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    • 5. 发明公开
    • CONTROL SYSTEM FOR AND METHOD OF FAULT LOCATION, ISOLATION AND SUPPLY RESTORATION
    • EP3484004A1
    • 2019-05-15
    • EP17200688.4
    • 2017-11-08
    • Electricity North West Property Limited
    • COX, Steve
    • H02J3/00H02H3/06H02J13/00
    • A control system for and a method of fault isolation and electrical power restoration on an electrical network are provided and comprise: a plurality of electrical power supply facilities connectable to a region of a network, the region comprising a plurality of segments connectable to one or more neighbouring segments by a respective switching device; and the method including the steps of: detecting a fault condition within the region; operating the plurality of switching devices connecting the segments within the region so as to disconnect those segments from one another; performing a reconnection routine for each of a plurality of reconnection zones, being run concurrently, and each including the steps a to d of: a) selecting from the set of all unpowered segments within the reconnection zone a single unpowered segment that is connectable to a neighbouring powered segment, or is connectible to the electrical power supply facility associated with the reconnection zone, b) connecting the selected segment to provide electrical power to that selected segment, c) determining whether a fault has occurred within the reconnection zone, d) if a fault is determined to have occurred at step c, setting a halt status and identifying the selected segment as the segment causing the fault condition, or else repeating steps a to d until all segments within the reconnection zone are electrically connected to the respective electrical power supply facility, or until a halt status is set by another one of the concurrent reconnection routines; isolating the segment identified as causing the fault condition; and reconnecting the segments within the region to an electrical power supply facility, excluding the identified isolated segment
    • 10. 发明公开
    • VALVE ASSEMBLY
    • 阀组件
    • EP3236002A1
    • 2017-10-25
    • EP17171559.2
    • 2014-03-05
    • Managed Pressure Operations Pte. Limited
    • MacGREGOR, Alexander JohnLEUCHTENBERG, ChristianBISSET, James
    • E21B21/10E21B19/16
    • E21B21/106E21B19/16E21B21/103E21B34/08
    • An assembly comprising a rod having a longitudinal axis, a support part, a resilient biasing element, and a nut, the nut being mounted on a screw thread around the rod, the assembly further comprising a locking collar which is mounted around the rod such that the biasing element extends between the support part and the locking collar, the locking collar having a first locking formation which engages with a corresponding locking formation of the rod to substantially prevent rotation of the locking collar around the rod, the biasing element pushing the locking ring into engagement with the nut so that at least one locking formation on the nut engages with a second locking formation on the locking collar, and, as a result, the locking collar substantially prevents further rotation of the nut about the rod.
    • 1。一种组件,包括具有纵向轴线的杆,支撑部件,弹性偏置元件和螺母,所述螺母被安装在围绕所述杆的螺纹上,所述组件还包括围绕所述杆安装的锁定套环, 所述偏置元件在所述支撑部件和所述锁定轴环之间延伸,所述锁定轴环具有第一锁定结构,所述第一锁定结构与所述杆的对应锁定结构接合以基本上防止所述锁定轴环绕所述杆旋转,所述偏置元件推动所述锁定环 与螺母接合,使得螺母上的至少一个锁定结构与锁定轴环上的第二锁定结构接合,并且结果锁定轴环基本防止螺母围绕杆进一步旋转。