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1. 发明申请

WO2015049144A1 SAFETY DEVICE FOR AN ELECTRIC TRANSFORMER, AND RELATED ELECTRIC TRANSFORMER USING SUCH A SAFETY DEVICE 审中-公开
标题翻译：一种用于电力变压器的安全装置和使用这种安全装置的相关电力变压器
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
申请人： ABB TECHNOLOGY AG
发明人： TONIN, Andrea , CAROLLO, Carlo , MANCO, Giuseppe Leonardo
IPC分类号： H01F27/40 , H01F27/14 , G01L19/08 , H02H5/08
CPC分类号： H01F27/402 , G01L19/0627 , G01L19/147 , H01F27/14 , H01F2027/404 , H02H5/04 , H02H5/06 , H02H5/08
摘要： 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.
摘要翻译：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。

2. 发明申请

WO2014012750A1 SAFETY DEVICE FOR A POWER TRANSFORMER, AND RELATED POWER TRANSFORMER USING SUCH A SAFETY DEVICE 审中-公开
标题翻译：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
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
申请人： ABB TECHNOLOGY AG
发明人： TONIN, Andrea , CAROLLO, Carlo , MANCO, Giuseppe Leonardo
IPC分类号： H01H33/55
CPC分类号： H01H33/555 , H01F2027/404 , H01H35/40 , H01H36/02 , H02H5/08
摘要： 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.
摘要翻译：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。

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