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A lightning arrester, pure air technology, applied in the direction of overvoltage arrester, spark gap, electrical components, etc. using spark gap, can solve the problem of wire burn, can not guarantee effective discharge distance, can not play lightning protection effect, etc. Strong corrosion resistance and radiation resistance, solve the maintenance cost, light weight effect
Active Publication Date: 2014-04-02
吉林市能兴电力设备有限公司
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The existing lightning arresters all use an angle iron installed on the tower head of the power transmission line, and a zinc oxide arrester is installed on the angle iron. The upper discharge gap installed on the arrester is vertically suspended above the wire. Discharge directly to the wire, and it is easy to cause the wire to burn out when arcing at high temperature
In addition, in thunderstorm weather, the wire will swing naturally when the wind is strong, causing the distance between the discharge gap between the wire and the arrester to fluctuate with the wind.
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[0009] Refer to figure 1 As shown, a pure air gap arrester includes a discharge counter 1, and a discharge counter frame 9 arranged below the discharge counter 1, a suspension beam 8 arranged below the discharge counter frame 9, and a surge arrester body 2 arranged below the suspension beam 8. , And the upper gap rod 6 arranged under the arrester body 2, and the fixed universal hook 7 arranged under the suspension beam 8 side by side with the arrester body 2, and the lower gap rod 4 arranged under the upper gap rod 6, and arranged in the lower gap The insulator 5 above the rod 4, and the connecting wire mounting hole 3 arranged below the insulator 5 and on the same plane as the lower gap rod 4; the upper gap rod 6 and the lower gap rod 4 are made of carbon fiber, high carbon graphite, and copper powder , Made of white steel powder and conductive resin; among them, the weight percentage of carbon fiber is 20%, the weight percentage of high carbon graphite is 40%, the weight perc...
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Abstract
The invention discloses a pure air gap arrester. The pure air gap arrester comprises a discharge counter, a discharge counter frame, a suspension beam below the discharge counter frame, an arrester main body, an upper gap rod, a fixing universal hook, a lower gap rod, an insulator, and a connection wire mounting hole, wherein the arrester main body and the insulator are arranged in parallel; both the upper gap rod and the lower gap rod are made of, by weight, carbon fiber 40%, high-carbon graphite 40%, copper powder 5%, white steel powder 5% and conductive resin 30% by pressing, wherein the carbon fiber is in a bar-like, round, octagonal, elliptical or ovale shape. The pure air gap arrester provided by the invention has the advantages of long service life, high stability, high strength, low specific gravity, light weight, and high resistance to heat, corrosion and radiation.
Description
Technical field [0001] The invention relates to a pure air gap arrester. Background technique [0002] The working principle of the arrester is that when the line is impacted by lightning current, the current is discharged through the discharge gap on the insulator. After the current is reduced by the zinc oxide arrester resistor, the residual current is discharged to the earth through the ground of the tower. Existing lightning arresters use an angle iron installed on the tower head of the transmission line, and a zinc oxide arrester is installed on the angle iron. The upper discharge gap installed on the arrester is vertically suspended above the wire. When a lightning strikes overvoltage, the upper gap of the arrester Discharge the wire directly, it is easy to cause the wire to burn out at high temperature. In addition, in a thunderstorm, the wire will naturally swing when the wind is strong, causing the distance between the wire and the discharge gap of the arrester to ...
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Application Information
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