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As one of the important equipments of transmission line, the suspension insulator takes on hanging lead and iron tower insulation. The porcelain suspension insulators our company produced, applied in the high-voltage, EHV and UHV transmission lines all over the world, provide a reliable protection for the safe operation of lines.
Porcelain suspension insulators fall into two types: AC and DC. The high-resistance insulating material formula, special umbrella structure, and anti-corrosion design of metal attachment make the AC porcelain insulators produced by the company fully meet the harsh requirements of DC power transmission on product performance.
The varied umbrella-type structural designs of porcelain suspension insulators provide a wide range of reasonable options for line use in different areas. |
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Normal-type Porcelain Suspension Insulator
| The umbrella-shaped insulator is one of the suspension insulators with the longest history. It is simple in structure and shape, low in price and suitable for use in clean areas. It is often used in AC power lines. |
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Bell-type Suspension Porcelain Insulator
The umbrella insulator, with a longer beam, can get greater creepage distance. The inner chamber under the umbrella is not easily affected with damp. With higher filthy voltage tolerance, it is more suitable for AC/DC power lines in coastal areas, foggy and humid and saline areas. |
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Double-shed and Tri-shed Porcelain Suspension Insulators
These two products, of the smooth and open shape with no beam, have good self-cleaning properties in the wind and rain and a low rate of natural product pollution. Coupled with greater creepage distance, the products have good filthy voltage resistance, and can give full play to its superiority of umbrella structure in a dusty environment. These umbrella-shaped insulators, known as “aerodynamic type”, can adapt to a variety of operating conditions, especially to the AC/ DC transmission lines in heavy dirty, high-altitude and dry desert areas. |
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Straw Hat Type Porcelain Suspension Insulator
The product, of a particularly large umbrella diameter, is characterized by its smoothness and streamlined structure without beams, good self-cleaning property, and a small amount of pollution. It is interspersed in the upper and central parts of the overhanging strings of AC/ DC line insulators, and the large diameter structure can prevent line flashover caused by ice slush and guano. |
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Ground Wire Insulator
Ground wire insulator for supporting the ground of the overhead line is composed of insulator and protective gap. In the normal operation of lines, it protects the ground and tower insulation, reduces energy loss and dredges the transmission carrier communications; and when the over-voltage occurs in the ground, it protects the gap discharge, breakover of ground and iron tower, and other roles. Ground wire insulator, by installing form and electrode structure, can be divided into overhanging type and tension-resistance type. |
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