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Overhead power transmission line vibration reducing and balancing system

An overhead transmission line and balance system technology, applied in the direction of mechanical vibration attenuation devices, adjusting/maintaining mechanical tension, etc., can solve problems such as tower collapse accidents, economic hazards, conductor longitudinal unbalanced tension, tower structure damage, etc., to achieve galloping suppression, Guaranteed safety effect

Active Publication Date: 2016-03-16
HUZHOU ELECTRIC POWER SUPPLY CO OF STATE GRID ZHEJIANG ELECTRIC POWER CO LTD +2
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] In high-voltage transmission lines in heavy ice-covered areas, uneven icing of conductors causes longitudinal unbalanced tension, causing overhead transmission lines to swing, and excessive longitudinal unbalanced tension of conductors will also cause structural damage to towers and tower collapse accidents, which are harmful to power grid operation and Social and people's livelihood poses a great security threat and economic harm

Method used

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  • Overhead power transmission line vibration reducing and balancing system
  • Overhead power transmission line vibration reducing and balancing system
  • Overhead power transmission line vibration reducing and balancing system

Examples

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Embodiment Construction

[0016] like figure 1 and figure 2 As shown, the overhead transmission line is suspended and installed on the transmission pole tower through insulators, spacer rods 2 are arranged between the conductors of the overhead transmission line, and the spacer rods 2 are connected to the wires through the wire clip 21, and the wire clip and the spacer rod are connected in rotation. A spring damping and damping device 1 is connected below the spacer, and the spring damping and damping device includes at least one set of spring damping and damping assemblies, and the spring damping and damping assemblies include a cylinder 11, the two ends of the cylinder are closed, and the circle Antifreeze 12, damping spring 14, steel ball 13 are housed in the cylinder, and described damping spring 14 is connected with steel ball 13.

[0017] Specific to this embodiment, such as figure 1 As shown, the spacer 2 has a rectangular frame structure, and the four wires are connected to the four corners ...

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Abstract

The invention discloses an overhead power transmission line vibration reducing and balancing system. An overhead power transmission line is installed on a power transmission tower in a hanging way via insulators. Spacers are arranged between all the conductive wires of the overhead power transmission line. The spacers are connected with the conductive wires via wire clamps. The wire clamps are rotatably connected with the spacers. Spring damping vibration reducing devices are connected below the spacers. Each spring damping vibration reducing device comprises at least one group of spring damping vibration reducing component. The spring damping vibration reducing component comprises a cylinder which is internally provided with antifreeze liquid, a damping spring and a steel ball. The damping spring is connected with the steel ball. Vibration reducing tracks are arranged on the vibration damping tower. The vibration reducing tracks are different in height. The top ends of the insulators are provided with vibration reducing rollers which are arranged on the vibration reducing tracks. The vibration reducing rollers are connected with vibration reducing springs. Galloping of the icing conductive wires of the overhead power transmission line can be effectively suppressed so that safe operation of a power grid can be guaranteed.

Description

technical field [0001] The invention relates to a vibration reduction and balance system for an overhead power transmission line. Background technique [0002] In high-voltage transmission lines in heavy ice-covered areas, uneven icing of conductors causes longitudinal unbalanced tension, causing overhead transmission lines to swing, and excessive longitudinal unbalanced tension of conductors will also cause structural damage to towers and tower collapse accidents, which are harmful to power grid operation and Social and people's livelihood has caused great security threats and economic harm. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a vibration reduction and balancing system for overhead transmission lines, which can effectively suppress galloping of ice-coated conductors of overhead transmission lines, which may cause damage to tower structures and tower collapse accidents, and ensure safe operation of th...

Claims

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Application Information

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IPC IPC(8): H02G7/14H02G7/02
Inventor 吴宇红纪涛
Owner HUZHOU ELECTRIC POWER SUPPLY CO OF STATE GRID ZHEJIANG ELECTRIC POWER CO LTD
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