FIELD: electrical engineering.
SUBSTANCE: rod polymer insulators of power lines and electrical apparatus, mainly medium and higher voltage classes.
The technical result is achieved through the use of a device for protecting rod polymer insulators from damage by partial surface discharges when the contaminated surface is moistened. The protection device is a removable electrode, which makes it possible to replace it, made in the form of two open rings lying in parallel and interconnected by a jumper. The ring of smaller diameter provides the possibility of fixing the device on the flange-terminator of the insulator close to the zone of contact between the flange and the insulating coating, and the ring of larger diameter - at the top of the expanded part of the insulating coating located above the flange protrusion.
EFFECT: increase of the reliability and durability of the rod polymer insulators.
1 cl, 3 dwg
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