Vacuum circuit interrupter grounding assembly

Details Vacuum circuit interrupter grounding assembly Vacuum circuit interrupter grounding assembly

2007-09-26

2010-11-09

Luebke, Renee (Department: 2833)

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Vacuum

C218S154000

Reexamination Certificate

active

07829814

ABSTRACT:
A vacuum circuit interrupter having a pole unit structure and an operating mechanism structured to move the vacuum circuit interrupter contacts between a first, closed position, wherein a movable contact is coupled to, and in electrical communication with, a fixed contact, and a second, open position wherein the movable contact is spaced from, and not in electrical communication with, the fixed contact, as well as being structured to rotate a housing assembly rotatable portion between a first position, wherein a rotatable terminal is coupled to, and in electrical communication with, a line terminal, and a second position, wherein the rotatable terminal is coupled to, and in electrical communication with, a grounded terminal.

REFERENCES:
patent: 6255615 (2001-07-01), Kimblin
patent: 6720515 (2004-04-01), Renz et al.
patent: 7250583 (2007-07-01), Cameroni et al.
patent: 2005/0139579 (2005-06-01), Sakamoto et al.
Kajiwara, Satoru, et al., “Development of 24-kV Switchgear with Multi-functional Vacuum Interrupters for Distribution,” Hitachi Review, vol. 49, No. 2, 2000, pp. 93-100.
Jüttner, Burkhard, et al., “Instabilities of prebreakdown currents in vacuum I: late breakdowns,” J. Phys. D: Appl. Phys. 32, 1999, pp. 2537-2543.
ABB Power Technologies S.p.A., “SHS2 Gas-insulated switching and isolating apparatus”, 2004, pp. i, 1-24, ii.

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