Title:
スイッチギヤ
Document Type and Number:
Japanese Patent JP4073623
Kind Code:
B2
Abstract:
A switchgear comprising, a bus terminal, a load terminal, a grounding terminal, a primary circuit switching portion for connecting and disconnecting the bus terminal and the load terminal, which includes a pair of a first fixed electrode and a first movable electrode, a ground switching portion for connecting and disconnecting the load terminal and the grounding terminal, which includes a pair of a second fixed electrode and a second movable electrode, a first drive device for moving the first movable electrode of the primary circuit switching portion linearly towards the first fixed electrode, a second drive device for moving the second movable electrode of the ground switching portion linearly towards the second fixed electrode, a flexible conductor for connecting the first movable electrode to the bus terminal or the load terminal with relative movement, and a vacuum vessel, wherein one end of each of the bus terminal, the load terminal and the grounding terminal, the primary circuit switching portion and the ground switching portion are provided in the vacuum vessel, while the first drive device and the second drive device are provided outside the vacuum vessel.
Inventors:
Masayuki Takahashi
Michio Sakai
Mitsumasa Yorita
Takayuki Itotani
Seiichi Miyamoto
Toshimasa Maruyama
Takefumi Ito
Iwao Kawamata
Kimura Toshinori
Kenichi Koyama
Shinji Sato
Yoichi Hisamori
Taku Sekiya
Michio Sakai
Mitsumasa Yorita
Takayuki Itotani
Seiichi Miyamoto
Toshimasa Maruyama
Takefumi Ito
Iwao Kawamata
Kimura Toshinori
Kenichi Koyama
Shinji Sato
Yoichi Hisamori
Taku Sekiya
Application Number:
JP2000514366A
Publication Date:
April 09, 2008
Filing Date:
September 28, 1998
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H02B13/02; H01H31/00; H01H33/66; H01H33/666; H02B13/035; H01H1/20; H01H1/32; H01H1/58
Domestic Patent References:
JP9153320A | ||||
JP61074228A | ||||
JP7024762Y2 | ||||
JP52029824B2 | ||||
JP5034639U | ||||
JP9028011A | ||||
JP8050839A | ||||
JP47040159A | ||||
JP62208571A | ||||
JP6054418A |
Attorney, Agent or Firm:
Takuji Yamada
Mitsuo Tanaka
Masahiro Ishino
Kawabata Junichi
Mitsuo Tanaka
Masahiro Ishino
Kawabata Junichi