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公开(公告)号：EP2293402A1
公开(公告)日：2011-03-09
申请号：EP09460041.8
申请日：2009-09-07
申请人： ABB Research Ltd.
摘要： The subject of the invention is a protective system for voltage transformers, finding application in the attenuation of ferroresonant states occurring in voltage transformers in high and medium voltage grids. A protecting system for voltage transformers comprising a damping burden (3) connected into an open delta system of three auxiliary secondary windings of three single-phase transformers (VT1, VT2, VT3), which is activated and deactivated by a switching element (2) connected in series with the damping burden (3). The protective system is characterised in that the switching element (2) has a control input (C) connected to an output of control means suitable for controlling a time sequence of deactivating the damping burden (3) by controlling the conductive and nonconductive states of the switching element (2).
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2.发明公开A device for suppressing high frequency current or/and voltage components 审中-公开安排抑制高频电流的部件和/或高频率的电压分量
公开(公告)号：EP1895550A1
公开(公告)日：2008-03-05
申请号：EP06460030.7
申请日：2006-08-30
申请人： ABB RESEARCH LTD.
CPC分类号： H01F37/00 , H01B17/005 , H01F3/10 , H01F2017/065 , H03H2001/0092
摘要： The subject of the invention is a device for suppressing high frequency current or/and voltage components, applicable in protecting electrical equipment, especially against the effects of overvoltage in electrical power networks and stations. The inventive device is characterised in that it contains a series impedance element which is at least one magnetic core reactor whose magnetic circuit comprises at least two active parts on which the reactor windings are wound, which are connected with each other in series and anti-parallel.
摘要翻译： 本发明的主题是用于抑制高频电流和/或电压分量，适用于保护电气设备，特别是爱过压的在电力网络和站的影响的装置。 本发明的装置是DASS它包含一个串联阻抗元件的所有其是至少一个磁芯反应器谁的磁路包括其上反应器绕组缠绕至少两个活性部分，分别是串联和反并联相互连接 ，
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公开(公告)号：EP2293401B1
公开(公告)日：2018-09-12
申请号：EP09014871.9
申请日：2009-12-01
申请人： ABB Research Ltd.
摘要： The subject of the invention is a protective system for voltage transformers, finding application in the attenuation of ferroresonant states occurring in voltage transformers in high and medium voltage grids. A protecting system for voltage transformers comprising a damping burden (3) connected into an open delta system of three auxiliary secondary windings of three single-phase transformers (VT1, VT2, VT3), which is activated and deactivated by a switching element (2) connected in series with the damping burden (3). The protective system is characterised in that the switching element (2) has a control input (C) connected to an output of control means suitable for controlling a time sequence of deactivating the damping burden (3) by controlling the conductive and nonconductive states of the switching element (2).
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公开(公告)号：EP2128950B1
公开(公告)日：2013-01-16
申请号：EP08460019.6
申请日：2008-05-29
申请人： ABB Research Ltd.
发明人： Piasecki, Wojciech
IPC分类号： H02H9/00
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公开(公告)号：EP2400510A1
公开(公告)日：2011-12-28
申请号：EP10167484.4
申请日：2010-06-28
申请人： ABB Research Ltd.
发明人： Donzel, Lise , Carlen, Martin , Sahlen, Fredrik , Jonsson, Jonas , Piasecki, Wojciech , Schaal, Stéphane , Schmidt, Lars E.
CPC分类号： H01F27/2885 , H01F27/2847 , H01F27/324 , H01F27/327 , H01F27/362 , H01F2027/328
摘要： The present invention relates to the shielding of coils of transformers, in particular to a coil for a transformer, a transformer with a coil, and a method of manufacturing a coil for a transformer.
A coil (100) for a transformer with a coil body (102) is provided. The coil body (102) comprises a conductor (201). A first insulation material (203) is attached to the conductor (201). A conductive electric shielding device arrangement (200) is provided for reducing the maximum strength of an electric field generated in the coil (100) or for smoothing the field generated by each coil body (102) of a plurality of coil bodies (102).摘要翻译： 本发明涉及变压器线圈的屏蔽，特别涉及用于变压器的线圈，具有线圈的变压器以及制造用于变压器的线圈的方法。 提供一种用于具有线圈体（102）的变压器的线圈（100）。 线圈体（102）包括导体（201）。 第一绝缘材料（203）附接到导体（201）。 提供一种导电屏蔽装置（200），用于降低在线圈（100）中产生的电场的最大强度或平滑由多个线圈体（102）的每个线圈体（102）产生的场。
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6.发明公开Power supply unit for protective devices that reduces medium voltage 审中-公开Spannungsreduzierende WechselstromversorgungseinheitfürNetzschutzgeräteam Mittelspannungsnetz
公开(公告)号：EP2365618A1
公开(公告)日：2011-09-14
申请号：EP10460009.3
申请日：2010-03-08
申请人： ABB Research Ltd.
CPC分类号： H02M1/00 , H01B17/005
摘要： The invention deals with an AC power supply unit that reduces voltage for electric power equipment applicable in power distribution systems. The inventive device comprises at least one capacitor (2) which is connected into a transmission line (7) and which is connected in series with the grounded primary winding (5) of a transformer (3) whose secondary winding (6) is connected with the terminals of a protective device (8) connected into the receiver circuit (9) of the power system.
摘要翻译： 本发明涉及一种能够降低适用于配电系统的电力设备的电压的交流电源单元。 本发明的装置包括至少一个连接到传输线（7）中并与次级绕组（6）连接的变压器（3）的接地初级绕组（5）串联连接的电容器（2） 连接到电力系统的接收器电路（9）中的保护装置（8）的端子。
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7.发明公开A device protecting against high frequency overvoltage 审中-公开Vorrichtung，die gegen Hochfrequenz-Überspannungschützt
公开(公告)号：EP2287990A1
公开(公告)日：2011-02-23
申请号：EP09460036.8
申请日：2009-08-18
申请人： ABB Research Ltd.
CPC分类号： H02H9/044 , H01B17/005 , H02H9/007
摘要： The subject of the invention is a device protecting against high frequency overvoltage, comprising a solenoid conductive connector (1), designed for suppressing high frequency current and voltage components, applicable in the protection of electric equipment working in electric power networks, and especially in electric substations. The device protecting against high frequency overvoltage comprises a conductive connector (1) designed to be connected in series into the current path of an electric power system as a section of the current path. The conductive connector (1) contains an induction coil (2) connected in parallel with a resistor (3), located in a common insulating housing (8). The inventive device is characterized in that the induction coil (2) through one of the external conductive terminals (6) or (7) is connected with a capacitive device (14) or (14') of the electric power system, which causes that the conductive connector (1) functions as a low pass filter, whereas the other external conductive terminal (6) or (7) respectively, is connected with an auxiliary device (16), connected into the current path circuit.
摘要翻译： 本发明的目的是防止高频过电压的装置，包括一个螺线管导电连接器（1），其设计用于抑制高频电流和电压部件，适用于在电力网络中工作的电气设备的保护，特别是在电力 变电站。 防止高频过电压的装置包括设计成串联连接到作为电流路径的一部分的电力系统的电流路径的导电连接器（1）。 导电连接器（1）包含与位于公共绝缘壳体（8）中的电阻器（3）并联连接的感应线圈（2）。 本发明的装置的特征在于，通过外部导电端子（6）或（7）中的一个的感应线圈（2）与电力系统的电容性装置（14）或（14'）连接，这导致 导电连接器（1）用作低通滤波器，而另一个外部导电端子（6）或（7）分别连接到连接到电流路径电路中的辅助装置（16）。
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公开(公告)号：EP2128950A1
公开(公告)日：2009-12-02
申请号：EP08460019.6
申请日：2008-05-29
申请人： ABB Research Ltd.
发明人： Piasecki, Wojciech
IPC分类号： H02H9/00
摘要： The subject of the invention is a protection system for voltage transformers, finding application in the attenuation of ferroresonant states occurring in voltage transformers in high and medium voltage grids. The system according to the invention contains a ferroresonance detection circuit (3), connected to the terminals of the secondary winding of the voltage transformer (2) and in parallel with a damping circuit (4), containing a switching means (6) connected in series with a damping burden (7). The system according to the invention contains a control block (5) connected to the switching means (6), characterised by that the control block (5) contains a PWM (Pulse Width Modulation) generator.
摘要翻译： 本发明的主题是用于电压互感器的保护系统，用于在高压和中压电网中的电压互感器中发生的铁分散状态的衰减。 根据本发明的系统包括铁电谐振检测电路（3），其连接到电压互感器（2）的次级绕组的端子并与阻尼电路（4）并联，该阻尼电路包含连接在开关装置 系列具有阻尼负载（7）。 根据本发明的系统包括连接到开关装置（6）的控制块（5），其特征在于控制块（5）包含PWM（脉宽调制）发生器。
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公开(公告)号：EP2293401A1
公开(公告)日：2011-03-09
申请号：EP09014871.9
申请日：2009-12-01
申请人： ABB Research Ltd.
摘要： The subject of the invention is a protective system for voltage transformers, finding application in the attenuation of ferroresonant states occurring in voltage transformers in high and medium voltage grids. A protecting system for voltage transformers comprising a damping burden (3) connected into an open delta system of three auxiliary secondary windings of three single-phase transformers (VT1, VT2, VT3), which is activated and deactivated by a switching element (2) connected in series with the damping burden (3). The protective system is characterised in that the switching element (2) has a control input (C) connected to an output of control means suitable for controlling a time sequence of deactivating the damping burden (3) by controlling the conductive and nonconductive states of the switching element (2).
摘要翻译： 本发明的主题是一种用于电压互感器的保护系统，可应用于高压和中压电网中电压互感器中发生的铁磁谐振状态的衰减。 一种用于电压互感器的保护系统，包括连接到三个单相变压器（VT1，VT2，VT3）的三个辅助次级绕组的开放三角形系统中的阻尼负载（3），所述三个单相变压器由开关元件（2） 与阻尼负载（3）串联连接。 该保护系统的特征在于，开关元件（2）具有连接到控制装置的输出端的控制输入端（C），控制装置适于通过控制阻尼负载（3）的导通状态和非导通状态来控制去激活阻尼负载 开关元件（2）。
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公开(公告)号：EP2194540A1
公开(公告)日：2010-06-09
申请号：EP08460046.9
申请日：2008-12-08
申请人： ABB Research Ltd.
CPC分类号： H01B17/005 , H03H7/0107 , H03H7/38
摘要： The subject of the invention is a high voltage bushing finding application in conducting electric current from the outer environment to the inside of a piece of electrical power equipment through the walls of such equipment. The high voltage bushing (1) is fixed to the wall of the piece of electrical power equipment (2) and it contains an insulating body (3) in which there is a serial impedance element (4) connected with an outer phase conductor (5) and with a bushing terminal (6). The characteristic feature of the inventive bushing is that the serial impedance element (4) is placed in the insulating material of the insulating body (3) and has the form of an RL circuit comprising an induction coil (9) and a resistor (10) connected with it in parallel, and the bushing terminal (6) is connected to one terminal of at least one capacitive capacitor (7) located in the insulating material of the insulating body (3), whose other terminal is earthed on the housing of the piece of electric power equipment (2).
摘要翻译： 本发明的主题是用于通过这种设备的壁将电流从外部环境传导到一个电力设备的内部的高压套管探测应用。 高压套管（1）固定在电力设备（2）的壁上，并且它包含绝缘体（3），其中存在与外相导体（5）连接的串联阻抗元件（4） ）和衬套端子（6）。 本发明的套管的特征在于，串联阻抗元件（4）被放置在绝缘体（3）的绝缘材料中，并且具有包括感应线圈（9）和电阻（10）的RL电路的形式， 与其并联连接，衬套端子（6）连接到位于绝缘体（3）的绝缘材料中的至少一个电容电容器（7）的一端，其另一端子接地于绝缘体 电力设备（2）。
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