the types of insualtion introduce

the types of insualtion introduce

What tests should do with insulators?

station post insulators routine Tests: Electrical Routine tests, Mechanical Routine tests, Visual examination and check for compliance. Sample Tests, insulators took at random from batches should take Verification of dimensions, Temperature cycle test, mechanical failing load test and so on.
Type Tests, thermal mechanical performance tests carried out under IEC 575: Dry lightning impulse and Wet power frequency withstand voltage test.

How to choose the reliable insulator manufacturers?

The manufacturer and supplier should have adequate disc type insulator resources and capacity to supply the best insulators for overhead lines.Checking what other people are saying about the insulators from a particular manufacturer. This is possible by reading the insulator reviews. To avoid the dead end pole or terminal pole fall, it should select the suitable types of stay insulators and pole line fittings.

Advantage of Porcelain insulator

Environmental friendly. At its disposal, the porcelain insulators is not dangerous waste
Giving a longer useful life in terms of loads generated by electric charges
In the dry state as electric insulation material has better electrical properties than the polymer
Higher resistance to degradation of the surface
Resistant to rodents, termites, birds and other animals capable of compromising the integrity
Suitable for extremely hot/cold changes in the environment
Better performance in high contamination areas
Consistent mechanical and electrical performance throughout the entire service life
Excellent impact resistance
Good resistance to soiling and flashover
Good shock resistance collision resist

The Suspension Insulator

“Suspension Insulator ” and “Strain” insulators are the same thing; when used in the vertical position (with the conductor hanging below) they are called “suspension Insulator “; when used in the horizontal, to dead-end a conductor, they are called “suspension insulator “.The Long rod, Class A, 33kV rated polymeric strain insulators of a composite material, that used on strain structures, complies with IEC 62223. The following table indicates the requirements: There are white porcelain insulators and brown porcelain insulators. Jingyoung spool insulators are all small porcelain insulators that are fit for the secondary clevis.

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