Line Accessories Spacer Damper

Description:

Each of conductors for long-distance and big-capacity super high voltage transmission lines are adopted two, four and more split wires. So far 220KV and 330KV transmission lines are equipped with two split wires while 500KV transmission lines are outfitted with three or four split wires; those super high voltage or ultrahigh voltage lines that higher than 500KV are matched with six and eight split wires. In order to keep the distance between the split conductor harnesses invariant for catering to the established electricity performance and reducing voltage gradient appeared on the surface so that the harnesses will not arouse electromagnetic force resulting in the interaction on short circuit, spacer damper is needed to be installed on the interval among different spans. Moreover, the installation of spacer damper will be also helpful to remove the swing on span and aero vibration.

Types and Features:
Spacer dampers can be divided into damping and rigidity type in terms of service performance.The wearproof rubber blanket is inserted into the moving parts of damping type to take away the vibration and then generate damping effect on wire vibration.This type of spacer damper is suitable for various regions.However,considering the economy of the transmission line, this type of spacer spacer is mainly used in the area where the conductor is prone to vibration.The rigidity type without the rubber blanket is generally used in area not easy to generate vibration or as jumper spacer damper for the bad vibration reduce performance.    

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