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Structure of polymer line post insulator

Polymer line post insulator also can be called composite line post insulator.The polymer line post insulator consists mainly of solid fiberglass rod, silicone rubber sheds and metal end fittings.

Polymer line post insulator                           

Under normal circumstances, polymer line post insulators are mounted to a supporting structure (wooden or steel pole, tower, etc.) through an additional base.

The solid fiberglass rod is the internal insulating member designed to ensure the mechanical characteristics.

The silicone rubber sheds are the external insulation, which provides the necessary leakage distance and protects the core from the weather.

Insulator hardware fittings are made of iron or aluminum, insulator hardware fittings are assembled to the both ends of the core for the purpose of transmitting mechanical loads to the core. A base adapts the end fitting for mounting to a supporting structure.

Polymer line post insulator is widely used in the transmission and distribution wires, it is an important part of the power system.

 

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