Insulating isolation device for high-voltage direct-current test of metallic oxide arrester
An insulating isolation device, high-voltage DC technology, applied in measuring devices, instruments, components of electrical measuring instruments, etc., can solve the problems of insufficient standard operation, insufficient stability, labor and time-consuming, etc., and achieve good flexibility, easy to carry, Good safety performance
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[0010] Depend on figure 1 As shown, the insulating and isolating device for high-voltage direct current test of the metal oxide arrester of the present invention is a bell-shaped housing with an open lower end and a hollow interior. The housing is made of insulating materials. Two parts of the body 2, the inner chamber of the cover top 1 matches the shape of the head of the metal oxide arrester, the height of the inner cavity of the cover top 1 is about 5cm, and the diameter of the bottom 11 is about 4cm. The diameter of the open part 21 at the lower end of the cover body 2 is not less than 1.5 times the diameter of the umbrella skirt of the arrester. In this example, the diameter is about 20 cm; The upper shed of the lightning arrester can be partially covered, and the height of the cover body in this example is about 10cm.
[0011] Both sides of the lower part of the cover body 2 are provided with through holes 22 and 23 for the passage of high-voltage DC test cables, and t...
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