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What are the advantages of single core cable and multi-core cable?

What are the advantages of single core cable and multi-core cable?

  • Categories:Industry news
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  • Time of issue:2020-01-04
  • Views:12

(Summary description)The advantages of single core cable are small cross-sectional area ratio, not easy to air oxidation, short-circuit capacity impact resistance and long service life. The defect wire of single core wire is relatively hard

What are the advantages of single core cable and multi-core cable?

(Summary description)The advantages of single core cable are small cross-sectional area ratio, not easy to air oxidation, short-circuit capacity impact resistance and long service life. The defect wire of single core wire is relatively hard

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2020-01-04
  • Views:12
Information

The advantages of single core cable are small cross-sectional area ratio, not easy to air oxidation, short-circuit capacity impact resistance and long service life. The defect wire of single core wire is relatively hard, and it is not convenient to pull the wire in some areas, so it is difficult to straighten it after bending, and it is very easy to damage the wire after bending. Advantages of multi-core cable multi-core cable refers to a copper core cable with an upper insulation layer, which can reduce the skin effect of the cable and reduce the line loss.

The defects of multi-core cable are poor compressive strength, easy to break, poor surge current resistance and inconvenient forming. Single core cable or multi-core cable is the best transmission line with the same cross-sectional area. The cost of single copper core cable is better than that of multi copper core cable, while the cost of multi copper core cable is slightly higher.

When installing and wiring conduit, single copper core cable looks a little hard, while multi copper core cable should be softer and stronger. After installation, single core and multi-core are similar in specific applications.
The difference between multi-core cable and single core cable is in circuit capacity. The rated current capacity of single core cable is larger than that of three core cable with the same section; In terms of insulation performance, single core and three core cables need to meet national standards. On the premise of meeting the national standards, there should be a certain safety margin, which can be understood as qualified insulation performance without any difference;

In terms of cable use, the heat dissipation performance of single core cable is greater than that of three core cable (the same type of cable), and the rated current carrying capacity of single core cable with the same cross section is higher than that of three core cable. Under the same load or short circuit, the heat output of single core cable is less than that of three core cable, which makes it safer to use;

In terms of cable laying, the laying of single core cable is more convenient and the bending is easier, but the difficulty of long-distance laying of single core cable is greater than that of three core cable;

In terms of the installation of cable head, the installation of single core cable head is easier and the wiring is convenient;

Multicore cable

Multi core cable refers to the cable with more than one insulated core. Cable plays an important role in electronic products and electronic systems. It is a key link to connect the functions of electronic products. It is widely used in aerospace, naval warships and other fields.

single-core cable

Single core means that there is only one conductor in an insulating layer. When the voltage exceeds 35kV, most single core cables are used. The relationship between the core and the metal shielding layer can be regarded as the relationship between the coil and the core in the primary winding of a transformer. When the core of a single core cable passes through the current, there will be a magnetic flux cross-linking aluminum package or metal shielding layer, so that the induced voltage will appear at both ends of it.

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