What is post insulator

by:Mings     2020-05-16

post insulator is a special kind of insulation control, can play a very important role in overhead transmission lines. Early years post insulator for more poles, slowly development in high type high voltage wire connection at one end of the tower hung a lot of suspension insulators, is to increase the creepage distance, usually made of silicone or ceramic, this is called insulator.

1, the post insulator profile: post insulator is made of glass fiber epoxy resin pull rod, hardware, silicon rubber umbrella skirt of three parts. Post insulator impact resistant capability is strong, good resistance to bending performance, anti-fouling ability strong, shockproof and brittle fracture prevention performance is good, light weight, small volume, convenient installation, free maintenance, does not need manual cleaning, and porcelain are interchangeability. 2, function characteristics: adopt the special steel manufacturing hardware, hardware end using labyrinth design principle, multi-layer protection, sealed performance is good, solved the key issue of insulator - - - - - - - - - - - - - - - - - - Interface electrical breakdown. Connecting the hardware with the mandrel adopts international advanced computer control on the coaxial constant pressure pressure welding technology, and equipped with automatic flaw detection system, the acoustic emission to ensure the stability and reliability of the connecting the hardware with the mandrel. Mandrel adopt ERC high-temperature acid rods, mandrel and coated with silicone rubber interface of special coupling agent.

in fact, the current has not yet been fully resolved a problem is to establish an excellent way to obtain reliable 'features' of each material. This is considered to be an excellent way to assure all users, namely post insulator and shipped to the user provides the type testing report and operation experience of exactly the same post insulator.


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