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About UsHongsheng Wire and Cable Co., Ltd. is a key enterprise in Zhejiang Province specializing in the production of wires and cables, integrating industry, commerce, trade, production, education, and research. Its main production, processes, and testing equipment are all designed and configured according to international standards.
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ProductsEmploy scientific management and quality assurance systems based on GB/T19001—IS09001 and GB/T24001—ISO14001 environmental management systems to organize production management.
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Contact UsWe believe: Great achievements depend on quality. Your satisfaction is our eternal pursuit!
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2022
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Briefly describe the advantages of copper core cables and aluminum core cables respectively.
Copper and aluminum core cables are classified according to their conductors. Copper core cables are more common in daily life, so many people are not familiar with aluminum core cables. In order for everyone to understand the advantages of copper and aluminum core cables, the editor has compiled the following content for your reference!
Copper and aluminum core cables are classified according to their conductors. Copper core cables are more common in daily life, so many people are unfamiliar with aluminum core cables. In order for everyone to understand the advantages of copper core cables and aluminum core cables, the editor has compiled the following content for your reference!
Advantages of Copper Core Cables
1. Low resistivity: The resistivity of aluminum core cables is about 1.68 times higher than that of copper core cables.
2. Good ductility. The elongation of copper alloy is 20%~40%, and the elongation of copper for electrical work is more than 30%, while aluminum alloy is only 18%.
3. High strength: The allowable stress at room temperature is 7%~28% higher for copper than for aluminum. The difference is much greater at high temperatures.
4. Fatigue resistance: Aluminum is easily broken by repeated bending, while copper is not. In terms of elasticity, copper is also about 1.7 to 1.8 times higher than aluminum.
5. Stability and corrosion resistance: Copper core is oxidation-resistant and corrosion-resistant, while aluminum core is easily oxidized and corroded.
6. Large carrying capacity: Due to its low resistivity, the allowable carrying capacity of copper wire with the same cross-section is about 30% higher than that of aluminum core cable.
7. Low voltage loss: Copper core cables have lower resistivity, so the same current flows through the same section. The voltage drop of copper core cables is small. Therefore, high voltage quality can be guaranteed for the same transmission distance. Alternatively, under the condition of allowable voltage drop, copper core cable transmission can reach a long distance.
8. Low heat dissipation temperature: Under the same current, the heat value of copper core cable with the same cross-section is much smaller than that of aluminum core cable, so the operation is safer.
Advantages of Aluminum Core Cables
1. Low price: Copper bars are 3.5 times the price of aluminum bars, and the specific gravity of copper is 3.3 times that of aluminum, so aluminum core cables are much cheaper than copper core cables, suitable for low-capital projects or temporary power supply.
2. Light weight: The weight of aluminum core cable is 40% of that of copper core cable, and the cost of construction and transportation is low.
3. Oxidation resistance and corrosion resistance: Aluminum reacts rapidly with oxygen in the air to form an oxide film, preventing further oxidation, so aluminum wire is a material for high-voltage, large-cross-section, long-distance overhead transmission.
Although aluminum core cables are inexpensive, copper core cables have outstanding advantages in cable power supply, especially in underground cable power supply. Underground copper core cable power supply has the characteristics of low accident rate, corrosion resistance, high reliability, and convenient construction and maintenance. This is also the reason why copper cables are mainly used in underground cable power supply in China.
Consumers should also pay attention to whether the manufacturer's name, product model, rated voltage and surface printing marks on the certificate of conformity are consistent when purchasing wires, so as to prevent counterfeit products.
From the above content, we can see that copper core cables have many advantages, so their price is higher than other wires. However, it is worth the money, its performance is better, and it is safer.
Copper core cable
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2021-04-13
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