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        • Name: Cable with Rated Voltage of 6 to 30kV
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        1.Purpose

        The product is applied to power transmission and distribution systems in distribution networks with rated voltage of 6 to 30kV or fixed installation places of power systems for industrial devices.

         

        2.Product Type and Name

        Type Name Execution
        Standard
        Copper Core Aluminum Core
        VV VLV Polyvinyl Chloride Insulated Polyvinyl
        Chloride Jacket Power Cable
        GB/T12706-2008
        VY VLY Polyvinyl Chloride Insulated
        Polyethylene Jacket Power Cable
        VV22 VLV22 Polyvinyl Chloride Insulated Steel Tape
        Armored Polyvinyl Chloride Jacket Power Cable
        VV23 VLV23 Polyvinyl Chloride Insulated Steel Tape
        Armored Polyethylene Jacket Power Cable
        VV32 VLV32 Polyvinyl Chloride Insulated Fine Steel Wire
        Armored Polyvinyl Chloride Jacket Power Cable
        VV33 VLV33 Polyvinyl Chloride Insulated Fine Steel Wire
        Armored Polyethylene Jacket Power Cable
        VV42 VLV42 Polyvinyl Chloride Insulated Heavy Steel Wire
        Armored Polyvinyl Chloride Jacket Power Cable
        VV43 VLV43 Polyvinyl Chloride Insulated Heavy Steel Wire
        Armored Polyethylene Jacket Power Cable
        YJV YJLV Cross-linked Polyethylene Insulated
        Polyvinyl Chloride Jacket Power Cable
        YJY YJLY Cross-linked Polyethylene Insulated
        Polyethylene Jacket Power Cable
        YJV22 YJLV22 Cross-linked Polyethylene Insulated Steel Tape
        Armored Polyvinyl Chloride Jacket Power Cable
        YJV23 YJLV23 Cross-linked Polyethylene Insulated Steel
        Tape Armored Polyethylene Jacket Power Cable
        YJV32 YJLV32 Cross-linked Polyethylene Insulated Fine Steel
        Wire Armored Polyvinyl Chloride Jacket Power Cable
        YJV33 YJLV33 Cross-linked Polyethylene Insulated Fine Steel
        Wire Armored Polyethylene Jacket Power Cable

         

        3.Other Comments

        a. For cables with polyvinyl chloride insulated or polyvinyl chloride jacket, the laying temperature of cables should not be 0℃;

        b. Max. Working Temperature Long-term Allowed by Cable Conductor:

          Polyvinyl Chloride (PVC/A) Insulation: Not More Than 70℃;

          Cross-linked Polyethylene(XLPE) Insulation: Not More Than 90℃;

        c. Max. Temperature of Cable in Short Circuit (longest endurance is not more than 5s):

          Polyvinyl Chloride (PVC/A) Insulation: 160℃ when the conductor cross section is less than or equal to 300mm2 and 140℃ when the conductor cross section is more than 300mm2;

          Cross-linked Polyethylene(XLPE) Insulation: 250℃

        d. Min. Bending Radius in Installation of Cable(D: Outer Diameter of Cable)

         

        Item Single-core Cable Three-core and
        above Cable
        Non-armored Armored Non-armored Armored
        Min. Bending Radius in Installation of Cable 20D 15D 15D 12D
        Min. Bending Radius of Cable Close to
        Connection Box and Terminal (make careful control
        in bending, for example, using molded guide plates, etc.)
        15D 12D 12D 10D
        error

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