At present, 220kV transmission line usually adopts double split wire in order to meet the electrical characteristics, reduce the surface potential gradient, avoid the electromagnetic force between the wires, make the ...At present, 220kV transmission line usually adopts double split wire in order to meet the electrical characteristics, reduce the surface potential gradient, avoid the electromagnetic force between the wires, make the current between the two wires, will not produce a big pull, or even if the moment of pull, it can also be restored to the original position after the accident. The spacer rod on the double split wire is not correct or disturbed by the vibration during the wire, which will cause loosening and damage to threaten the normal operation of the power system. This paper describes a special tool to replace or add the isolation rod to replace and install the double-wire isolation rod. The results of this study can provide a reference for replacing 220kV double split wire spacers.展开更多
文摘At present, 220kV transmission line usually adopts double split wire in order to meet the electrical characteristics, reduce the surface potential gradient, avoid the electromagnetic force between the wires, make the current between the two wires, will not produce a big pull, or even if the moment of pull, it can also be restored to the original position after the accident. The spacer rod on the double split wire is not correct or disturbed by the vibration during the wire, which will cause loosening and damage to threaten the normal operation of the power system. This paper describes a special tool to replace or add the isolation rod to replace and install the double-wire isolation rod. The results of this study can provide a reference for replacing 220kV double split wire spacers.