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A method and system for multi-stage synchronous arc extinguishing of multi-solid gas flow

An arc extinguishing and airflow technology, applied in electrical components, corona discharge devices, insulators, etc., can solve problems such as difficulty in extinguishing arcs, line short circuits, economic losses, etc., to avoid direct flashover, work stably and reliably, and improve arc extinguishing. effect of ability

Active Publication Date: 2022-04-01
王巨丰
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Problems solved by technology

[0003] The impact voltage generated when the lightning strikes the transmission line will cause the line insulator to flash over, and then generate a large power frequency continuous current, resulting in a short circuit of the line, damage to the insulator string and fittings, and lead to line accidents
Especially in ultra-high voltage and ultra-high voltage lines, once a trip occurs, a long arc with rapid arc establishment and a huge arc that is difficult to extinguish will be formed, causing immeasurable economic losses

Method used

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  • A method and system for multi-stage synchronous arc extinguishing of multi-solid gas flow
  • A method and system for multi-stage synchronous arc extinguishing of multi-solid gas flow
  • A method and system for multi-stage synchronous arc extinguishing of multi-solid gas flow

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Embodiment Construction

[0052] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below with reference to the accompanying drawings and preferred embodiments. However, it should be noted that many of the details listed in the specification are only for readers to have a thorough understanding of one or more aspects of the present invention, and these aspects of the present invention can be implemented even without these specific details.

[0053] According to the above principle description and reference Figure 1-12 The embodiment of the present invention is further described:

[0054] A multi-stage synchronous arc extinguishing method for multi-solid gas flow, characterized in that the method includes the following steps:

[0055] Step 1: setting up several gas channels 3 , and setting a conductive connecting component between two adjacent gas channels 3 to electrically connect the two adjacent ...

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Abstract

The invention discloses a method and system for multi-segment synchronous arc extinguishing of multi-solid-phase gas flow, belonging to the technical field of synchronous arc extinguishing. The connecting component connects two adjacent gas channels electrically, the arc striking unit is arranged at the nozzle end of one gas channel, and the gas arc extinguishing component is arranged at the other end of the gas channel nozzle end. This solution adds a plurality of arc breakpoints, realizes breaking the long arc into zero, and synchronously tears multiple short arc units at the same time, improves the arc extinguishing ability of the long arc, and effectively suppresses the reignition of the long arc.

Description

technical field [0001] The invention relates to the field of synchronous arc extinguishing devices, in particular to a multi-stage synchronous arc extinguishing method and system for multi-solid-phase air flow. Background technique [0002] Lightning is extremely harmful to the safe operation of transmission lines, and often causes insulator flashover accidents. This accident often occurs in mountainous areas and areas with inconvenient transportation, which adds a lot of difficulty to patrolling and finding faults. Most of the accidents in the power grid are the faults of transmission lines, and the faults of transmission lines are led by lightning tripping, especially in mountainous transmission lines, line faults are basically caused by lightning tripping. According to the operation records, the power supply failure of overhead transmission lines Half of them are caused by lightning, so by reducing the number of lightning trips, the failure probability of transmission lin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01T1/08H01T19/00H01B17/46
CPCH01T1/08H01T19/00H01B17/46
Inventor 王巨丰黄上师王嬿蕾姚忠民王国锋李心如彭斐郭克竹骆耀敬卢幸毕洁廷闫仁宝黄萍李继强李籽剑段小嬿
Owner 王巨丰
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