Title:
SWITCHGEAR
Document Type and Number:
WIPO Patent Application WO/2020/250511
Kind Code:
A1
Abstract:
The present invention is characterized in that in order to provide a switchgear that can suppress chattering in a simple manner, this switchgear comprises: a fixed side contactor electrically connected to a fixed side arc contactor; a movable side contactor electrically connected to a movable side arc contactor; a sealed container accommodating the fixed side contactor and the movable side contactor and filled with arc-extinguishing gas; and an operation mechanism mechanically moving the movable side contactor, and has a throwing function of moving the position of the movable side contactor by means of the operation mechanism and bringing the movable side contactor into contact with the fixed side contactor to make an energization state, wherein the movable side contactor or the fixed side contactor is configured to vary a time (period) until a contact terminal of the movable side contactor or the fixed side contactor opened and separated due to a collision impact of the fixed side contactor or the movable side contactor comes into contact with the fixed side contactor or the movable side contactor again.
Inventors:
IIDA TAKASHI (JP)
YAGINUMA NORIYUKI (JP)
YAMANE YUICHIRO (JP)
NAKAI YUKI (JP)
YAGINUMA NORIYUKI (JP)
YAMANE YUICHIRO (JP)
NAKAI YUKI (JP)
Application Number:
PCT/JP2020/009723
Publication Date:
December 17, 2020
Filing Date:
March 06, 2020
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
H01H33/70; H01H1/06; H01H1/66; H01H33/915
Foreign References:
| JP2010097745A | 2010-04-30 | |||
| JP2015023006A | 2015-02-02 | |||
| JP2004119315A | 2004-04-15 | |||
| JPS56158032U | 1981-11-25 | |||
| JP2008288185A | 2008-11-27 | |||
| JP2013110125A | 2013-06-06 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
Download PDF: