Apparatus for interrupting electrical power between two conductors

    公开(公告)号:US5579198A

    公开(公告)日:1996-11-26

    申请号:US537215

    申请日:1995-09-29

    IPC分类号: H01H77/06 H01H77/10 H01H73/00

    CPC分类号: H01H77/10 H01H77/06

    摘要: A circuit interrupter provides a conducting path between two conductors and interrupts the conducting path in response to overcurrent conditions in the conductors. The interrupter includes a magnetic core around which the conductors are disposed. Each conductor is electrically coupled to an arc runner and a spanner is biased into contact with the arc runners to compete a conducting path between the conductors. A secondary response mechanism is provided adjacent to the core and includes arms extending around the core and a magnetic body. In response to overcurrent conditions of a first magnitude the body of the secondary response mechanism is attracted to the core causing the arms to displace the spanner out of contact with the arc runners. In response to overcurrent conditions of a second magnitude, such as due to direct short circuits, the spanner is repelled rapidly to a non-conducting position and the secondary response mechanism is attracted to the core to hold the spanner in the non-conducting position. The core shapes an electromagnetic field due to current in the conductors and the field causes extremely rapid expansion of arcs generated during movement of the spanner, resulting in very fast extinction of the arcs and a very brief turnoff time.

    Apparatus for interrupting electrical power between two conductors
    2.
    发明授权
    Apparatus for interrupting electrical power between two conductors 失效
    用于中断两个导体之间电力的装置

    公开(公告)号:US5864453A

    公开(公告)日:1999-01-26

    申请号:US685895

    申请日:1996-07-18

    IPC分类号: H01H77/06 H01H77/10 H01H73/00

    CPC分类号: H01H77/10 H01H77/06

    摘要: A circuit interrupter provides a conducting path between two conductors and interrupts the conducting path in response to overcurrent conditions in the conductors. The interrupter includes a magnetic core around which the conductors are disposed. Each conductor is electrically coupled to an arc runner and a spanner is biased into contact with the arc runners to compete a conducting path between the conductors. A secondary response mechanism is provided adjacent to the core and includes arms extending around the core and a magnetic body. In response to overcurrent conditions of a first magnitude the body of the secondary response mechanism is attracted to the core causing the arms to displace the spanner out of contact with the arc runners. In response to overcurrent conditions of a second magnitude, such as due to direct short circuits, the spanner is repelled rapidly to a non-conducting position and the secondary response mechanism is attracted to the core to hold the spanner in the non-conducting position. The core shapes an electromagnetic field due to current in the conductors and the field causes extremely rapid expansion of arcs generated during movement of the spanner, resulting in very fast extinction of the arcs and a very brief turnoff time.

    摘要翻译: 电路断路器在两个导体之间提供导电路径,并响应于导体中的过电流条件中断导电路径。 断路器包括磁芯,导体布置在其周围。 每个导体电耦合到电弧流道并且扳手被偏置成与电弧流道接触以竞争导体之间的导电路径。 第二响应机构靠近芯部设置并且包括围绕芯部延伸的臂和磁体。 响应于第一幅度的过电流条件,次级响应机构的主体被吸引到芯部,使得臂使位移扳手脱离与电弧流道接触。 响应于第二量级的过电流条件,例如由于直接短路,扳手迅速地被排斥到非导通位置,并且次级响应机构被吸引到芯部以将扳手保持在不导通位置。 核心由于导体中的电流而形成电磁场,并且该场引起在扳手运动期间产生的电弧的极快的膨胀,导致电弧非常快速的消光和非常短的截止时间。

    Method for interrupting electrical power between two conductors
    3.
    发明授权
    Method for interrupting electrical power between two conductors 失效
    用于中断两个导体之间电力的方法

    公开(公告)号:US5587861A

    公开(公告)日:1996-12-24

    申请号:US536712

    申请日:1995-09-29

    摘要: A method for interrupting electrical power between two conductors is provided, including biasing an electrically conductive element into a conducting position between two contact regions of the conductors. The contact regions are preferably portions of arc runners coupled to the conductors. The conductors surround a magnetic core that generates an electromagnetic field due to current in the conductors. The conductive element is repelled to a non-conducting position by the electromagnetic field in response to an overcurrent condition in the conductors. A secondary response mechanism is moved in response to the overcurrent condition to maintain the conductive element in the non-conducting position. For more gradually occurring overcurrent conditions, the secondary response mechanism is attracted toward the core, displacing the conductive element to the non-conducting position. Arcs generated by movement of the conductive element are rapidly expanded under the influence of a magnetic field, thereby rapidly increasing the voltage opposing the fault current.

    摘要翻译: 提供了用于中断两个导体之间的电力的方法,包括将导电元件偏置到导体的两个接触区域之间的导电位置。 接触区域优选地是与导体耦合的电弧流道的部分。 导体围绕由于导体中的电流而产生电磁场的磁芯。 响应于导体中的过电流状况,导电元件被电磁场排斥到非导通位置。 二次响应机构响应于过电流条件移动以将导电元件保持在不导通位置。 对于逐渐发生的过电流条件,二次响应机构被吸引到芯部,将导电元件移位到非导通位置。 通过导电元件的移动产生的电弧在磁场的影响下迅速扩大,从而快速增加与故障电流相对的电压。

    Method and apparatus for interrupting a current carrying path in a
multiphase circuit
    4.
    发明授权
    Method and apparatus for interrupting a current carrying path in a multiphase circuit 失效
    用于中断多相电路中的载流路径的方法和装置

    公开(公告)号:US6028753A

    公开(公告)日:2000-02-22

    申请号:US994142

    申请日:1997-12-19

    IPC分类号: H01H71/10 H01H79/00 H02H3/00

    摘要: A multiphase circuit interrupter includes a plurality of power phase sections for establishing and interrupting electrical power carrying paths for a plurality of phases. Each power phase section includes first and second conductive regions which contact one another to complete the current carrying path for the phase. The second conductive region is movable to an interrupted position to interrupt the path. An interphase current carrying path is established between the power phase sections to conduct electrical energy between the sections following a trip event in any one of the sections. The interphase current carrying path may be established by a conductive element extending between the power phase sections. Channels may be formed in the interrupter housing between the power phase sections to communicate conductive plasma generated during separation of the contact regions from one another between the power phase sections. The electrical energy conducted between the sections increases the rate at which the arcs are extinguished, contributes to protection of the load downstream of the device and results in more rapid interruption of power through all power phase sections.

    摘要翻译: 多相电路断续器包括用于建立和中断多个相的电力输送路径的多个电力相位部分。 每个电力相位部分包括彼此接触以完成相位的电流承载路径的第一和第二导电区域。 第二导电区域可移动到中断位置以中断路径。 在电力相段之间建立相间电流承载路径,以在任何一个部分中的跳闸事件之后的部分之间传导电能。 相间电流承载路径可以由在功率相段之间延伸的导电元件建立。 可以在电源相部分之间的断路器壳体中形成通道,以在电力相部分之间的接触区域彼此间分离期间传导导电等离子体。 在这些部分之间传导的电能增加了电弧熄灭的速率,有助于保护装置下游的负载,并导致通过所有电力相部分更快速地中断电力。

    Method and apparatus for interrupting a current carrying path in a multiphase circuit
    5.
    发明授权
    Method and apparatus for interrupting a current carrying path in a multiphase circuit 有权
    用于中断多相电路中的载流路径的方法和装置

    公开(公告)号:US06208495B1

    公开(公告)日:2001-03-27

    申请号:US09409961

    申请日:1999-09-30

    IPC分类号: H02H300

    摘要: A multiphase circuit interrupter includes a plurality of power phase sections for establishing and interrupting electrical power carrying paths for a plurality of phases Each power phase section includes first and second conductive regions which contact one another to complete the current carrying path for the phase. The second conductive region is movable to an interrupted position to interrupt the path. An interphase current carrying path is established between the power phase sections to conduct electrical energy between the sections following a trip event in any one of the sections. The interphase current carrying path may be established by a conductive element extending between the power phase sections. Channels may be formed in the interrupter housing between the power phase sections to communicate conductive plasma generated during separation of the contact regions from one another between the power phase sections. The electrical energy conducted between the sections increases the rate at which the arcs are extinguished, contributes to protection of the load downstream of the device and results in more rapid interruption of power through all power phase sections.

    摘要翻译: 多相电路断续器包括用于建立和中断多相的电力输送路径的多个电力相位部分。每个电力相位部分包括彼此接触以完成相位的载流路径的第一和第二导电区域。 第二导电区域可移动到中断位置以中断路径。 在电力相段之间建立相间电流承载路径,以在任何一个部分中的跳闸事件之后的部分之间传导电能。 相间电流承载路径可以由在功率相段之间延伸的导电元件建立。 可以在电源相部分之间的断路器壳体中形成通道,以在电力相部分之间的接触区域彼此间分离期间传导导电等离子体。 在这些部分之间传导的电能增加了电弧熄灭的速率,有助于保护装置下游的负载,并导致通过所有电力相部分更快速地中断电力。