Technology Press

Technology Press

  • High Voltage Cables vs. Low Voltage Cables: Understanding the Differences

    High Voltage Cables vs. Low Voltage Cables: Understanding the Differences

    High voltage cables and low voltage cables have distinct structural variances, impacting their performance and applications. The internal composition of these cables reveals the key disparities: High Voltage Cable Str...
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  • Structure of Drag Chain Cable

    Structure of Drag Chain Cable

    A drag chain cable, as the name suggests, is a special cable used inside a drag chain. In situations where equipment units need to move back and forth, to prevent cable entanglement, wear, pulling, hooking, and scattering, cables are often placed inside cable drag chains...
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  • What is Special Cable? What are its Development Trends?

    What is Special Cable? What are its Development Trends?

    Special cables are cables designed for specific environments or applications. They typically possess unique designs and materials to meet specific requirements, offering higher performance and reliability. Special cables find applications acros...
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  • Six Elements for Selecting Fire-Retardant Grades of Wire and Cable

    Six Elements for Selecting Fire-Retardant Grades of Wire and Cable

    During the early stages of construction, overlooking the performance and rear-end load of cables may potentially lead to significant fire hazards. Today, I'll discuss the six major elements to consider for the fire-retardant rating of wires and...
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  • Insulation Requirements for DC Cables and Problems with PP

    Insulation Requirements for DC Cables and Problems with PP

    Currently, the commonly used insulation material for DC cables is polyethylene. However, researchers are continuously seeking more potential insulation materials, such as polypropylene (PP). Nonetheless, using PP as a cable insulation material ...
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  • The Grounding Methods of OPGW Optical Cables

    The Grounding Methods of OPGW Optical Cables

    Generally, for the construction of optical fiber communication networks on the basis of transmission lines, optical cables are deployed within the ground wires of overhead high-voltage transmission lines. This is the application principle of OP...
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  • The performance requirements of railway locomotive cables

    The performance requirements of railway locomotive cables

    Railway locomotive cables belong to special cables and encounter various harsh natural environments during use. These include large temperature variations between day and night, sunlight exposure, weathering, humidity, acid rain, freezing, seaw...
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  • The Structure of Cable Products

    The Structure of Cable Products

    The structural components of wire and cable products can be generally divided into four main parts: conductors, insulation layers, shielding and protective layers, along with filling components and tensile elements. According to the usage requi...
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  • Analysis of Polyethylene Sheath Cracking in Large Section Armored Cables

    Analysis of Polyethylene Sheath Cracking in Large Section Armored Cables

    Polyethylene (PE) is widely used in the insulation and sheathing of power cables and telecommunication cables due to its excellent mechanical strength, toughness, heat resistance, insulation, and chemical stability. However, due to...
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  • Structural Design of New Fire-resistant Cables

    Structural Design of New Fire-resistant Cables

    In the structural design of new fire-resistant cables, cross-linked polyethylene (XLPE) insulated cables are widely used. They exhibit excellent electrical performance, mechanical properties, and environmental durability. Characterized by high operating temperatures, lar...
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  • How can cable factories improve the pass rate of fire-resistant cable fire resistance tests?

    How can cable factories improve the pass rate of fire-resistant cable fire resistance tests?

    In recent years, the usage of fire-resistant cables has been on the rise. This surge is primarily due to users acknowledging the performance of these cables. Consequently, the number of manufacturers producing these cables has also increased. Ensuring the long-term stabi...
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  • Causes and Prevention Measures of Cable Insulation Breakdown

    Causes and Prevention Measures of Cable Insulation Breakdown

    As the power system continues to develop and expand, cables play a pivotal role as a crucial transmission tool. However, the frequent occurrence of cable insulation breakdown poses a severe threat to the safe and sta...
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