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    • 2. 发明申请
    • RELIABLE DEVICE FOR PROTECTION OF VOLTAGE TRANSFORMERS
    • 用于保护电压变压器的可靠装置
    • WO2014019677A1
    • 2014-02-06
    • PCT/EP2013/002248
    • 2013-07-30
    • ABB TECHNOLOGY AG
    • PAVLAS, MarekJAVORA, RadekHONZAK, Ales
    • H02H9/00H02H7/05
    • H02H7/05H02H3/05H02H9/007
    • The invention relates to a reliable device for protection of voltage transformers from ferroresonant oscillation influences, with input terminals, power supply module, control unit, switching element and burden resistor. In order to enhance the operation of such protection device, each of the power supply module (2, 12), control unit (3, 13), switching element (4, 14) and burden resistor (5, 15) are arranged at least twice in parallel, in order to fulfill redundancy in each of its functions, and that the control unit operates the switching device, which is connected in series with the burden resistor connected in open-delta circuit of three single-phase voltage transformers.
    • 本发明涉及一种用于保护变压器免受铁共振振荡影响的可靠装置,具有输入端子,电源模块,控制单元,开关元件和负载电阻器。 为了增强这种保护装置的操作,至少设置电源模块(2,12),控制单元(3,13),开关元件(4,14)和负载电阻(5,15) 两次并联,以实现其功能中的冗余,并且控制单元操作与三个单相电压互感器的开放三角形电路中连接的负载电阻串联连接的开关装置。
    • 3. 发明申请
    • CURRENT AND/OR VOLTAGE SENSING DEVICE WITH PHASE ERROR COMPENSATION
    • 具有相位误差补偿的电流和/或电压感测器件
    • WO2015014475A1
    • 2015-02-05
    • PCT/EP2014/002060
    • 2014-07-28
    • ABB TECHNOLOGY AG
    • PODZEMNY, JaromirPAVLAS, MarekVELESIK, Petr
    • G01R15/18G01R35/02
    • G01R15/18G01R35/02
    • The invention relates to Current and/or voltage sensing device (1) with primary (2) and secondary circuits (3), for medium and/or high voltage AC - power grids, with design features, in order to cause a minimum phase error phase error and/or phase displacement and/or phase shift in the current and/or voltage sensing device, according to the preamble of claim 1. In order to realize a phase error compensation for current and/or voltage sensing device, which is much easier to design with lower constructional expense, the phase displacement/error/shift is improved or minimized by impedance matching element (6), which is connected to and/or within the secondary circuit of the current and/or voltage sensing device.
    • 本发明涉及具有初级(2)和次级电路(3)的电流和/或电压感测装置(1),用于具有设计特征的中等和/或高压AC电力网格,以便产生最小的相位误差 根据权利要求1的前序部分,电流和/或电压感测装置中的相位误差和/或相位移动和/或相移。为了实现对于电流和/或电压感测装置的相位误差补偿,其是很多 更易于设计,具有较低的结构费用,通过与电流和/或电压感测装置的次级电路连接和/或内部的阻抗匹配元件(6)来提高或最小化相位偏移/误差/偏移。
    • 4. 发明申请
    • CURRENT AND/OR VOLTAGE SENSOR DEVICE, AND METHOD OF OPERATION THE SAME
    • 电流和/或电压传感器装置及其操作方法
    • WO2014044408A1
    • 2014-03-27
    • PCT/EP2013/002857
    • 2013-09-23
    • ABB TECHNOLOGY AG
    • JAVORA, RadekPAVLAS, MarekHOZOI, AdrianPODZEMNY, Jaromir
    • G01R19/00G01R35/00H01R13/66
    • G01R19/0046G01R1/0416G01R19/00G01R19/15G01R19/155G01R35/005
    • The invention relates to a voltage and or current sensor device (Fig.1) for the use in medium- or high-voltage application and a method for operation of the same. The sensor device can have at least one voltage and/or current sensor (1), wherein the sensor(s) of the sensor device is (are) arranged in a housing. In order to enhance the communication between the sensor and the electronic device and to use maximum possible accuracy of the voltage and current sensors, a signal and/or data memory element (3) is integrated in the sensor housing, or placed near the sensor in such, that the sensor device output signal can be directly evaluated. A method includes an automatic communication of historical sensing data, individual calibration data and/or parameter data between the data memory element (3) and a central calculation/monitoring device
    • 本发明涉及用于中压或高压应用的电压和/或电流传感器装置(图1)及其操作方法。 传感器装置可以具有至少一个电压和/或电流传感器(1),其中传感器装置的传感器布置在壳体中。 为了增强传感器和电子设备之间的通信并且使用电压和电流传感器的最大可能的精度,信号和/或数据存储元件(3)集成在传感器外壳中,或放置在传感器附近 这样可以直接评估传感器装置的输出信号。 一种方法包括在数据存储元件(3)和中央计算/监视装置(3)之间自动通信历史感测数据,各个校准数据和/或参数数据
    • 5. 发明申请
    • VOLTAGE MEASUREMENT DEVICE WITH AN INSULATING BODY
    • 具有绝缘体的电压测量装置
    • WO2014019692A1
    • 2014-02-06
    • PCT/EP2013/002277
    • 2013-07-31
    • ABB TECHNOLOGY AG
    • JAVORA, RadekPODZEMNY, JaromirRASCHKA, DavidPAVLAS, MarekVELESIK, Petr
    • G01R15/04G01R1/18G01R15/14
    • G01R1/18G01R15/04G01R19/0084
    • The invention relates to a voltage measurement device with an insulating body, for the use in medium or high voltage equipment or switchgears, with an impedance divider consisting of at least one high voltage impedance and at least one low voltage impedance in series, and with shielding electrodes, according to the preamble of claim1. In order to do optimized voltage measurement design for a given application, preventing risk of malfunctionality in case the same device it is used in other application or at severe environmental or operating conditions, at least one high voltage shielding electrode and/or at least one low voltage shielding electrode which dimensions are applied to the physical length of the impedances, and that the shielding electrodes sourround the high and/or low voltage impedances providing required voltage division ratio, and which are located either inside or outside of the insulating body in order to distribute the electric field in the best way to reduce electric field stress either inside or outside of the said device, and that the output of the impedance divider is connected to a shielded cable, which is also part of this device.
    • 本发明涉及具有绝缘体的电压测量装置,用于在中压或高压设备或开关装置中使用的阻抗分压器由至少一个高电压阻抗和至少一个低压阻抗串联组成,并具有屏蔽 电极,根据权利要求1的前序部分。 为了对给定的应用进行优化的电压测量设计,防止在其它应用中或在恶劣的环境或操作条件下使用相同设备时的故障风险,至少一个高压屏蔽电极和/或至少一个低电平 电压屏蔽电极,其尺寸被施加到阻抗的物理长度,并且屏蔽电极围绕提供所需分压比的高和/或低电压阻抗,并且位于绝缘体的内部或外部,以便 以最好的方式分配电场以减少所述装置内部或外部的电场应力,并且阻抗分配器的输出连接到屏蔽电缆,屏蔽电缆也是该装置的一部分。