Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electrical power distribution systems and devices
Patent
1999-02-02
2000-10-17
Picard, Leo P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electrical power distribution systems and devices
361604, 361605, 361622, 361624, 361631, 361634, H02B 1302, H02B 120, H02B 6100, H02B 506, H02B 126
Patent
active
061341010
ABSTRACT:
The gas-insulated, metal-enclosed switchgear assembly contains two, three or more switchpanels, each having a multipole power breaker (CB.sub.1, CB.sub.2, CB.sub.3, CB.sub.4) as well as isolating and grounding switches per switch pole (CB.sub.1R) and is designed like a ring or in a 11/2 power-breaker circuit. The switch poles of the power breakers are each of identical design and are arranged parallel to one another. The switchpanels each have one current path of U-shaped design per phase in a vertical plane, in which current path the base of the U contains a vertically aligned pole of the power breaker, and the two limbs of the U each contain an electrical connection of the power breaker and an isolating as well as a grounding switch. The upper limbs of the U of one of the switchpanels are connected phase-by-phase to the lower limbs (S.sub.u) of another of the switchpanels, by means of respective single-phase gas pipelines (L.sub.12 (R), L.sub.23 (R), L.sub.34 (Y)) which are arranged inclined to the vertical and are designed in straight lines. Such a switchgear assembly is distinguished by compact construction.
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"Bau und Inbetriebnahme von SF6-Schaltanlagen fur 420 kV und 525 kV Nennspannung", Szente-Varga, Brown Boveri Mitt, Nov. 1979, pp. 700-709.
Bucher Daniel
Muller Lorenz
Asea Brown Boveri AG
Picard Leo P.
Vortman Anatoly
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