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    • 51. 发明公开
    • Electromagnetic actuator
    • Elektromagnetischer Aktor
    • EP2600361A1
    • 2013-06-05
    • EP11191035.2
    • 2011-11-29
    • Eaton Industries (Netherlands) B.V.
    • Lammers, Arend
    • H01F7/16H01H33/666
    • H01H36/00H01F7/1615H01H33/6662H01H51/01H01H51/22H01H51/2209H01H53/015H01H2036/0086
    • The invention relates to an electromagnetic actuator for operating at least one movable contact of a switch into a switched-on position or a switched-off position, wherein the electromagnetic actuator comprises:
      - a static pole body;
      - a movable pole body movable relative to the static pole body;
      - a first magnetic circuit comprising a first coil for making the movable pole body and the fixed pole body move towards each other to a switched-on position and a second coil for making the movable pole body and the fixed pole body move away from each other to a switched-off position; and
      - a second magnetic circuit comprising a permanent magnet and a retaining plate to keep the static pole body and the movable pole body in the switched-on position;
      - first spring means for urging the static pole body and the movable body away from each other;
      wherein the first and second magnetic circuit are arranged concentrically.
    • 本发明涉及一种电磁致动器,用于将开关的至少一个活动触点操作到接通位置或断开位置,其中所述电磁致动器包括:静止极体; - 相对于静极本体可移动的可动极体; - 第一磁路,包括用于使可动磁极体和固定磁极体彼此相对移动到接通位置的第一线圈和用于使可动磁极体和固定磁极体彼此远离的第二线圈 到关闭位置; 以及 - 第二磁路,包括永磁体和保持板,以将静极体和可动极体保持在接通位置; - 用于将静极体和可移动体彼此远离的第一弹簧装置; 其中所述第一和第二磁路同心地布置。
    • 56. 发明公开
    • SWITCHING INSTALLATION WITH ARC PROTECTION AND ARC PROTECTION METHOD
    • 开关安装与电弧保护和电弧保护方法
    • EP2340591A1
    • 2011-07-06
    • EP09815692.0
    • 2009-09-25
    • Eaton Industries (Netherlands) B.V.
    • LAMMERS, ArendNITERT, Gerhardus
    • H02B13/025
    • H02B13/025H02B13/01
    • A switching installation (5) including a gas-filled enclosure (30) having an input conductor (33), an actuator (50) and an arc initiator (43, 51, 52). The actuator (50) is arranged to actuate the arc initiator (43, 51, 52) upon the occurrence of a first arc (62) with a first length in the enclosure (30). The arc initiator (43, 51, 52) creates, upon being actuated, a path for a second arc (68) of a second length, the second length being shorter than the first length. The actuator (50) can be arranged to react on an increase in pressure in the enclosure (30) upon the occurrence of the first arc (62). The gas can be air or SF6. The arc initiator (43, 51, 52) can create, upon being actuated, the path for the second arc (68) through a section (43) of a solid cable insulation (42) isolating the input conductor (33) from the enclosure (30).
    • 包括具有输入导体(33),致动器(50)和电弧启动器(43,51,52)的充气外壳(30)的开关装置(5)。 致动器(50)布置成当在外壳(30)中出现具有第一长度的第一弧(62)时致动引弧器(43,51,52)。 电弧启动器(43,51,52)在被致动时形成用于第二长度的第二弧(68)的路径,第二长度比第一长度短。 致动器(50)可以被布置成在发生第一弧(62)时对外壳(30)中的压力增加作出反应。 气体可以是空气或SF6。 引弧器(43,51,52)可以在被致动时形成用于第二电弧(68)的路径通过将输入导体(33)与外壳隔离的实心电缆绝缘层(42)的部分(43) (30)。
    • 57. 发明公开
    • Cable test facility for switchgear
    • KabelprüfeinrichtungfürSchaltanlagen
    • EP2336795A1
    • 2011-06-22
    • EP09180020.1
    • 2009-12-18
    • Eaton Industries (Netherlands) B.V.
    • Lammers, ArendNitert, GerhardusBalm-van Tilborg, Edith
    • G01R31/327
    • G01R31/021G01R31/3271H02B11/28H02B13/075
    • The invention provides for a medium voltage switchgear connectable to an electrical cable (6), comprising an enclosure (7) provided with a opening (3) for introducing a test electrode (24) into the enclosure (7), a cable test contact (25) which is located inside of the enclosure (7), wherein the cable test contact (25) is electrically connectable with the cable (6), and earthing means (26) for earthing the cable test contact (25) in an earthed position of the switchgear, wherein the earthing means (26) are removable from the earthed position into a test position of the switchgear in which the cable test contact (25) is disconnected from earth (32), wherein the earthing means (26) comprise a movable earthing element (26) which extends between the cable test contact (25) and the opening (3) in the enclosure (7), and wherein the earthing element (26) is hollow for receiving the test electrode (24).
    • 本发明提供一种可连接到电缆(6)的中压开关设备,包括设有用于将测试电极(24)引入外壳(7)的开口(3)的外壳(7),电缆测试触点 25)位于所述外壳(7)内部,其中所述电缆测试触头(25)可与所述电缆(6)电连接,以及接地装置(26),用于将所述电缆测试触头(25)接地于接地位置 ,其中所述接地装置(26)可从所述接地位置移动到所述开关装置的测试位置,在所述测试位置中,所述电缆测试接触器(25)与所述接地装置(32)断开,其中所述接地装置(26)包括 可移动接地元件(26),其在电缆测试接触件(25)和外壳(7)中的开口(3)之间延伸,并且其中接地元件(26)是中空的,用于容纳测试电极(24)。
    • 58. 发明公开
    • Removal method and tool for switching apparatus
    • Entfernungsverfahren und -werkzeugfürSchaltvorrichtung
    • EP2251946A1
    • 2010-11-17
    • EP09159924.1
    • 2009-05-11
    • Eaton Electric B.V.
    • Nitert, Gerhardus LeonardusLammers, Arend Jan WillemSchoten, Frederik Paul
    • H02B3/00
    • H02B3/00
    • The invention relates to a method for removing an electrical switching apparatus from a switchgear having a primary circuit, comprising moving the switching apparatus from an initial position in which it is connected to the primary circuit of the switchgear to a final position in which it is disconnected and located outside of the switchgear, and transferring the switching apparatus from a lying arrangement to an upright arrangement while moving it from the initial position to the final position; as well as a tool for removal of an electrical switching apparatus from a switchgear, comprising a support structure adapted to be disposed adjacent to the switchgear, and a guide mounted on the support structure, in which the guide comprises a curved guide member which is adapted to support the switching apparatus from an initial lying arrangement to a final upright arrangement.
    • 本发明涉及一种从具有初级电路的开关装置中去除电气开关装置的方法,包括将开关装置从初始位置移动到开关装置的初始位置,该初始位置与开关装置的初级电路连接到其断开的最终位置 并且位于开关装置的外部,并且将切换装置从平躺装置转移到直立装置,同时将其从初始位置移动到最终位置; 以及用于从开关装置移除电气开关装置的工具,包括适于邻近开关装置设置的支撑结构,以及安装在支撑结构上的导向件,其中导向件包括弯曲导向构件,该导向构件适于 以将开关装置从初始放置布置支撑到最终直立布置。
    • 59. 发明公开
    • Combined toroid/shunt measuring device
    • KOMBINIERTE RINGSPULE- / NEBENSCHLUSS-MESSVORRICHTUNG
    • EP2219040A1
    • 2010-08-18
    • EP10165231.1
    • 2002-06-07
    • Eaton Electric Limited
    • Murray, Martin AnthonyCrosier, Mark DavidReeder, Brian Martin
    • G01R19/25G01R15/14G01R19/00G01R19/165
    • G01R15/146G01R19/0084G01R19/0092G01R19/16547G01R19/20G01R19/2513
    • A measuring device for an electrical installation is supplied with an AC supply via a neutral conductor (3) and at least one live conductor (2), The device comprises a toroidal transformer detector (1,4) for generating a residual current signal in response to a detected residual current in the electrical installation. A shunt resistor detector (6a-6d) is operative for generating respective current signals indicative of current detected in the neutral conductor (3) and each of the at least one live conductors (2). A processor means (13) for generating a trip signal indicative of the presence of a residual current fault in dependence on the residual current signal and/or the respective current signals detected is also provided. The device may further comprise a circuit breaker (15, 16) operative to break the AC supply in response to the trip signal.
    • 用于电气设备的测量装置通过中性导体(3)和至少一个带电导体(2)与AC电源一起提供。该装置包括用于响应地产生剩余电流信号的环形变压器检测器(1,4) 到电气设备中的检测到的剩余电流。 分流电阻检测器(6a-6d)用于产生指示在中性导体(3)中检测的电流和至少一个带电导体(2)中的每一个的相应电流信号。 一种用于根据剩余电流信号和/或检测到的相应电流信号产生指示存在剩余电流故障的跳闸信号的处理器装置(13)。 该装置可以进一步包括断路器(15,16),其可操作以响应于跳闸信号中断AC电源。