Air blast arc-quenching lightning protection inter space device

A technology of gas blowing arc extinguishing and gas generating devices, which is applied in the direction of spark gaps, electrical components, spark gap components, etc., and can solve problems such as ablation of gap electrodes, easy explosion, and expensive line arresters

Active Publication Date: 2008-04-09
王巨丰
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Its disadvantages are: the protection gap has no arc extinguishing ability, and it cannot shut down the power frequency continuous current caused by short circuit, and it can cause the circuit breaker to trip for phase-to-phase short circuit
In severe cases, the arc will ablate the gap electrode and cause the gap to lose its protective insulation function
When an insulator with no installation gap flashes over,

Method used

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  • Air blast arc-quenching lightning protection inter space device

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Example Embodiment

[0005] The substantive content of the present invention will be further described in detail below in conjunction with the embodiments.

[0006] As shown in Figure 1, the lightning protection gap device for gas blowing and arc extinguishing includes a wire connection body 1, a ground connection body 5, a gas generating device 4, a signal acquisition device 6, a high voltage electrode 2, a ground electrode 3 and other components. The body 1 and the ground connection body 5 are respectively connected to the corresponding electrodes, and an electrode gap 7 is formed between the corresponding electrodes. The entire device is suspended in parallel with the insulator string through the wire connection body 1, the ground connection body 5 and the insulator string. The wire connector 1 used to connect the wires and form a reliable connection with the wires is connected to the high-voltage electrode 2 at one end of the electrode gap 7, the grounding connector 5 is reliably connected to the ...

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PUM

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Abstract

The invention relates to a lightningproof device, in particular to a puffer arc quenching lightningproof clearance device used in varies voltage grades transmission lines. The puffer arc quenching lightningproof clearance device comprises a conductor connection body, an earthing connection body, a gas generation device, a signal acquisition device, a high-voltage electrode, an earthing electrode, etc. The gas generation device is arranged near an electrode gap formed between the high-voltage electrode and the earthing electrode. The signal acquisition device generates signal after the generation of the arc. The gas generation device is started and therefore generates the airflow capable of blowing out the arc. The invention has the following benefit effects: the device features wide application, light weight, convenient transportation, assembly and disassembly, re-use, lower operation cost as well as environment protection; the device is fast in action, which is able to extinguish the arc quickly and enhance the success rate of recloser; the device is capable of decreasing the trip rate of the transmission line, and protect power facilities, thus being good for the power safety production and improving the power grid reliability.

Description

technical field [0001] The invention relates to a lightning protection device, in particular to a gas blowing arc extinguishing lightning protection gap device for power transmission lines of various voltage levels. Background technique [0002] For transmission lines, in order to avoid shock flashover caused by lightning hitting the wires, resulting in damage to the line insulation, the power production department generally installs protective gaps or lightning arresters to protect the lines. When the line is struck by lightning, the protection gap first breaks down due to overvoltage, and a large amount of lightning current leaks into the ground, so that the degree of overvoltage is greatly reduced, thereby protecting the line and electrical equipment. Its disadvantages are: the protection gap has no arc extinguishing ability, and cannot shut off the power frequency continuous current caused by short circuit, and it can cause the circuit breaker to trip for phase-to-phase ...

Claims

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Application Information

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IPC IPC(8): H01T1/02H01T1/08
Inventor 王巨丰王嬿蕾
Owner 王巨丰
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