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86 17344894490The Comparison of copper conductor and aluminum conductor
Last Updated ：2023/07/03
The Comparison of copper conductor and aluminum conductor
comparison of properties of copper and aluminum materials:
1) copper conductor of the melting point of 1083℃, the conductor resistivity is less than or equal to 0.017241 ω mm - /m, density 8.89g/cm³ fand aluminum conductor; melting point of 658 ℃ C, the conductor resistivity is less than or equal to 0.0284 ωmm²/m, the density of 2.7g/cm³..
2) The electrical conductivity of copper after silver, copper conductive aluminum than high 35%--40%.
3) the chemical stability of copper in the atmosphere is better, and the aluminum is more active, but the addition of trace alloying elements can improve the chemical stability of aluminum.
4) The strength and hardness of copper good, pure aluminum is poor, but Aluminum Alloy after heat treatment can obtain high strength and hardness, because the quality of light, its strength is far greater than copper.
5) The copper resources in the natural world are relatively limited, the price is high, and the aluminum resources are relatively rich and the price is low.
2. Energy consumption comparison of copper and aluminum busbar with equal current structure
With the current aluminum busbar conductor than copper conductor busbar power loss of 26%, the cross-sectional area of the most simple way to solve this problem is to increase the aluminum conductor.
3. General economic comparison of equivalent conducting section copper and aluminum conductor busbar
Only from the cost analysis of the busbar conductor material, the equivalent conductivity of the aluminum conductor busbar and the copper conductor busbar slot, the former is only 1/5 of the latter. Aluminum conductor busbar is a product with high cost performance.
In short, copper or aluminum conductors should be used for low voltage distribution system. Considering the comparison of economic and technological plans, we should consider whether they meet the engineering reliability and national standard requirements. We strive to give full play to the advantages of copper and aluminum conductors and make appropriate choices to contribute to the economic construction of our country.
