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Spacer suitable for power transmission line de-icing jump prevention and power transmission system

A transmission line, deicing and jumping technology, applied in the field of power transmission and distribution, can solve problems such as suppressing jumping, and achieve the effect of preventing flashover

Inactive Publication Date: 2020-09-15
STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although adding sliding weights can quickly stop the vibration of the ground wire, it cannot suppress the jump at the beginning of deicing

Method used

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  • Spacer suitable for power transmission line de-icing jump prevention and power transmission system
  • Spacer suitable for power transmission line de-icing jump prevention and power transmission system
  • Spacer suitable for power transmission line de-icing jump prevention and power transmission system

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Embodiment Construction

[0022] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0023] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and Simplified descriptions do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the scope of protection of the present application. In addition, the terms "first", "second", etc. are used for descriptive purposes on...

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Abstract

The invention relates to a spacer suitable for power transmission line deicing jump prevention and control, the spacer comprises a core rod and a plurality of wire clamps connected to the front end ofthe core rod, the tail end of the core rod is connected with a power transmission line ground wire, and the wire clamps are connected with a power transmission line phase wire. The spacer and the power transmission system have the advantages that when wire jumping is caused by wire deicing, the phase-ground safety distance is kept by additionally arranging the phase-ground spacer, so that flashover relative to a ground wire is prevented; a wire and the ground wire are connected in a pre-stranded wire mode, so that the damage to the wire and the ground wire during ice-shedding jump impact is reduced.

Description

technical field [0001] The application belongs to the technical field of power transmission and distribution, and in particular relates to a spacer bar and a power transmission system suitable for preventing deicing and jumping of power transmission lines. Background technique [0002] Icing of transmission lines refers to a natural phenomenon in which moisture or rainfall in the air freezes to form frost. Under certain natural conditions such as temperature and wind, the falling off of the ice coating on the transmission line will cause the line to vibrate up and down and swing laterally, which is also called "ice jump" in engineering. During the de-icing and jumping process of the transmission line, the gaps between the conductors of each phase and between the conductors and the ground wire may be smaller than the corresponding insulation gap requirements, resulting in electrical accidents such as phase-to-phase flashover, tripping, and burning wires, and even due to sever...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G7/16H02G7/12H02G7/22H02G7/05
CPCH02G7/05H02G7/125H02G7/16H02G7/22
Inventor 马伦吕中宾杨晓辉张博严波李梦丽伍川叶中飞魏建林陶亚光
Owner STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST
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