Composite suspension insulator,composite suspension insulator types
Composite suspension insulator can be divided into six types according to the end fittings connected way. Composite suspension insulator types for end fittings have SOCKET, CLEVIS, Y-Y CLEVIS, BALL, TONGUE and EYE.
Composite suspension insulator types:
The CLEVIS of Composite suspension insulator commonly is called composite deadend insulator.The composite deadend or suspension insulator horizontally supports the line conductor. Whereas composite suspension insulator vertically supports the line conductor. Both are subjected to tensile and torsional loads.
Socket composite suspension insulator Y-Y Clevis composite suspension insulator
Composite suspension insulator types design:
The basic designs of composite suspension insulator evolve around three essential components. These are, a FRP core, a shed or weathersheds and end fittings. The end fitting is made of high strength, forged steel. The end fittings are attached to the core in various ways to develop the required mechanical strength for the intended application. The core consists of axially aligned glass fibers bonded together by means of an organic resin. The unprotected core with end fittings by itself is not suitable for outdoor high voltage application, as moisture, ultraviolet rays, contamination, acid, rain, ozone and voltage are conducive to the degradation of the core material and leading to electrical and mechanical failure. So the weathersheds covered the end fittings to protect them anti-aging or acid resistance.
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