知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

6 条记录 (耗时 0.009 秒)

    METHOD OF CALIBRATING A PARTIAL DISCHARGE MEASURING DEVICE
    3.
    发明申请
    METHOD OF CALIBRATING A PARTIAL DISCHARGE MEASURING DEVICE 有权
    校准部分放电测量装置的方法

    公开(公告)号：US20110204899A1

    公开(公告)日：2011-08-25

    申请号：US13034509

    申请日：2011-02-24

    申请人： Ulrich Klapper ,  Harald Emanuel ,  Caspar Steineke

    发明人： Ulrich Klapper ,  Harald Emanuel ,  Caspar Steineke

    IPC分类号： G01R31/08 ,  G01R35/00

    CPC分类号： G01R31/08 ,  G01R31/02 ,  G01R31/025 ,  G01R31/1272 ,  G01R31/14 ,  G01R35/00 ,  G01R35/005

    摘要： This invention concerns a method and devices for calibrating a partial discharge measuring device and for locating faults on cables. In the method, calibration signals, which can include a band-limited white noise, are used with a periodically repeated signal course. By averaging over a predetermined period duration (T) of the calibration signal, it is possible, in the case of a partial discharge measurement, to recalibrate the measuring device continuously during the measurement, and additionally on cables to determine the fault location with great precision.

    摘要翻译： 本发明涉及用于校准局部放电测量装置和定位电缆故障的方法和装置。 在该方法中，可以包括带限制的白噪声的校准信号与周期性重复的信号路线一起使用。 通过平均校准信号的预定周期（T），在局部放电测量的情况下，可以在测量期间连续重新校准测量设备，并且还可以在电缆上以高精度确定故障位置 。

    Portable testing device
    4.
    发明授权
    Portable testing device 有权
    便携式测试设备

    公开(公告)号：US06608493B2

    公开(公告)日：2003-08-19

    申请号：US09969931

    申请日：2001-10-03

    申请人： Thomas Hensler ,  Reinhard Kaufmann ,  Ulrich Klapper ,  Michael Krüger ,  Zeljko Schreiner

    发明人： Thomas Hensler ,  Reinhard Kaufmann ,  Ulrich Klapper ,  Michael Krüger ,  Zeljko Schreiner

    IPC分类号： G01R2708

    CPC分类号： G01R31/027 ,  G01R31/34

    摘要： There is described a fully automatic portable testing device which can be used generally for testing test-pieces to be operated at high voltages and/or high currents, such as current or voltage transducers or transformers for example. For this purpose, the portable testing device comprises a switched-mode power amplifier (3) whose output is connected to a matching transformer (4-7) having a plurality of secondary windings (5-7), which can be changed over. The test-piece on which measurements are to be made is in each case removably connected to the secondary windings (5-7) of the matching transformer. The portable testing device also comprises a control which in particular may have a digital signal processor (8) and/or a controller or computer (9) and which on the one hand controls the power amplifier (3) in a purposive way and preferably also performs an automatic changeover of the secondary windings (5-7) of the matching transformer, in order to generate a desired testing signal. The control (8, 9) also analyses the measurement signals that are set up as a result of a test. In this way, a compact and easily transportable tester is made available which is versatile in application.

    摘要翻译： 描述了一种全自动便携式测试装置，其通常可用于测试在高电压和/或高电流下操作的测试件，例如电流或电压换能器或变压器。 为此，便携式测试装置包括开关模式功率放大器（3），其输出端连接到具有多个次级绕组（5-7）的匹配变压器（4-7），该二次绕组可以被切换。 要进行测量的试件在每种情况下可拆卸地连接到匹配变压器的次级绕组（5-7）。 便携式测试装置还包括一个特别可能具有数字信号处理器（8）和/或控制器或计算机（9）的控制器，并且一方面以有目的的方式控制功率放大器（3），并且优选地也 执行匹配变压器的次级绕组（5-7）的自动切换，以便产生期望的测试信号。 控制（8,9）还分析了作为测试结果设置的测量信号。 以这种方式，可以使用紧凑且易于运输的测试仪，其应用是通用的。

    Method of calibrating a partial discharge measuring device
    5.
    发明授权
    Method of calibrating a partial discharge measuring device 有权
    校准局部放电测量装置的方法

    公开(公告)号：US08669773B2

    公开(公告)日：2014-03-11

    申请号：US13034509

    申请日：2011-02-24

    申请人： Ulrich Klapper ,  Harald Emanuel ,  Caspar Steineke

    发明人： Ulrich Klapper ,  Harald Emanuel ,  Caspar Steineke

    IPC分类号： G01R35/00 ,  G01R31/00

    CPC分类号： G01R31/08 ,  G01R31/02 ,  G01R31/025 ,  G01R31/1272 ,  G01R31/14 ,  G01R35/00 ,  G01R35/005

    摘要： This invention concerns a method and devices for calibrating a partial discharge measuring device and for locating faults on cables. In the method, calibration signals, which can include a band-limited white noise, are used with a periodically repeated signal course. By averaging over a predetermined period duration (T) of the calibration signal, it is possible, in the case of a partial discharge measurement, to recalibrate the measuring device continuously during the measurement, and additionally on cables to determine the fault location with great precision.

    摘要翻译： 本发明涉及用于校准局部放电测量装置和定位电缆故障的方法和装置。 在该方法中，可以包括带限制的白噪声的校准信号与周期性重复的信号路线一起使用。 通过平均校准信号的预定周期（T），在局部放电测量的情况下，可以在测量期间连续重新校准测量设备，并且还可以在电缆上以高精度确定故障位置 。