Shield for elbow type lightning arrester
A shielding cover and arrester technology, applied in the direction of overvoltage protection resistors, varistors, etc., can solve the problems of poor partial discharge, poor shielding effect, and shielding cover affecting the uniformity of the electric field of the product, so as to reduce production costs and avoid insulation. Poor performance, avoiding the effect of large partial discharge
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[0008] The present invention is described in detail below in conjunction with accompanying drawing:
[0009] Such as figure 1 As shown: the plug-in arrester includes a core body 1, a terminal 3, an insulating jacket 4 and a shielding cover 5. One end of the core body 1 is connected to the terminal 3 and sealed in the insulating jacket 4. The core body 1 includes a resistor group 11 , an upper electrode 13 and a lower electrode 14 connected to both ends of the resistor group 11 . A shielding cover 5 is provided at the connection between the core body 1 and the terminal 3, one side of the shielding cover 5 is electrically connected to the terminal 3, and the other side is sleeved on the core body 1; the shielding cover 5 can be an organic composite shielding cover, a metal shielding Cover or conductive medium spray shielding cover, etc. Among them, both the organic composite shield and the metal shield have specific structures, and the conductive medium sprayed shield is a lay...
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