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Lapp polymer insulators

Lapp polymer insulators are used on overhead power lines operating at a nominal voltage for 700kV to 1200kV including suspension insulator, line post insulator and hollow bushing insulator and so on.

Lapp polymer insulators

polymer insulators

According to the international standards, Lapp polymer insulators application
◆ Used for extra high voltage power lines
◆ Substations
◆ Stations
◆ Telephone poles
◆ Electrical towers
◆ Transformer etc.

According to the international standards, the requirements for Lapp polymer insulators
◆ IEC 60383: Tests on insulators of silicone rubber for overhead lines with a nominal voltage greater than 1200V
◆ ANSI C29.1: High voltage test techniques.
◆ BS 183: Specifications for general purpose galvanized steel wire strand.

Lapp polymer insulators used conditions
◆ Used outdoors in tropical areas at altitudes of up to 2200m above sea level
◆ Average ambient temperature of + 30℃ with a minimum of – ℃ and a maximum of +40℃
◆ Heavy saline conditions

The Lapp polymer insulators are also called composite insulator used for high voltage transmission and distribution power lines.

 

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