Title:
VACUUM-CIRCUIT BREAKER
Document Type and Number:
WIPO Patent Application WO/2011/118056
Kind Code:
A1
Abstract:
Disclosed is a three-phase vacuum-circuit breaker composed of three one-phase pressurized tanks (1) disposed in a line, that house a vacuum valve (9) containing an insulating gas. The pressurized tank (1) is substantially square-shaped or substantially elliptically shaped in a plan view. The vacuum valve (9) is disposed in each pressurized tank (1) with a moving conductor (9b) at a bottom side in line with up and down directions of the moving conductor (9b) drive direction, and is disposed toward one of a diagonal direction or a longitudinal direction of the substantially square-shaped or substantially elliptically shaped compressed tank (1) to maintain an adequate insulating distance with a moving-side connection conductor (13b). Additionally, an operating mechanism (10) is disposed below the vacuum valve (9).
Inventors:
NAKADA KATSUSHI (JP)
ARIOKA MASAHIRO (JP)
ARIOKA MASAHIRO (JP)
Application Number:
PCT/JP2010/063873
Publication Date:
September 29, 2011
Filing Date:
August 17, 2010
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
NAKADA KATSUSHI (JP)
ARIOKA MASAHIRO (JP)
NAKADA KATSUSHI (JP)
ARIOKA MASAHIRO (JP)
International Classes:
H02B13/02
Foreign References:
| JP2002199522A | 2002-07-12 | |||
| JP2007306701A | 2007-11-22 | |||
| JPH0583978U | 1993-11-12 | |||
| JPH09147698A | 1997-06-06 |
Attorney, Agent or Firm:
OIWA Masuo et al. (JP)
Masuo Oiwa (JP)
Masuo Oiwa (JP)
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Claims: