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    • 3. 发明授权
    • Internally switched electric power interrupter
    • 内部开关电力断路器
    • US07115828B2
    • 2006-10-03
    • US10836181
    • 2004-04-30
    • Neil McCordJoseph R. RostronJohn M. Wolka
    • Neil McCordJoseph R. RostronJohn M. Wolka
    • H01H5/00
    • H01H3/46H01H3/3031H01H33/128H01H33/565
    • An electric power interrupter with an internal contactor that is suitable for use as a line and load switch constructed from light weight materials including a fiberglass or composite insulator and aluminum flanges. The light weight design feature allows the power interrupter to be supported above a standard disconnect switch insulator without having to replace or reinforce the insulator. The power interrupter also includes a latch mechanism with a low-force trip action, such as a spring-driven toggle mechanism that accelerates the internal contactor to break the electric power circuit on the opening stroke. This low-force trip action allows the power interrupter to be actuated by a standard disconnect switch operating mechanism without having to upgrade or augment the standard operating mechanism. For these reasons, the power interrupter may be installed as a retrofit upgrade to an existing standard disconnect switch without having to modify the underlying disconnect switch.
    • 具有内部接触器的电力中断器,适用于由轻质材料构成的线路和负载开关,包括玻璃纤维或复合绝缘体和铝法兰。 轻巧的设计特征允许断电器被支撑在标准断路开关绝缘体上方,而不必更换或加固绝缘体。 断电器还包括具有低力跳闸动作的闩锁机构,例如弹簧驱动的肘节机构,其加速内部接触器以在打开行程上断开电力回路。 这种低力跳闸动作允许断电器由标准断路开关操作机构驱动,而不必升级或增加标准操作机构。 由于这些原因,电源中断器可以作为对现有标准断开开关的改进升级而安装,而不必修改底层断开开关。
    • 5. 发明授权
    • Capacitor switch with internal retracting impedance contactor
    • 具有内部回缩阻抗接触器的电容开关
    • US07078643B2
    • 2006-07-18
    • US10736402
    • 2003-12-15
    • Joseph R. RostronNeil McCord
    • Joseph R. RostronNeil McCord
    • H01H9/42H01H33/16
    • H01H33/166
    • A capacitor switch including a power contactor and an impedance contactor located within a relatively slender container filled with dielectric gas. The container may be a “dead tank” or an insulator. For the insulator configuration, the switch also includes a conductive cap housing a charging impedance located on the end of the insulator. The power contactor includes a relatively fixed probe contact and a linearly moving socket. The impedance contactor is ring-type butt contactor surrounding the penetrating contactor that includes a retracting (but otherwise fixed) contact that surrounds the fixed probe, and a traveling ring contact that surrounds and moves with the moving socket contact. The impedance contactor closes before the power contactor on the closing stroke to introduce the charging impedance into the circuit. A puffer mechanism retards the expansion of the retracting contact on the opening stroke, which causes the impedance contactor to open before the power contactor.
    • 一种电容器开关,包括功率接触器和阻抗接触器,所述阻抗接触器位于填充有电介质气体的相对细长的容器内。 容器可以是“死槽”或绝缘体。 对于绝缘体构造,开关还包括容纳位于绝缘体端部上的充电阻抗的导电帽。 电源接触器包括相对固定的探头接点和线性移动插座。 阻抗接触器是围绕穿透接触器的环形对接接触器,其包括围绕固定探针的缩回(但是固定的)接触件,以及围绕移动的插座接触件移动的行进环接触件。 阻抗接触器在关闭行程之前关闭电源接触器,以将充电阻抗引入电路。 吹气机构阻止开启行程上的收缩接触件的膨胀,这使得阻抗接触器在电力接触器之前打开。
    • 9. 发明授权
    • High impedance fault isolation system
    • 高阻抗故障隔离系统
    • US08717721B2
    • 2014-05-06
    • US13217318
    • 2011-08-25
    • Joseph R. Rostron
    • Joseph R. Rostron
    • H02H3/08
    • H02H3/083
    • A high impedance fault isolation system for a radially connected three phase electric power line that utilizes three phase current measurements to determine the presence of a fault without the need for any voltage measurements or a battery powered controller. This eliminates the need for costly phase voltage measuring devices conventionally required to detect high impedance faults, which makes it economical to install fault isolation system at a greater number of locations throughout the power system. The system detects faults using current measurements by computing the negative and zero sequence current components and comparing the amplitudes of the negative and zero sequence components. A fault is detected when the ratio of the amplitudes of the negative and zero sequence components falls within a predefined fault detection range, such as the range from 0.5 to 1.5.
    • 用于径向连接的三相电力线的高阻抗故障隔离系统,其利用三相电流测量来确定故障的存在而不需要任何电压测量或电池供电的控制器。 这消除了对传统上需要检测高阻抗故障的昂贵的相电压测量装置的需要,这使得在整个电力系统中更多数量的位置安装故障隔离系统是经济的。 该系统通过计算负序和零序电流分量并比较负序和零序分量的振幅来检测故障。 当负序和零序分量的振幅的比值落在预定义的故障检测范围内,例如0.5至1.5的范围时,检测到故障。