公开(公告)号：EP0468294B1

公开(公告)日：1995-09-27

申请号：EP91111575.6

申请日：1991-07-11

申请人： HITACHI, LTD.

发明人： Yamagiwa, Tokio ,  Tsubaki, Toru ,  Sasaki, Koji ,  Yamamoto, Naoyuki ,  Kurokawa, Koji ,  Amano, Naoki

IPC分类号： H01H33/70

CPC分类号： H01H33/7069

公开(公告)号：EP0468294A3

公开(公告)日：1992-04-15

申请号：EP91111575.6

申请日：1991-07-11

申请人： HITACHI, LTD.

发明人： Yamagiwa, Tokio ,  Tsubaki, Toru ,  Sasaki, Koji ,  Yamamoto, Naoyuki ,  Kurokawa, Koji ,  Amano, Naoki

IPC分类号： H01H33/70

CPC分类号： H01H33/7069

摘要： A puffer type gas-insulated circuit breaker is adapted to, when its movable electrode (3) separates from a stationary electrode (4), let an insulating gas (10) blow to an occurring arc (A) to extinguish the same. As insulated nozzle (1) is provided to direct the gas (10) toward the arc (A) and forms a gas passage (16) in cooperation with an insulating cover (2) which covers the movable electrode (3). The insulated cover (2) is formed of an insulating material which contains a filler for preventing energy lines of the arc (A) from entering the cover (2). Furthermore, the insulated cover (2) has a specific inductive capacity larger than that of the insulated nozzle (1) so as to make small the electric field strength at the front end of the movable electrode (3).

公开(公告)号：EP0468294A2

公开(公告)日：1992-01-29

申请号：EP91111575.6

申请日：1991-07-11

申请人： HITACHI, LTD.

发明人： Yamagiwa, Tokio ,  Tsubaki, Toru ,  Sasaki, Koji ,  Yamamoto, Naoyuki ,  Kurokawa, Koji ,  Amano, Naoki

IPC分类号： H01H33/70

CPC分类号： H01H33/7069

摘要： A puffer type gas-insulated circuit breaker is adapted to, when its movable electrode (3) separates from a stationary electrode (4), let an insulating gas (10) blow to an occurring arc (A) to extinguish the same. As insulated nozzle (1) is provided to direct the gas (10) toward the arc (A) and forms a gas passage (16) in cooperation with an insulating cover (2) which covers the movable electrode (3). The insulated cover (2) is formed of an insulating material which contains a filler for preventing energy lines of the arc (A) from entering the cover (2). Furthermore, the insulated cover (2) has a specific inductive capacity larger than that of the insulated nozzle (1) so as to make small the electric field strength at the front end of the movable electrode (3).

摘要翻译： 吹气式气体绝缘断路器，当其可动电极（3）与固定电极（4）分离时，使绝缘气体（10）吹向发生的电弧（A）以将其熄灭。 由于绝缘喷嘴（1）被设置成将气体（10）引向电弧（A）并且与覆盖可动电极（3）的绝缘盖（2）配合形成气体通道（16）。 绝缘盖（2）由绝缘材料形成，其包含用于防止电弧（A）的能量线进入盖（2）的填料。 此外，绝缘盖（2）具有比绝缘喷嘴（1）更大的比感应能力，从而使可动电极（3）前端的电场强度变小。