. The heating channel flows to a section, into the heating volumes, which runs parallel to the axis. An orifice section (11) is limited at a transition from the heating channel to the heating volumes external to a sharp edge (12) designed as a ring.