Composite pin insulator can be used on high voltage distribution and transmission line, which is also called high voltage composite insulator. High voltage polymer 33KV pin insulator is a mainly used composite insulators.
Composite pin insulator formation:
Composite pin insulator shall be designed to meet the light quality, safety and reliability and are capable of withstanding a wide range of environmental conditions. Composite pin insulator FRP core must realize the internal insulating to isolate current transfer. Silicone rubber insulator housing is the external insulating part to protect FRP core oxidation resistance. Metal and fittings function is for attaching to hardware to support conductor. Silicone rubber shed increase the creepage distance to protect insulator be polluted.
high voltage polymer 33KV pin insulator composite pin insulator
High voltage polymer 33KV pin insulator:
High voltage polymer 33KV pin insulator weathersheds made of silicone elastometric compound or silicon alloy shall be firmly bonded to the sheath, vulcanized to the sheath or molded as part of the sheath and shall be free from imperfections. The high voltage polymer pin type insulator weathersheds should have silicon content of light weight. The strength of the weathershed to sheath interface shall be greater than the tearing strength of the polymer. The interface, if any, between sheds and sheath (housing) shall be free from voids.
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