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What are the electrical insulation requirements for overhead XLPE insulated cable accessories?
What are the electrical insulation requirements for overhead XLPE insulated cable accessories?
The insulation resistance, dielectric loss, dielectric constant, breakdown strength and the maximum working field strength determined by the structure of the materials used for overhead XLPE cable accessories meet the use requirements of cables with different voltage levels;
In addition, dry flash distance, wet flash distance and creepage distance shall also be considered;
When organic materials are used as external insulation, the properties of anti leakage trace, corrosion resistance and natural aging shall also be considered. Only by meeting these requirements can it be said that the accessories basically meet the electrical requirements.
Henan Qingzhou Cable Manufacturer provide our customers with a variety of power equipment products. Our product business areas include ADSS, OPGW, OPPC cable fittings (tension clamps, suspension clamps, optical cable joint boxes, shock-proof hammers, etc.), medium and low-voltage overhead cluster cable accessories, substation fittings and insulators, overhead transmission lines The fittings and insulators and so on.
