Title:
GAS INSULATED SWITCHGEAR
Document Type and Number:
WIPO Patent Application WO/2024/042581
Kind Code:
A1
Abstract:
The present invention is a gas insulated switchgear that has a disconnector (41), the disconnector (41) comprising: a first fixed contact (112a) and a second fixed contact (112b); a movable contact (4f); an insulating rod (4d) that switches between a first state in which the movable contact (4f) comes into contact with the first fixed contact (112a) and the second fixed contact (112b), and a second state with no such contact; and a surge suppression element (44) that comes into contact with the movable contact (4f) in the second state. A tank (10) of the disconnector (41) has a main pipe part (4a) and a branch pipe part (4b) that branches off from the main pipe part (4a). The first fixed contact (112a) and the second fixed contact (112b) are accommodated in the main pipe part (4a), the surge limiting element (44) is accommodated in the branch pipe part (4b), and the movable contact (4f) is accommodated in the branch pipe part (4b) in the second state.
Inventors:
NABEKURA KOHEI (JP)
NAKAUCHI SHINICHIRO (JP)
NAKAUCHI SHINICHIRO (JP)
Application Number:
PCT/JP2022/031570
Publication Date:
February 29, 2024
Filing Date:
August 22, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02B13/035; H01H33/64
Foreign References:
| JPH0739048A | 1995-02-07 | |||
| JPH0257207U | 1990-04-25 | |||
| JPS5894724A | 1983-06-06 | |||
| JPS5043228U | 1975-05-01 |
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
Download PDF: