Standard Basis
"AS/NZS 1429" indicates that this cable complies with the relevant standards jointly established by Australia and New Zealand. These standards regulate the design, manufacturing, and performance testing of the cable to ensure that it can meet the local usage requirements and safety standards.
Voltage Rating
"19/33 36kV" represents the voltage rating of the cable. Among them, "19kV" is usually the phase - to - neutral voltage, "33kV" is the line - to - line voltage, and "36kV" might be the maximum test voltage of the cable. This shows that the cable is suitable for medium - and high - voltage power transmission systems and can withstand the corresponding voltage to ensure safe and stable operation.
Conductor Information
- "LD AL" means that the cable conductor is made of low - density aluminium. As a conductor material, aluminium has the advantages of light weight and relatively low cost. Low - density aluminium further optimizes certain properties of the conductor, making it suitable for power transmission scenarios where weight is a concern.
- "1c" indicates that the cable has a single - core structure.
Insulation Material
"TR - XLPE" refers to tree - retardant cross - linked polyethylene insulation. Cross - linked polyethylene is an insulation material with excellent performance. Through cross - linking treatment, the heat resistance, mechanical strength, and electrical insulation performance of polyethylene are improved. "Tree - retardant" means that this material has the property of resisting the growth of electrical trees, which can effectively delay the formation and development of electrical trees in the insulation material under the action of an electric field, thereby extending the service life of the cable and improving the reliability of the cable's operation in high - voltage environments.
Structural Composition
- CWS (Copper Wire Screen): That is, a copper wire screen. The copper wire screen can effectively shield the electric field generated by the internal conductor of the cable, reduce electromagnetic interference, and improve the electrical performance and signal transmission stability of the cable. At the same time, it can also conduct the charges generated in the cable insulation layer to the ground, avoiding damage to the insulation layer caused by charge accumulation and enhancing the safety of the cable operation.
- PVC (Polyvinyl Chloride): Polyvinyl chloride. Here, PVC may serve as an isolation or buffer layer outside the copper wire screen, protecting the copper wire screen from oxidation and corrosion. It can also provide a certain degree of electrical insulation and mechanical buffering performance.
- NYL (Nylon): Nylon. The nylon layer has good wear resistance and chemical corrosion resistance, which can further protect the cable from external friction and chemical erosion, improving the overall durability of the cable.rodent and termite protection
- HDPE (High - Density Polyethylene): High - density polyethylene. As the outermost sheath material of the cable, HDPE has excellent weather resistance, water resistance, and chemical corrosion resistance, enabling it to be used for a long time under various harsh environmental conditions and protecting the internal structure of the cable from external environmental factors.
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