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Main classification and application of wire and cable products

Release time:2020-12-25 11:14:50Popularity:

The application of wire and cable is mainly divided into three categories

       1. Power system

       The wire and cable products used in the power system mainly include overhead bare wires, busbars (bus bars), power cables (plastic cables, oil-paper cables (basically replaced by plastic power cables), rubber cables, overhead insulated cables), branch cables (Replace part of the bus), electromagnetic wires, and electrical equipment wires and cables for power equipment. The Internet TV line is different.

       2. Information transmission system

       Wires and cables used in information transmission systems mainly include local telephone cables, television cables, electronic cables, radio frequency cables, optical fiber cables, data cables, electromagnetic wires, power communications or other composite cables.

       3. Mechanical equipment, instrumentation system

       This part has applications in almost all products except overhead bare wires, but mainly power cables, magnet wires, data cables, instrumentation cables, etc.

       Wire and cable products are mainly divided into five categories

       1. Bare wires and bare conductor products

       The main features of this type of products are: pure conductive metal, no insulation and sheath, such as steel core aluminum stranded wire, copper-aluminum busbar, electric locomotive wire, etc.; the processing technology is mainly pressure processing, such as melting, rolling, drawing The products are mainly used in suburbs, rural areas, user main lines, switch cabinets, etc.

       2. Power cable

       The main features of this type of product are: squeeze (wind) the insulation layer outside the conductor, such as overhead insulated cables, or twist several cores (corresponding to the phase wires, 0 wires and ground wires of the power system), such as overhead insulated cables with more than two cores , Or add a sheath layer, such as plastic/rubber wire and cable. The main process technologies include drawing, stranding, insulation extrusion (winding), cable formation, armoring, sheath extrusion, etc. There are certain differences in the different process combinations of various products. The Internet TV line is different.

       The products are mainly used in the transmission of strong electric energy in power generation, distribution, transmission, transformation, and power supply lines, with large currents (tens of amperes to several thousand amperes) and high voltages (220V to 500kV and above).

       3. Wires and cables for electrical equipment

       The main features of this type of products are: a wide range of varieties and specifications, a wide range of applications, and the use of more voltages of 1kV and below. In the face of special occasions, new products are continuously derived, such as fire-resistant cables, flame-retardant cables, low-smoke and halogen-free/low Smoke and low halogen cables, anti-termite cables, anti-mouse cables, oil/cold/temperature/wear-resistant cables, medical/agricultural/mining cables, thin-walled cables, etc.

       4. Communication cables and optical fibers (a brief introduction)

       With the rapid development of the communications industry in the past two decades, products have also developed at an astonishing speed. From the simple telephone and telegraph cables in the past, it has developed to thousands of pairs of voice cables, coaxial cables, optical cables, data cables, and even combined communication cables. The Internet TV line is different.

       The structure size of this kind of products is usually small and uniform, and the manufacturing precision is high.

       5. Magnet wire (winding wire)

       Mainly used in various motors, instruments, etc.

       Derivatives/New Products of Wire and Cable

       Derivatives/new products of wire and cable are mainly due to different application occasions, different application requirements, convenience of equipment and requirements of equipment cost reduction, etc., and the use of new materials, special materials, or changing product structure, or improving process requirements, or different Varieties of products are combined.

       Use different materials such as flame-retardant cables, low-smoke zero-halogen/low-smoke low-halogen cables, anti-termite, anti-mouse cables, oil/cold/temperature resistant cables, etc.;

       Change the product structure, such as: fire-resistant cables, etc.; network TV lines are different.

       Improve process requirements such as: medical cables, etc.;

       Combination products such as OPGW, etc.;

       It is convenient to install and reduce equipment costs, such as prefabricated branch cables.

       Wire and cable is a product that transmits electromagnetic energy, information and realizes electromagnetic energy conversion.

       In a broad sense, wires and cables are referred to as cables. In a narrow sense, a cable refers to an insulated cable, which is composed of one or more insulated cores and the protective layer they may have.

       my country's wire and cable products are generally divided into five categories according to their uses. The Internet TV line is different.

       1. Bare wires refer to products with only conductors and no insulation.

       2. Winding wires (also called electromagnetic wires) are generally used in the form of coils. The main function is to realize the conversion between electric and magnetic energy. According to characteristics, it can be divided into enameled wire, wrapped wire, inorganic insulated wire, etc.

       3. Power cable is a cable product used to transmit and distribute high-power electrical energy in the power system.

       4. Communication electric (optical) cables are used to transmit data and information. The Internet TV line is different.

       5. Cables for electrical equipment refer to wires and cables for power supply connection lines of various electrical equipment and electrical appliances, wires and cables for electrical installation lines and control signals in various industrial and agricultural equipment.

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