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Gas arc extinguishing device

An arc extinguishing device and gas technology, applied in electrical components, spark gaps, spark gap components, etc., can solve the problems of short service life, high operating costs, frequent maintenance and replacement, etc., to achieve low operating costs and reduce lightning tripping. efficiency, easy to transport

Inactive Publication Date: 2011-11-30
王巨丰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] In order to overcome the shortcomings of the existing lightning protection means, such as the short service life of common lightning protection gaps and common line arresters, frequent maintenance and replacement, and high operating costs, the invention provides an arc extinguishing gas generator

Method used

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Embodiment Construction

[0028] The substantive content of the present invention will be described in further detail below in conjunction with some examples.

[0029] figure 1 It is a schematic diagram of the present invention in a specific application example:

[0030] Among them: 1-ground gap, 2-high voltage gap, 3-lightning signal detector, 4-signal transmission circuit, 5-arc extinguishing gas pill shell, 6-arc extinguishing gas pill.

[0031] According to attached figure 1 As shown, the gas arc extinguishing device is placed under the corresponding ground gap 1, the gas injection port faces the arc channel between the ground gap 1 and the high voltage gap 2, and the lightning signal detector 3 is arranged around the ground gap 1 to ensure that it can sense the current The circular magnetic field generated by the lightning current passing through the ground gap 1. The lightning signal detector 3 generates a pulse trigger signal when the lightning impulse current penetrates the arc passage betwe...

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Abstract

The invention relates to a lightning protection device for electric equipment, in particular to a gas arc extinguishing device for electric equipment of various voltage levels. The gas arc extinguishing device for electric power equipment includes a grounding gap, a high voltage gap, a lightning signal detector, a signal transmission circuit, an arc extinguishing gas pill shell, an arc extinguishing gas pill and other components. The arc extinguishing gas pill and the arc extinguishing gas pill shell are installed near the high voltage gap or the ground gap. The lightning signal detector generates a trigger signal after the lightning current passes, and transmits the trigger signal to the arc extinguishing gas pill through the signal transmission circuit and the metal electrode sheet of the arc extinguishing gas pill, and the arc extinguishing gas pill generates an air flow sufficient to blow out the arc. The number of arc extinguishing gas pills determines the number of actions of the gas arc extinguishing device. The invention can quickly extinguish the electric arc, improve the success rate of reclosing, and is beneficial to improve the reliability of lightning protection of electric equipment.

Description

technical field [0001] The invention designs a lightning protection device for transmission lines, in particular a gas arc extinguishing device suitable for transmission lines of various voltage levels. Background technique [0002] In order to avoid damage to the insulation of transmission lines caused by direct lightning strikes or flashovers caused by induced lightning, current power production departments generally use additional lightning protection gaps or various lightning arresters to protect power equipment. With the introduction of the concept of "smart grid", the research on the reliability of transmission lines is becoming more and more urgent, and the lightning protection of lines should be paid more attention. [0003] At present, various lightning protection methods for transmission lines include: [0004] 1 overhead lightning conductor [0005] In open areas, erecting overhead lightning conductors on the same pole to deal with the induced overvoltage of dis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01T1/08
Inventor 王巨丰
Owner 王巨丰
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