FIELD: electrical engineering; high-voltage suspension insulators.
SUBSTANCE: proposed high-voltage suspension insulator has metal cap, metal stick with head or any other bulge, and insulating part made of tracking-resistant silicone rubber; its head is press-fitted between metal stick and metal cap. Insulator also has disk-shaped member with hole that functions to join metal cap with insulating part. The latter is composite part incorporating more than one annular skirt. Insulating part skirts have concentric ribs.
EFFECT: enhanced operating reliability, simplified design, reduced cost.
1 cl, 6 dwg
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