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Wire and cable technology: wire thickness, and current, power relationship
Current and the cross-sectional area of ??the wire is proportional to the relationship between the larger cross-sectional area of ??the wire, allowing the greater the current through the same time, and the conductor resistivity, the greater the resistivity, allowing the smaller current, About how much of the specific current can be found in the ...
long ago
Japan Electric to achieve a single fiber long distance transmission capacity 50Tbps
Recently, the Japanese Electric Company has demonstrated a single fiber on the transmission capacity to achieve 50.9Tbps, transmission distance greater than 11,000 km. The following are the same as the " According to the introduction, this is the use of C + L band erbium-doped fiber amplifier (EDFA) for the first time to achieve more than 10,000 k...
long ago
The Flexibility of Integrated Wiring Features
The traditional way of wiring is closed and its architecture is fixed, and it is not so difficult to migrate equipment or add equipment that is cumbersome and cumbersome. Integrated wiring using standard transmission cable and related connection hardware, modular design. So all channels are generic. Each channel can support terminals, Ethernet w...
long ago
Considerations for Cable Installation
1,6kv and above cable connector. A, the installation of cable terminal, you must remove the semi-conductive shielding layer, the operation must not damage the insulation, should avoid the knife marks and rugged situation, if necessary, use sandpaper polished; shield end should be smooth, and to graphite Layer (carbon particles) clean. B, pla...
long ago
problems caused by power cables thermal expansion
Key word: Power Cable, Thermal Expansion, Large Size Conductor, Cable Installation, Calculation, Analysis Abstract For absorbing thermal expansion that caused by load current of the cable conductor, snake-like laying is the common but effective installation method for long length cable lines. Especially, the inner mechanical stress formed b...
long ago
what is screen cable
Shielded cable is a special cable outer jacketed braided wire, cable shielding cable refers to the outer braided line has single end grounding, can make the external electromagnetic radiation and magnetic radiation directly into the earth and the inner wire did not interfere. The shielded cable has two layers of shielding. The braided wire is shiel...
long ago
what is shielded twisted copper wire
The coils of the cable wire are called the glint; It is called a double stranded wire or a pair of stranded wires. It is called a triple stranded wire or a three-strand line. The helical symmetry of the four core wires is called the star capstan pair or the star winding group. Stranded wire core in addition to the main function of optimization comb...
long ago
New Submarine Cable System Will be Built Between Argentina and Brazil
Seaborn Networks and Argentina investment company Wilson Group said it plans to create a new submarine cable network that connects Argentina and Brazil. The submarine network, known as ARBR, will be further connected to the United States through Seaborn's Seabras-1 submarine fiber network. The ARBR submarine cable system is a 4-pair fiber-o...
long ago
What is the difference between PVC and xlpe cable?
In the context of electrical cables, PVC and XLPE are two materials used as insulation. XLPE has got more capacity to hold on incase of high temperature. XLPE will not deteriorate it's insulating property until it reaches 90 degree celsius. It will not suddenly lose it's insulating property if the themperature jumps just above 90. But the overal...
long ago
Summary of Materials for Wire and Cable
In a sense, wire and cable manufacturing industry is a finishing and assembly of materials industry. First, the huge amount of materials, cable products in the cost of materials to the total cost of manufacturing 60-90%; At the same time, the benefits of cable manufacturing enterprises and materials selection, processing and production managemen...
long ago
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