FIELD: construction.
SUBSTANCE: cascade is assembled from serially installed and stiffly fixed serial support insulators with spacer inserts between insulators or without spacer inserts, or is made as a solid dielectric bearing element, on the side surface of which they fix units of surface discharge break, at the same time the dielectric bearing element may be a top of a support stand, made of the dielectric composite material. Wires are fixed by flexible or hinged suspensions on upper ends of support insulators or spacer inserts or on the side surface of the dielectric bearing element via gaps determined by overhead line voltage class.
EFFECT: invention provides for vertical arrangement of wires at minimum distance from a vertical axis of a support stand and increases reliability of fixation.
4 cl, 6 dwg
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Authors
Dates
2016-04-27—Published
2014-07-03—Filed