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    • 3. 发明申请
    • CABLE CONNECTORS WITH INTERNAL FLUID RESERVOIRS
    • 带有内部流体储存器的电缆连接器
    • WO2006025906A2
    • 2006-03-09
    • PCT/US2005/019999
    • 2005-06-07
    • UTILX CORPORATIONSTAGI, William, R.STEELE, James
    • STAGI, William, R.STEELE, James
    • H01R13/53
    • H02G15/22H01R13/53H02G15/24
    • Cable terminations, junctions, or connectors having a cable affixed therein are provided, which include an internal cavity that is capable of (1) holding a selected volume of remediation fluid and (2) supplying it to the cable. Several embodiments of the cavity are capable of holding the remediation fluid under pressure for prolonged periods of time and through various environmental conditions such as temperature, moisture and sun exposure. Several embodiments of the internal cavity are divided into two or more chambers that are in physical communication through the opposition of pressure but which are chemically isolated. In several embodiments, an actuation device, such as a spring or compressed gas, pressurizes the fluid. Throughout the embodiments, individual access port(s) provide controlled access to the various internal chambers.
    • 提供了具有固定在其中的电缆的电缆终端,接头或连接器,其包括能够(1)保持选定体积的补救流体和(2)将其提供给 电缆。 空腔的若干实施方案能够长时间保持压力下的补救流体并且通过各种环境条件例如温度,湿度和日光暴露。 内腔的几个实施例被分成两个或更多个腔室,这两个或更多个腔室通过压力的反作用而物理连通但是化学隔离。 在几个实施例中,诸如弹簧或压缩气体的致动装置对流体加压。 在整个实施例中,单独的进入端口提供对各种内室的受控访问。
    • 6. 发明申请
    • HIGH PERFORMANCE SENSOR FOR PARTIAL DISCHARGE SIGNAL-ANALYZING SYSTEMS
    • 用于部分放电信号分析系统的高性能传感器
    • WO2014070528A1
    • 2014-05-08
    • PCT/US2013/066197
    • 2013-10-22
    • UTILX CORPORATION
    • SHUE, WenHALL, Nelson
    • G01R31/12G01R31/02G01R27/26
    • G01R15/16G01R31/1272
    • A capacitor component (18, 22) is adapted for capacitive coupling to an electrical power apparatus (15) in which a PD is suspected, such as a shielded power cable (15); and an impedance transformance device (102) has an input side connected directly to the capacitor component (18, 22). Together the two components are used as a sensor (100) to pick up and convey PD signals to a PD signal-analyzing system (D). Although the two components inherently form a classic high-pass RC filter, in accordance with the invention the input impedance at the capacitor side is much greater than the output impedance at the signal-analyzing system side. The effect is to pass much more of the lower frequency components of the PD signal for analysis by the PD signal-analyzing system (D) than if the transformance device (102) were not included.
    • 电容器部件(18,22)适于电容耦合到其中怀疑PD的电力设备(15),例如屏蔽电力电缆(15); 并且阻抗变换装置(102)具有直接连接到电容器部件(18,22)的输入端。 两个组件一起用作传感器(100),以将PD信号拾取并传送到PD信号分析系统(D)。 虽然这两个部件固有地形成了一个经典的高通RC滤波器,但根据本发明,电容器侧的输入阻抗比信号分析系统侧的输出阻抗要大得多。 其效果是比PD变换装置(102)不包含PD信号分析系统(D)的PD信号的低频分量更多的分量。
    • 10. 发明申请
    • METHOD AND APPARATUS FOR MEASURING PARTIAL DISCHARGE CHARGE VALUE IN FREQUENCY DOMAIN
    • 用于测量频域中部分放电电荷值的方法和装置
    • WO2015058068A1
    • 2015-04-23
    • PCT/US2014/061103
    • 2014-10-17
    • UTILX CORPORATION
    • GUO, JunSHU, WenMOREL, Oscar E.
    • G01R31/12
    • G01R31/12G01R29/24
    • The charge value of a partial discharge pulse in an electrical cable is provided by analyzing the frequency spectrum of the propagated pulse in a spectrum analyzer 21 to generate sets of spectrum signals, each including a magnitude and a frequency of a component of the pulse. A laptop computer has a processor, receives the spectrum signals, and has one or more application computer programs operable to perform the calculations of Equations 2-6, finds the bandwidth and energy of the spectrum signals from which the computer programs derive unknown time domain parameters including the maximum value of the pulse and the time interval of the pulse at half its maximum value. With those parameters, the program reconstructs a time domain signal of the pulse and integrates that signal to provide the charge value of the partial discharge.
    • 通过分析频谱分析器21中的传播脉冲的频谱来提供电缆中的局部放电脉冲的电荷值,以产生各自包括脉冲分量的幅度和频率的频谱信号。 膝上型计算机具有处理器,接收频谱信号,并且具有可操作以执行等式2-6的计算的一个或多个应用计算机程序,找到频谱信号的带宽和能量,其中计算机程序从该频谱信号导出未知的时域参数 包括脉冲的最大值和脉冲的最大值的一半的时间间隔。 利用这些参数,程序重建脉冲的时域信号,并对该信号进行积分,以提供局部放电的电荷值。