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Performance and application prospects of mineral-insulated cables
Mineral-insulated cables are widely used in modern power distribution systems. Their fire resistance, durability, safety, reliability, ease of installation, and cost-effectiveness are unmatched by traditional power cables. A mineral-insulated cable is an inorganic cable. The outer layer is a seamless copper sheath, and a dense magnesium oxide insulation layer is provided between the sheath and the metal core. Depending on the application, it can be divided into power distribution cables, heating cables and heating elements, thermocouple cables and compensation cables, and special cables, among which power distribution cables are the most commonly used in practice.
A mineral insulated cable is an inorganic cable. The outer layer of the cable is a seamless copper sheath, with a dense magnesium oxide insulation layer between the sheath and the metal core. Depending on the application, they can be divided into power distribution cables, heating cables and heating elements, thermocouple cables and compensation cables, and special cables. Power distribution cables are the most commonly used in practice.
Mineral insulated cables are easy to install. With the same cross-sectional area, the outer diameter, volume, and weight of mineral insulated cables are much smaller than traditional cables. According to scholar calculations, in 1050A three-phase AC lines, mineral insulated cables are lighter than rubber insulated cables 30 % and smaller in volume 67 %. According to Underwriters Laboratories ( UL ), mineral insulated cables are lighter than other cables 60 % and require less space 80 %. In addition, the allowable bending radius of mineral insulated cables is much smaller than that of other cables. Depending on the specifications, the bending radius is between 2-6 times the cable's outer diameter, much smaller than traditional cables. Therefore, the installation requirements are more relaxed than traditional cables, requiring less space, lower labor intensity, and much easier installation than traditional cables.
Mineral insulated cables have been widely used in high-rise buildings, petrochemicals, airports, tunnels, ships, offshore oil platforms, aerospace, iron and steel metallurgy, shopping malls, parking lots, etc. The application prospects are broad.
Hongsheng Wire and Cable Co., Ltd. is a manufacturer of mineral insulated cables. The company is large in scale, with good product quality and good service attitude, making it worth choosing and trusting!
Mineral cable
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2021-04-13
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