A low resistivity: resistivity of aluminum cable is about 1.68 times higher than copper cable.
(2) scalability: an extension of the copper alloy was 20 to 40 percent, electrical copperextension rate in more than 30%.
(3) high strength: the allowable stress at room temperature. The difference between the two is far.
(4) anti-fatigue: aluminum repeated bending easy to break. Copper about 1.7 to 1.8 times higher than aluminum.
(5) and good stability. Aluminum Core susceptible to oxidation and corrosion, corrosion-resistant.
Carrying capacity: Due to the low resistivity. The same cross-section flow through thesame current circumstances. Copper cable voltage drop. Therefore, the same cross-section of copper cable than allowed by the aluminum cable ampacity (maximum current)through high about 30%
7 low voltage loss: Due to the low resistivity of copper cable. The same transmissiondistance, can guarantee the quality of high voltage; or allowed voltage drop under the conditions of the copper cable transmission to the distance from the power supply, that is, covering a large area, the planning of the network, reducing the supply set number ofpoints.
Heating temperature is low: the same current. Compared to aluminum cables, coppercables of the same cross-section heat than aluminum cable is much smaller, and makesthe run safer.
Low energy consumption: low copper resistance. Copper cable of low power loss, it is evident that this will help improve power utilization and protection of the environment.