FIELD: electrical engineering.
SUBSTANCE: proposed high-voltage polymeric insulator designed to carry heavy mechanical loads on high-voltage power transmission lines, contact systems of urban and rail transport has insulating stick lined with tracking-proof ribs installed on its external cylindrical surface and terminators installed on butt-ends of insulating stick; terminators are made of continuous flexible hardware impregnated with binder and made in the form of ring assembled of two arcs joined together by means of rectilinear sections; rectilinear sections of ring are locked in position within grooves provided on two or more parts joined together to form insulating stick; metal strap is installed within each terminator on ring arc.
EFFECT: enhanced reliability of polymeric insulator due to enhancing its load-bearing capacity.
3 cl, 6 dwg
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