公开(公告)号：US20210194224A1

公开(公告)日：2021-06-24

申请号：US16756871

申请日：2018-01-31

Applicant: Mitsubishi Electric Corporation

Inventor： Masahiro FUJIOKA ,  Yasuhiro TSUKAO

IPC: H02B13/045 ,  H02B13/035 ,  H02B13/075 ,  H01H31/26

Abstract: A gas-insulated switchgear includes a main circuit conductor forming a bus line, a tank having a tubular main body in which the main circuit conductor forming the bus line is provided at its center, and a grounding-switch tank that is a branch pipe connected to the main body, in which a movable contact forming a branch line that branches from the main circuit conductor forming the bus line is provided, where a tubular surface of the main body is spherical, and has an opening that allows the movable contact to pass therethrough.

公开(公告)号：US20210288477A1

公开(公告)日：2021-09-16

申请号：US16487549

申请日：2017-05-19

Applicant: Mitsubishi Electric Corporation

Inventor： Masahiro FUJIOKA ,  Daisuke YOSHIDA ,  Masato KAWAHIGASHI

IPC: H02B13/035 ,  H02B5/06 ,  H02B13/00

Abstract: A gas-insulated switchgear includes: a plurality of circuit breakers extending along a first direction and aligned in rows along a second direction perpendicular to the first direction; one end rising portions raised from one end of the plurality of circuit breakers along a third direction perpendicular to the first direction and the second direction; other end rising portions raised from another end of the plurality of circuit breakers along the third direction; and a plurality of connection busbars connecting the other end rising portions together or connecting the one end rising portions together. Two lines through which the connection busbars pass are set between the one end rising portions and the other end rising portions.

公开(公告)号：US20180247778A1

公开(公告)日：2018-08-30

申请号：US15753483

申请日：2015-11-16

Applicant: Mitsubishi Electric Corporation

Inventor： Masahiro FUJIOKA ,  Hitoshi SADAKUNI ,  Masato KAWAHIGASHI ,  Shinichiro NAKAUCHI

IPC: H01H33/04 ,  H01H33/64 ,  H01H33/06 ,  H01H33/12

CPC classification number: H01H33/045 ,  H01H33/02 ,  H01H33/06 ,  H01H33/123 ,  H01H33/64 ,  H01H2235/02 ,  H02B13/075

Abstract: A switchgear includes a first contact capable of reciprocating along a motion axis, and a second contact. The second contact includes a facing unit movable in a first direction from the first contact toward the second contact when the facing unit is pushed in by the first contact, a spaced unit spaced from the axis and urged in a direction toward the axis, and a regulating unit coupled to the facing unit. The spaced unit abuts on the regulating unit to restrict movement of the spaced unit in the direction toward the axis as the facing unit is located in the second direction. The spaced unit is released from abutment on the regulating unit to move in the direction toward the axis into abutment on the first contact as the facing unit moves in the first direction.

公开(公告)号：US20170250527A1

公开(公告)日：2017-08-31

申请号：US15504532

申请日：2015-04-17

Applicant: MITSUBISHI ELECTRIC CORPORATION

Inventor： Nobuyuki SHINOHARA ,  Yasuhiro TSUKAO ,  Masato KAWAHIGASHI ,  Masahiro FUJIOKA

IPC: H02B13/035 ,  H01H9/50 ,  H02B1/26 ,  H01H33/56 ,  H01H33/26

CPC classification number: H02B13/0352 ,  H01H9/50 ,  H01H33/26 ,  H01H33/56 ,  H02B1/22 ,  H02B1/26 ,  H02B5/06 ,  H02B13/02 ,  H02B13/035 ,  H02B13/0356 ,  H02B13/075

Abstract: A gas-insulated switching apparatus of a three-phase-isolated type includes: two first main buses and extending in parallel at an identical height; a first connection bus interconnecting the first main buses; a first divergence bus diverging downward from the first connection bus; and a first circuit breaker connected to the first divergence bus, wherein a connection portion between the first connection bus and the first divergence bus is disposed at a position lower than the height at which the first main buses extend, and a grounding switch is disposed above the connection portion between the first connection bus and the first divergence bus.