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    • 1. 发明申请
    • SAFETY DEVICE FOR A POWER TRANSFORMER, AND RELATED POWER TRANSFORMER USING SUCH A SAFETY DEVICE
    • 用于电力变压器的安全装置以及使用这种安全装置的相关电力变压器
    • WO2014012750A1
    • 2014-01-23
    • PCT/EP2013/063241
    • 2013-06-25
    • ABB TECHNOLOGY AG
    • TONIN, AndreaCAROLLO, CarloMANCO, Giuseppe Leonardo
    • H01H33/55
    • H01H33/555H01F2027/404H01H35/40H01H36/02H02H5/08
    • Safety device for a power transformer containing a cooling liquid, comprising: - a shaped body having an inner chamber which is suitable to be at least partially immersed in the cooling liquid and inside which gas can accumulate; - a first floating element and a second floating element suitable to be at least partially immersed in and moved by the cooling liquid; - switching means suitable to be actuated by the first floating element when the gas accumulated is such that the level of the cooling liquid in the inner chamber reaches a predetermined first threshold level and by the second floating element when the gas accumulated is such that the level of said cooling liquid in the inner chamber reaches a lower predetermined second threshold level, respectively. The first and second floating elements are mounted on and move linearly relative to one or more corresponding guiding supports.
    • 一种用于包含冷却液体的电力变压器的安全装置,包括: - 成形体,其具有适于至少部分地浸入冷却液体中并且其内部可积聚内部的内室; - 第一浮动元件和第二浮动元件,其适于至少部分地浸入冷却液体中并被冷却液体移动; - 当积聚的气体使得内室中的冷却液体的水平达到预定的第一阈值水平时,适合于由第一浮动元件致动的开关装置和当积聚的气体使得水平 所述内室中的所述冷却液分别达到较低的预定第二阈值水平。 第一和第二浮动元件相对于一个或多个相应的导向支架安装在其上并线性移动。
    • 3. 发明申请
    • LOW FORCE LOW OIL TRIP MECHANISM
    • 低强度低油层机械
    • WO2010065733A1
    • 2010-06-10
    • PCT/US2009/066573
    • 2009-12-03
    • COOPER TECHNOLOGIES COMPANYBRUSKY, Nicholas, Paul
    • BRUSKY, Nicholas, Paul
    • H01H75/00
    • H01H33/555
    • A circuit breaker for a transformer includes means for interrupting circuitry in the transformer upon a fault condition in the transformer (the "fault interruption means"). The circuit breaker also includes means for interrupting the circuitry when a level of dielectric fluid in a tank of the transformer is unacceptably low (the "low oil trip means"). The fault interruption means includes a magnet, metal element, and first actuator. Upon the fault condition, the magnet and metal element separate, moving the first actuator to cause the electrical circuitry to open. The low oil trip means includes a float, insulating rod, and second actuator. When the dielectric fluid level drops to an unacceptably low level, the float and insulating rod drop, moving the second actuator to cause the circuitry to open. The low oil trip means operates independently of the fault interruption means, opening the circuitry without separating the magnet and metal element.
    • 用于变压器的断路器包括用于在变压器的故障状态(“故障中断装置”)中断变压器中的电路的装置。 断路器还包括当变压器的箱中的介电流体的水位不可接受地低(“低油脱扣装置”)时中断电路的装置。 故障中断装置包括磁体,金属元件和第一致动器。 在故障状态下,磁体和金属元件分离,移动第一致动器以使电路打开。 低油脱扣装置包括浮子,绝缘杆和第二致动器。 当介质流体液位下降到不可接受的低水平时,浮子和绝缘杆下降,移动第二个致动器以使电路打开。 低油脱扣装置独立于故障中断装置工作,打开电路而不分离磁体和金属元件。
    • 5. 发明申请
    • CIRCUIT BREAKER FOR DISCONNECTING AN ELECTRICAL APPARATUS FROM ELECTRICAL NETWORK
    • 断路器用于从电气网络断开电气设备
    • WO98035419A1
    • 1998-08-13
    • PCT/FI1998/000103
    • 1998-02-04
    • H01H33/42H01H71/12H01H77/02H01H85/00H01H85/02H01H85/042H01H85/20H02H5/06H02H5/08H02H7/04
    • H01H71/122H01F27/402H01F38/38H01H33/555H01H35/18H01H35/32H01H2085/0291
    • The invention relates to a circuit breaker, which is in a fault situation arranged to disconnect an electrical apparatus, such as a distribution transformer, from an average voltage network or a high voltage network at each terminal. At least one lik-spring mechanism (9 to 12) is arranged at a shaft (6) of the circuit breaker for holding contacts (1, 2) live in connected position and for pushing them apart to the extreme disconnected position when disconnected, while the shaft (6) is brought over the dead spot of its turning. For an initial release, the shaft (6) is at each phase provided with a lever arm (8), each lever arm at each phase being arranged to turn by means of a trip pin (19) of a striker (18) of a high voltage fuse (17) the shaft (6) of the circuit breaker and thus the moving contacts (1) of all phases from said connected position over the dead spot of turning said shaft.
    • 本发明涉及一种断路器,其处于布置成将电气设备(例如配电变压器)从每个端子处的平均电压网络或高压网络断开的故障状态。 在断路器的轴(6)处布置有至少一个比例弹簧机构(9至12),用于将接触件(1,2)保持在连接位置并在断开时将其推到极端断开位置,同时 轴(6)被转过死角。 对于初始释放,轴(6)在每个相位处设置有杠杆臂(8),每个相位处的每个杠杆臂被布置成通过一个止动销(18)的跳闸销(19)转动, 高压保险丝(17)断路器的轴(6),从而将所有相的移动触点(1)从所述连接位置转过所述轴的死点。
    • 6. 发明申请
    • SUBSEA POWER DISTRIBUTION DEVICE AND SYSTEM
    • SUBSEA功率分配器件和系统
    • WO2015181166A1
    • 2015-12-03
    • PCT/EP2015/061586
    • 2015-05-26
    • FMC KONGSBERG SUBSEA AS
    • STRØMSVIK, Torbjørn
    • H02B13/00H01H33/55H01F27/40
    • H02B1/28H01F27/321H01F27/402H01H33/555H02B1/20H02B1/48H02B7/06H02G9/00H02H3/08H02H7/22
    • A subsea power distribution device and system. The subsea power distribution device comprises a first watertight housing accommodating at least one transformer, the transformer having a primary winding and at least one secondary winding; input terminals, electrically connected to a primary winding of the at least one transformer and arranged to be connected to a remote power supply. A plurality of output terminals are electrically connected to the at least one secondary winding, and switches are arranged to open and close the connections between each secondary winding and a corresponding output terminal, the switches being arranged within the first watertight housing. Each output terminal is further connected to an overcurrent breaking device which is further arranged to be connected to a subsea power consuming device. The overcurrent breaking device is arranged in a second watertight housing separate from the first watertight housing, and filled with insulating liquid.
    • 海底配电装置及系统。 海底配电装置包括容纳至少一个变压器的第一防水壳体,所述变压器具有初级绕组和至少一个次级绕组; 输入端子,电连接到所述至少一个变压器的初级绕组并被布置成连接到远程电源。 多个输出端子电连接到至少一个次级绕组,并且开关被布置成打开和关闭每个次级绕组和相应的输出端子之间的连接,开关布置在第一防水壳体内。 每个输出端子还连接到过电流断路装置,该过电流断路装置还被布置成连接到海底电力消耗装置。 过电流断路装置设置在与第一水密外壳分离的第二水密外壳中,并填充有绝缘液体。
    • 8. 发明申请
    • FLOW ADJUSTMENT ARRANGEMENT FOR A BUCHHOLZ RELAY
    • BUCHHOLZ继电器的流量调整装置
    • WO2009019732A1
    • 2009-02-12
    • PCT/IT2008/000512
    • 2008-07-29
    • COMEM S.P.ADAL LAGO, Silvio
    • DAL LAGO, Silvio
    • H01H33/55H01H36/02H01H35/40
    • H01H35/405H01H33/555H01H36/02
    • A Buchholz relay (1) for comprising a support frame (2) in contact with the oil, drive means (3) coupled to the support frame (2), switching means (4), operatively connected with the drive means (3) and suitable for an alarm circuit and/or a shutdown circuit of the electrical equipment, a regulation valve (5) of the oil flow, coupled to the support frame (2), suitable to be affected by the oil flow in order to define a first position in which it disables the shutdown circuit and a second position in which, if the oil discharge exceeds a certain threshold, it enables the shutdown circuit. The Buchholz relay (1) also includes biasing means associated with the support frame (2) and with the valve (5) to keep the latter in the first position.
    • 一种用于包括与油接触的支撑框架(2)和联接到支撑框架(2)的驱动装置(3)的布氏体继电器(1),与驱动装置(3)可操作地连接的开关装置(4) 适用于电气设备的报警电路和/或关闭电路,耦合到支撑框架(2)的油流的调节阀(5),其适于受到油流的影响,以便限定第一 其停止关闭电路的位置和第二位置,其中如果排油超过某个阈值,则启用关闭电路。 Buchholz继电器(1)还包括与支撑框架(2)相关联的偏压装置和阀(5),以将其保持在第一位置。
    • 9. 发明申请
    • TRANSFORMER CONSERVATOR ISOLATION VALVE (TCIV)
    • 变压器隔离阀(TCIV)
    • WO2007057917A1
    • 2007-05-24
    • PCT/IN2006/000129
    • 2006-04-13
    • CTR MANUFACTURING INDUSTRIES LIMITEDWAKCHAURE, V., K.
    • WAKCHAURE, V., K.
    • H01F27/14F16K15/18
    • F16K15/181H01F27/14H01H33/555H01H35/40Y10T137/7323
    • A Transformer Conservator Isolation Valve, (TCIV) comprising of an inlet conduit or pipe (2), outlet conduit, or pipe (5) connected to a rectangular housing (7) with an operating device. (10) fixed on a shaft (19) placed inside, the rectangular housing (7) and lever (9) for locking of the operating device (10); the said operating device (10) is provided with a scaling gasket (20) fitted such that during flow of oil due to rupture of electrical transformer tank or bursting of electrical transformer bushing or draining of oil swings towards the outlet conduit or pipe (5) so as to restrict flow of oil from the electrical transformer conservator (1) to the electrical transformer tank (4), during filtration or filling or refilling, a handle (8) is provided with the operating device (10) outside the rectangular housing (7) which turns anti-clockwise during operation, the operating device (10) does not restrict flow of oil from the electrical transformer Conservator (1) during filtration or filling or refilling, two locking plates (13 and 14) provided outside the rectangular housing.
    • 变压器保护器隔离阀(TCIV)包括通过操作装置连接到矩形壳体(7)的入口导管或管道(2),出口导管或管道(5)。 (10)固定在放置在内部的轴(19)上,矩形壳体(7)和用于锁定操作装置(10)的杆(9); 所述操作装置(10)设置有缩放垫圈(20),所述缩放垫圈(20)装配成使得在由于电力变压器箱的破裂或电变压器衬套的破裂或油摆动向出口导管或管道(5)排出的油流动期间, 以便在过滤或填充或再填充期间限制油从变压器储油柜(1)向电力变压器箱(4)的流动,手柄(8)在矩形壳体外部设有操作装置(10) 7),其在操作期间逆时针旋转,在过滤或填充或再填充期间,操作装置(10)不限制来自变压器保护器(1)的油流,设置在矩形壳体外部的两个锁定板(13和14) 。