公开(公告)号：WO2013178447A1

公开(公告)日：2013-12-05

申请号：PCT/EP2013/059671

申请日：2013-05-08

Applicant: ABB TECHNOLOGY AG

Inventor： MANCO, Giuseppe, Leonardo ,  CAROLLO, Carlo ,  TONIN, Andrea

IPC: H01F27/40

CPC classification number: H01F27/12 ,  H01F27/402 ,  H01F2027/404 ,  H01H33/555 ,  H01H35/40

Abstract: Safety device for electrical transformers, comprising: - a casing provided with an internal chamber suitable to be connected in hydraulic communication with an oil-containing vessel and an oil-containing conservator of an associated electrical transformer, for oil flowing through said internal chamber between the vessel and the conservator; - a first oil outflow detecting vane which is movably connected to the casing and is arranged along the path of the oil flow, the first oil outflow detecting vane being suitable to move from a rest position when oil outflows from the vessel with an oil speed greater than an alarm oil speed threshold; - a second oil outflow detecting vane which is movably connected to the casing and is arranged along the path of the oil flow, the second oil outflow detecting vane being suitable to move from a rest position when oil outflows from the vessel with an oil speed greater than a safety oil speed threshold, wherein the safety oil speed threshold being greater the said alarm oil speed threshold; - first detection means for detecting a movement of the first oil outflow detecting vane from its rest position, the first detection means being suitable to be connected to alarm means for signalling when the detected movement of the first oil outflow detecting vane from its rest position exceeds the alarm oil speed threshold; - second detection means for detecting a movement of the second oil outflow detecting vane from its rest position, the second detection means being suitable to cause the intervention of a circuit breaker device suitable to disconnect the electrical transformer from an associated power grid when the detected movement of the second oil outflow detecting vane from its rest position exceeds the safety oil speed threshold.

Abstract translation: 一种电气变压器用安全装置，其特征在于，包括：壳体，其具有适于与含油容器液压连通的内部室和相关电变压器的含油储存器，用于通过所述内部室 船只和储物柜; - 第一油流出检测叶片，其可移动地连接到壳体并且沿着油流的路径布置，第一油流出检测叶片适合于当油以较大的油速从容器流出时从静止位置移动 比报警油速度阈值高; - 第二油流出检测叶片，其可移动地连接到所述壳体并且沿着所述油流的路径布置，所述第二油流出检测叶片适于在油以较大的油速从所述容器流出时从静止位置移动 其中所述安全油速度阈值大于所述报警油速阈值; - 第一检测装置，用于检测第一油流出检测叶片从其静止位置的移动，第一检测装置适于连接到报警装置，用于当检测到的第一油流出检测叶片从其静止位置的移动超过 报警油速度阈值; - 第二检测装置，用于检测第二油流出检测叶片从其静止位置的运动，第二检测装置适于使断路器装置的介入适合于在检测到的运动时将电变压器与相关联的电网断开 的第二出油检测叶片从其静止位置超过安全油速阈值。

公开(公告)号：WO2015049144A1

公开(公告)日：2015-04-09

申请号：PCT/EP2014/070406

申请日：2014-09-24

Applicant: ABB TECHNOLOGY AG

Inventor： TONIN, Andrea ,  CAROLLO, Carlo ,  MANCO, Giuseppe Leonardo

IPC: H01F27/40 ,  H01F27/14 ,  G01L19/08 ,  H02H5/08

CPC classification number: H01F27/402 ,  G01L19/0627 ,  G01L19/147 ,  H01F27/14 ,  H01F2027/404 ,  H02H5/04 ,  H02H5/06 ,  H02H5/08

Abstract: Safety device (100) for an electric transformer (101) comprising a tank (102) containing a fluid (103), comprising: • - a shaped body (1) for connection to the transformer tank; • - a plurality of sensing means (10; 13, 17, 18, 19) configured to output signals indicative of a corresponding plurality of transformer parameters; • - an electronic unit (20) which is positioned inside the shaped body and is in operative communication with the plurality of sensing means, the electronic unit being configured to elaborate, based on the signals output by the plurality of sensing means, data related to the corresponding plurality of transformer parameters. The sensing means comprise a first reservoir (11) positioned inside the shaped body and is suitable to be at least partially filled with the transformer fluid, optical means (12, 13) operatively associated with the first reservoir for optically sensing the level of the fluid, and a second reservoir (14) which is in hydraulic communication with the first reservoir and is suitable to be at least partially filled with the fluid. The second reservoir (14) is positioned at least partially external to the shaped body and is configured so as to make externally visible the level of fluid contained inside it.

Abstract translation: 一种用于电变压器（101）的安全装置（100），包括：包含流体（103）的罐（102），包括： - 用于连接到变压器箱的成形体（1） 多个感测装置（10; 13,17,18,19）被配置为输出指示对应的多个变压器参数的信号; •电子单元（20），其位于所述成形体内并且与所述多个感测装置操作性地通信，所述电子单元被配置为基于由所述多个感测装置输出的信号来精细化与 相应的多个变压器参数。 感测装置包括位于成形体内部的第一储存器（11），并且适于至少部分地填充有变压器流体，与第一储存器可操作地相关联的光学装置（12,13），用于光学感测流体的水平 ，以及第二储存器（14），其与所述第一储存器液压连通并且适于至少部分地填充有所述流体。 第二储存器（14）至少部分地定位在成形体的外部，并且被构造成使得外部可见包含在其内的流体的水平。

公开(公告)号：WO2012089235A1

公开(公告)日：2012-07-05

申请号：PCT/EP2010/070757

申请日：2010-12-27

Applicant: ABB TECHNOLOGY AG ,  CAROLLO, Carlo ,  TONIN, Andrea ,  DALLA VECCHIA, Moreno Giovanni

Inventor： CAROLLO, Carlo ,  TONIN, Andrea ,  DALLA VECCHIA, Moreno Giovanni

IPC: G01F23/38 ,  H01F27/14

CPC classification number: G01F23/38 ,  H01F27/14

Abstract: An oil level indicator comprising a float connected to a rod which are suitable to move within an oil filled vessel of an associated power equipment; a magnet is connected to the rod, and a magnetic sensor is provided in front of the magnet 6 for detecting a change or variation of the magnetic field provided by the magnet when the float 1 and the rod 2 move due to a change of the oil level inside the vessel. The magnetic sensor comprises a microchip set inside an electronic board (7) for giving a digital output indicative of the change of oil level inside the vessel.

Abstract translation: 油位指示器，包括连接到杆的浮子，其适于在相关联的动力设备的充满油的容器内移动; 磁铁连接到杆上，并且在磁体6的前方设置有磁性传感器，用于当浮子1和杆2由于油的变化而移动时检测由磁体提供的磁场的变化或变化 船内水平。 磁传感器包括在电子板（7）内的微芯片组，用于给出指示容器内的油位变化的数字输出。

公开(公告)号：WO2014012750A1

公开(公告)日：2014-01-23

申请号：PCT/EP2013/063241

申请日：2013-06-25

Applicant: ABB TECHNOLOGY AG

Inventor： TONIN, Andrea ,  CAROLLO, Carlo ,  MANCO, Giuseppe Leonardo

IPC: H01H33/55

CPC classification number: H01H33/555 ,  H01F2027/404 ,  H01H35/40 ,  H01H36/02 ,  H02H5/08

Abstract: 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.

Abstract translation: 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。

公开(公告)号：WO2013013703A1

公开(公告)日：2013-01-31

申请号：PCT/EP2011/062760

申请日：2011-07-25

Applicant: ABB TECHNOLOGY AG ,  CAROLLO, Carlo ,  TONIN, Andrea ,  RAMPONI, Emanuele

Inventor： CAROLLO, Carlo ,  TONIN, Andrea ,  RAMPONI, Emanuele

IPC: H01F27/14 ,  H01F27/40

CPC classification number: H01F27/402 ,  H01F27/12 ,  H01F2027/404

Abstract: A safety apparatus suitable to be associated to and a method for monitoring a liquid-filled power transformer wherein there is provided a sensing device associated to an electronic unit. The sensing device is suitable to be at least partially immersed into the liquid and comprises at least one movable part displaceable by movements of the liquid; the electronic unit detects signals indicative of the actual position of the movable part and is arranged to elaborate, based on the detected signals, data related to actual conditions of the transformer and/or of its cooling liquid.

Abstract translation: 一种适于与液体填充的电力变压器相关联的安全装置和一种用于监测充满液体的电力变压器的方法，其中提供了与电子单元相关联的感测装置。 感测装置适于至少部分地浸入液体中，并且包括至少一个可通过液体移动而移动的可移动部件; 电子单元检测表示可移动部件的实际位置的信号，并且基于检测到的信号来布置，以便详细说明与变压器和/或其冷却液体的实际状况相关的数据。

公开(公告)号：WO2012143285A1

公开(公告)日：2012-10-26

申请号：PCT/EP2012/056655

申请日：2012-04-12

Applicant: ABB TECHNOLOGY AG ,  CAROLLO, Carlo ,  TONIN, Andrea

Inventor： CAROLLO, Carlo ,  TONIN, Andrea

IPC: B01D53/26 ,  B01D53/04 ,  H01F27/14

CPC classification number: B01D53/261 ,  B01D53/0446 ,  B01D2253/106 ,  B01D2257/80 ,  B01D2258/06 ,  B01D2259/40096 ,  H01F27/14

Abstract: Air dehydrating breather assembly and method for providing dehumidifying air suitable to be supplied into oil expansion vessels used in electrical devices, comprising first and second air demoisturizer units associated to two corresponding oil expansion vessels. The first air demoisturizer unit comprises a first tank and a second tank housing moisture absorbing means and alternatively providing dehumidified air; the second air demoisturizer unit comprises a third tank housing moisture absorbing means and providing dehumidified air. Sensors are associated to the first, second and third tanks in order to detect the level of saturation of their moisture absorbing means. Electronic means are operatively associated to the sensors for routing dehumidified air to the associated oil-expansion vessels from the tanks whose moisture absorbing means are not saturated.

Abstract translation: 空气脱水呼吸器组件和用于提供适合于供应到电气设备中使用的油膨胀容器中的除湿空气的方法，包括与两个相应的油膨胀容器相关联的第一和第二空气净化器单元。 第一空气净化器单元包括第一罐和第二罐壳体吸湿装置，并且交替地提供除湿空气; 第二空气净化器单元包括第三罐壳体吸湿装置并提供除湿空气。 传感器与第一，第二和第三罐相关联，以便检测其吸湿装置的饱和度。 电子装置与传感器可操作地相关联，用于将除湿空气从吸湿装置不饱和的槽路路由到相关联的油膨胀容器。