High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Air-current blowout
Patent
1997-04-03
1999-05-11
Luebke, Renee S.
High-voltage switches with arc preventing or extinguishing devic
Arc preventing or extinguishing devices
Air-current blowout
218 48, 218 51, H01H33/86
Patent
active
059029781
ABSTRACT:
This power breaker has at least one quenching chamber, which is filled with an insulating medium, is of cylindrical design, extends along a central axis (2) and has a power current path, having two stationary consumable contact arrangements (5, 6) which are arranged on the central axis (2), are at a distance from one another in the axial direction and are arranged in the power current path. In the connected state, the consumable contact arrangements (5, 6) are electrically conductively connected by means of a moving bridging contact. An arc zone (24) is provided between the consumable contact arrangements (5, 6). A rated current path is arranged in parallel with the power current path. The power breaker is provided with at least one source for a highly pressurized insulating medium. The medium passes from this source directly into the arc zone (24), through at least one injection channel (62, 63). This high-pressure injection considerably improves the breaking capacity of the power breaker.
REFERENCES:
patent: 4486632 (1984-12-01), Niemeyer et al.
patent: 4650941 (1987-03-01), Thuries et al.
Anderes Robert
Bruhl Bodo
Dahler Christian
Gavrilita Ion
Kaltenegger Kurt
Asea Brown Boveri AG
Luebke Renee S.
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