Surge Arrester Live Testing Device

Product Overview

The excellent hydrophobicity and unique hydrophobic migration property of composite insulators effectively prevent pollution flashovers, reducing the occurrence of accidents.

Hydrophobicity refers to the insulator's surface being less susceptible to moisture. The absorbed moisture exists in the form of discontinuous, isolated droplets, not forming a continuous water film. This limits the surface leakage current and improves the flashover voltage.

The hydrophobic migration refers to the phenomenon where, after the surface of a hydrophobic material gets dirty, its hydrophobic properties can be transferred to the surface of the dirt, resulting in the dirt surface also exhibiting hydrophobic characteristics.

Field tests have proven that the hydrophobicity of composite insulators in operation can decrease or even be lost due to factors such as contamination, humidity, discharge, and low temperatures, directly affecting... The anti-fouling performance of the transformer and transmission equipment is even threatening the safe operation of the system. Therefore, the hydrophobic properties of the in-service composite insulators Routine testing is highly necessary.

The composite insulator's live testing instrument features a simple structure and easy operation, enabling rapid and accurate assessment of the hydrophobicity condition of insulators. Main application fields: Electricity Bureau, complete sets of composite insulators manufacturers, line maintenance departments, and units involved in high-voltage line maintenance in the power industry, power plants, schools, research institutions, and other relevant entities.