Tian Da Lian logarithmic cable HYA5330 * 2 * 0.5 manufacturer

Description :

　　The principle and characteristics of power line carrier communication: 1. Power line carrier communication refers to the technology of using existing power lines to transmit analog or digital signals at high speed through carrier methods. The most basic task in power line carrier communication systems is to select different modulation methods according to the different communication channels.

　　2. Generally speaking, baseband signals contain DC components and lower frequency components, which cannot be directly transmitted as transmission signals in the channel. Therefore, it is necessary to convert the baseband signal into a bandpass signal (modulated signal) that is very high relative to the baseband frequency to be suitable for channel transmission.

　　3. The quality of a communication system largely depends on the modulation method used. In order to match the signal characteristics with the channel characteristics during modulation, the choice of modulation method is determined by the channel characteristics in the system. Obviously, different types of channel characteristics will correspond to different types of modulation methods.

　　Tian Da Lian logarithmic cable HYA5330 * 2 * 0.5 manufacturer

　　Application areas of wires and cables: 1. Communication cables and optical fibers, mainly used in the broadband communication industry. With the rapid development of the communication industry in the past two decades, products have also experienced astonishing growth rates. From simple telephone and telegraph cables in the past to thousands of pairs of telephone cables, coaxial cables, fiber optic cables, data cables, composite communication cables, etc. This type of product structure requires high manufacturing accuracy.

　　2. Power cables are used for power transmission. The main features of this type of product are: extruding (winding) an insulation layer outside the conductor, such as overhead insulated cables, or twisting several cores (corresponding to the phase line, neutral line, and ground line of the power system), such as two core or more overhead insulated cables, or adding a protective sheath layer, such as plastic/rubber sheathed wires and cables. The main process technologies include drawing, twisting, insulation extrusion (wrapping), cabling, armor, protective layer extrusion, etc. The different process combinations of various products have certain differences. The product is mainly used for the transmission of strong electrical energy in power generation, distribution, transmission, transformation, and power supply lines, with high currents (tens of amps to thousands of amps) and high voltages (220V to 500kV and above).

　　3. Electrical equipment wires and cables are used in special occasions. The main features of this type of product are: a wide variety of specifications, a wide range of applications, and a high usage voltage of 1kV and below. In the face of special occasions, new products are constantly emerging, such as fire-resistant cables, flame-retardant cables, low smoke halogen-free/low smoke low halogen cables, anti termite, anti mouse cables, oil resistant/cold resistant/temperature resistant/wear-resistant cables, medical/agricultural/mining cables, thin-walled wires, etc.

　　4. Bare wires and bare conductor products are mainly used as semi-finished products for various wires and cables, with a small amount used in the manufacturing of communication wires and electrical appliances.. This type of pure conductor metal has no insulation or sheath layer, such as steel cored aluminum stranded wire, copper aluminum busbar, electric locomotive line, etc; The processing technology mainly involves pressure processing, such as melting, rolling, drawing, twisting/compression twisting, etc; The product is mainly used in suburban areas, rural areas, user main lines, switchgear, etc.

　　5. Electromagnetic wire (winding wire) is mainly used for various motors, instruments, etc. This type of derivative/new product belongs to the category of wires and cables, mainly due to different application scenarios, application requirements, equipment convenience, and requirements for reducing equipment costs, etc., which require the use of new materials, special materials, or changes in product structure. Using different materials such as flame-retardant cables, low smoke halogen-free/low smoke halogen-free cables, anti termite, anti mouse cables, oil resistant/cold resistant/temperature resistant cables, etc; Changing product structure, such as fire-resistant cables; Improve process requirements such as medical cables, etc; Combination products such as OPGW, etc; Convenient installation and reduced equipment costs, such as prefabricated branch cables.

　　Tian Da Lian logarithmic cable HYA5330 * 2 * 0.5 manufacturer

AfterSalesService :

• Large logarithmic cable HYA