Talking about the advantages of copper core cable
2023-08-26 11:15:24
For a long time, the domestic power cables are mainly based on copper cores, and the physical and electrical properties of copper and aluminum are quite different.
Comparison of basic performance of copper core and aluminum core cable:
In terms of basic physical and electrical properties, the copper core cable has obvious advantages over the aluminum core cable: the copper core cable core has a low electrical resistivity; the elastic modulus is high and it is easy to bend and extend; the tensile strength is high; and the corrosion load current is large.
Copper cable advantages:
1. Copper core cable has large current carrying capacity: Due to its low resistivity, the copper conductor cable of the same section is about 30% higher than the allowable ampacity (the maximum current that can be passed) of the aluminum conductor cable.
2. Copper core cable has low voltage loss: Due to the low resistivity of the copper core cable, the same current flows through the same section. The voltage drop of the copper core cable is small. Therefore, the same transmission distance can guarantee higher voltage quality; or, under the condition of allowable voltage drop, the copper core cable can transmit electricity at a relatively long distance, that is, the power supply coverage area is large, which is conducive to network planning and reduction. The number of supply points is set.
3. The copper core cable has a low temperature of heat generation: under the same current, the copper core cable of the same section has a much smaller heating capacity than the aluminum core cable, making the operation more secure.
4. Copper core cables have low energy consumption: Due to the low resistivity of copper, the power loss of copper cables is lower than that of aluminum cables.
5. The copper core cable is resistant to oxidation and corrosion: The connector of the copper core cable has stable performance and will not cause accidents due to oxidation. The joints of the aluminum core cable are often unstable and cause accidents due to increased contact resistance and heat generation due to oxidation. Therefore, the accident rate is much larger than that of the copper core cable.
6. Copper core cable construction is convenient: As the copper core has good flexibility, the allowable radius of curvature is small, so the turning is convenient, and the pipe is easy to wear; since the copper core is resistant to fatigue and repeated bending is not easy to break, the wiring is convenient; and the copper core is mechanical High strength, can withstand greater mechanical pull.
Comparison of basic performance of copper core and aluminum core cable:
In terms of basic physical and electrical properties, the copper core cable has obvious advantages over the aluminum core cable: the copper core cable core has a low electrical resistivity; the elastic modulus is high and it is easy to bend and extend; the tensile strength is high; and the corrosion load current is large.
Copper cable advantages:
1. Copper core cable has large current carrying capacity: Due to its low resistivity, the copper conductor cable of the same section is about 30% higher than the allowable ampacity (the maximum current that can be passed) of the aluminum conductor cable.
2. Copper core cable has low voltage loss: Due to the low resistivity of the copper core cable, the same current flows through the same section. The voltage drop of the copper core cable is small. Therefore, the same transmission distance can guarantee higher voltage quality; or, under the condition of allowable voltage drop, the copper core cable can transmit electricity at a relatively long distance, that is, the power supply coverage area is large, which is conducive to network planning and reduction. The number of supply points is set.
3. The copper core cable has a low temperature of heat generation: under the same current, the copper core cable of the same section has a much smaller heating capacity than the aluminum core cable, making the operation more secure.
4. Copper core cables have low energy consumption: Due to the low resistivity of copper, the power loss of copper cables is lower than that of aluminum cables.
5. The copper core cable is resistant to oxidation and corrosion: The connector of the copper core cable has stable performance and will not cause accidents due to oxidation. The joints of the aluminum core cable are often unstable and cause accidents due to increased contact resistance and heat generation due to oxidation. Therefore, the accident rate is much larger than that of the copper core cable.
6. Copper core cable construction is convenient: As the copper core has good flexibility, the allowable radius of curvature is small, so the turning is convenient, and the pipe is easy to wear; since the copper core is resistant to fatigue and repeated bending is not easy to break, the wiring is convenient; and the copper core is mechanical High strength, can withstand greater mechanical pull.
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