Control electrode for high-voltage apparatus
    1.
    发明授权
    Control electrode for high-voltage apparatus 失效
    高压设备用控制电极

    公开(公告)号:US4072832A

    公开(公告)日:1978-02-07

    申请号:US608756

    申请日:1975-08-28

    CPC classification number: H01H33/24

    Abstract: The invention is directed to a control electrode for high-voltage apparatus which alters the electric field in the vicinity of the voltage-carrying parts. The control electrode includes a formed body of a conductive plastic foam material. The control electrode is suitable, for example, for multipole medium-voltage switching apparatus wherein the pole spacing can be reduced with the air of control electrodes of the invention.

    Abstract translation: 本发明涉及一种用于改变电压携带部分附近的电场的高压装置的控制电极。 控制电极包括导电塑料泡沫材料的成形体。 控制电极适用于例如用于本发明的控制电极的空气来减小极间距的多极中压开关装置。

    Voltage transformer with increased electric strength
    2.
    发明授权
    Voltage transformer with increased electric strength 失效
    具有增加电力强度的电压互感器

    公开(公告)号:US5859529A

    公开(公告)日:1999-01-12

    申请号:US894575

    申请日:1997-12-18

    CPC classification number: G01R15/06 G01R15/18

    Abstract: A voltage transformer with increased electric strength has a resistance divider made of ohmic resistances as well as a working amplifier and an inductive transformer. The secondary side of the inductive transformer forms the undervoltage side of the voltage transformer. Since high electric strength resistances are cheap to obtain, this voltage transformer is particularly useful in cases where an inductive voltage cannot be used because of its size and price, for example in low voltage power switches with voltage display or voltage measurement.

    Abstract translation: PCT No.PCT / DE96 / 00291 Sec。 371 1997年12月18日第 102(e)日期1997年12月18日PCT 1996年2月16日PCT PCT。 WO96 / 26447 PCT出版物 日期1996年8月29日具有增加电强度的变压器具有由欧姆电阻制成的电阻分压器以及工作放大器和电感变压器。 感应变压器的次级侧形成变压器的欠压侧。 由于高电阻值获得便宜,所以在电压显示或电压测量的低压电源开关中,由于电压电压的大小和价格不能使用,因此该变压器特别有用。

    Power circuit-breaker with current transformers and data storage device
    3.
    发明授权
    Power circuit-breaker with current transformers and data storage device 失效
    电力断路器带电流互感器和数据存储装置

    公开(公告)号:US6034859A

    公开(公告)日:2000-03-07

    申请号:US29175

    申请日:1998-06-04

    Inventor: Ulrich Baumgartl

    CPC classification number: H01H71/123 H01H71/0228

    Abstract: A circuit-breaker with current transformers and with an electronic tripping device having a housing contains a data storage device for characteristic values of the current transformers and the circuit-breaker. The data storage device provided with interfaces to the electronic tripping device and to the current transformers is detachably mounted on the outside of the housing of the tripping device.

    Abstract translation: PCT No.PCT / DE96 / 01654 Sec。 371日期:1998年6月4日 102(e)1998年6月4日PCT PCT 1996年8月30日PCT公布。 公开号WO97 / 08725 日期1997年3月6日具有电流互感器和具有壳体的电子跳闸装置的断路器包含用于电流互感器和断路器的特征值的数据存储装置。 设置有与电子跳闸装置和电流互感器的接口的数据存储装置可拆卸地安装在脱扣装置的外壳的外部。

    Process for monitoring the gas volume in an hydropneumatic accumulator
and apparatus for carrying out the process
    4.
    发明授权
    Process for monitoring the gas volume in an hydropneumatic accumulator and apparatus for carrying out the process 失效
    用于监测液压气动蓄能器中的气体体积的过程和用于执行该过程的装置

    公开(公告)号:US4781061A

    公开(公告)日:1988-11-01

    申请号:US26823

    申请日:1987-03-17

    Inventor: Ulrich Baumgartl

    Abstract: In a hydropneumatic accumulator, the gas volume contained therein is monitored by measuring the volume increase in the hydraulic fluid, which takes place during a pressure increase at a given minimum pressure. Moreover, for monitoring purposes, the hydraulic pressure is measured and a signal transmitted at insufficient gas volume as a function of the volume increase and the pressure increase. In order to obtain reliable signals concerning the filling state of the accumulator at all ambient operating temperatures, the temperature of the environment and the gas volume is detected, a standard value for the volume increase proportional to the ratio of the gas temperature to the minimum pressure determined and the volume increase causing the pressure increase compared to this standard value.

    Abstract translation: 在液压气动蓄能器中,通过测量在给定最小压力下的压力增加期间发生的液压流体的体积增加来监测容纳在其中的气体体积。 此外,为了监视目的,测量液压并且以不足的气体体积传递的信号作为体积增加和压力增加的函数。 为了在所有环境工作温度下获得关于蓄能器的填充状态的可靠信号,检测到环境温度和气体体积,体积增加的标准值与气体温度与最小压力的比例成比例 确定并且体积增加导致与该标准值相比的压力增加。

    Circuit configuration for supplying power to electronic tripping device
    5.
    发明授权
    Circuit configuration for supplying power to electronic tripping device 失效
    用于向电子跳闸装置供电的电路配置

    公开(公告)号:US6150739A

    公开(公告)日:2000-11-21

    申请号:US147998

    申请日:1999-03-24

    CPC classification number: H02M3/155 H02H1/066

    Abstract: A circuit configuration for supplying power to electronic tripping devices from a current-transforming device. A switched-mode power supply unit, in particular a choke/step-up transforming device having a pulse-width voltage control, is connected downstream of a charging capacitor. Once a set point of the output voltage at an output capacitor is reached, only a very high pulse duty factor is provided. Particularly, maximum power point control is provided during an initial charging phase. Circuit configurations of this kind serve the power supply of overvoltage tripping devices in low-voltage and medium-voltage systems.

    Abstract translation: PCT No.PCT / DE97 / 02215 Sec。 371 1999年3月24日第 102(e)1999年3月24日PCT 1997年9月24日PCT公布。 第WO98 / 13918号公报 日期1998年4月2日用于从电流转换装置向电子跳闸装置供电的电路配置。 开关模式电源单元,特别是具有脉冲宽度电压控制的扼流/升压转换装置连接在充电电容器的下游。 一旦达到输出电容器的输出电压的设定点,只提供非常高的脉冲占空因数。 特别地,在初始充电阶段期间提供最大功率点控制。 这种电路配置用于低压和中压系统中过电压跳闸装置的电源。

    Method of determining an earth-fault current
    6.
    发明授权
    Method of determining an earth-fault current 失效
    确定接地故障电流的方法

    公开(公告)号:US6005393A

    公开(公告)日:1999-12-21

    申请号:US894192

    申请日:1997-12-18

    Inventor: Ulrich Baumgartl

    CPC classification number: H02H1/046 G01R19/0092 H02H3/347

    Abstract: A method of determining the ground-fault current flowing in a multi-phase circuit is based on the use of standard current transformers having iron cores for the phase conductors and the neutral conductor. Allowance is made for the current-dependant linearity error of the current transformers by subtracting the product of the highest phase-current and associated error from the vectorial sum of the currents. This results in a single-sided position of the tolerance band of the measured ground-fault current and prevents spurious tripping.

    Abstract translation: PCT No.PCT / DE96 / 00255 Sec。 371 1997年12月18日第 102(e)日期1997年12月18日PCT提交1996年2月9日PCT公布。 公开号WO96 / 25671 日期1996年8月22日一种确定在多相电路中流动的接地故障电流的方法是基于使用具有用于相导体和中性导体的铁芯的标准电流互感器。 通过从电流的矢量和中减去最高相电流和相关误差的乘积,对电流互感器的电流相关线性误差进行补偿。 这导致测量的接地故障电流的容限带的单面位置,并防止虚假跳闸。

    Circuit arrangement for measuring currents at high potential
    7.
    发明授权
    Circuit arrangement for measuring currents at high potential 失效
    用于测量高电位电流的电路布置

    公开(公告)号:US4209743A

    公开(公告)日:1980-06-24

    申请号:US936525

    申请日:1978-08-24

    CPC classification number: H03K7/06 G01R15/183 G01R15/22 G01R19/252 G01R1/06777

    Abstract: In a circuit arrangement for measuring currents at high potential, a capacitor, charged in accordance with the current to be measured, is shunted by a light emitting diode which generates a light pulse sequence with a frequency proportional to the current. In series with the diode is a switching element with a control terminal, to which the output of a control device is connected. The input of the control device is connected to a threshold arrangement disposed parallel to the capacitor and the supply terminals of the control device are connected to the capacitor.

    Abstract translation: 在用于测量高电位电流的电路装置中,根据待测电流进行充电的电容器被发光二极管分流,发光二极管产生具有与电流成比例的频率的光脉冲序列。 与二极管串联是具有控制端子的开关元件,控制装置的输出端连接到该开关元件。 控制装置的输入连接到与电容器并联设置的阈值布置,并且控制装置的电源端子连接到电容器。

Patent Agency Ranking