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    33KV Power Cables to BS 7835 NR/PS/ELP/00008

    Application

    The cables are used to distribute three phase a.c. electrical power supplies at nominal system voltages of 33KV to traction substations on D.C. electrified lines.

    Standard

    • NR/PS/ELP/00008(formerly RT/E/PS/00008)
    • BS 6622, BS 6234, BS 7454
    • IEC 60502-2, IEC60840

    Cable Construction

    • Electrical Characteristics at 20℃Conductors: Class 1 circular solid aluminium (for 185 mm^2) or class 2 compact circular stranded plain copper (for 300mm^2) to BS EN 60228: 2005 (previously BS 6360).
    • Conductor Screen: Extruded semi-conducting XLPE (Cross-Linked Polyethylene) solidly bonded.
    • Insulation: XLPE (Cross-Linked Polyethylene).
    • Insulation Screen: Extruded semi-conducting XLPE (Cross-Linked Polyethylene), solidly bonded and cold strippable.
    • Separator: Semi conducting water blocking tape.
    • Screen: Copper wire screen, helically wound with equalising copper tape.
    • Separator: Semi conducting water blocking tape.
    • Sheath: Graphite coated MDPE type TS2.
    Nominal Conductor Cross Section mm^2 185 300
    Maximum DC Conductor Resistance Ω/km 0.164 0.0601
    Capacitance μF/km 0.205 0.243
    Voltage Rating KV 19/33 19/33

    Mechanical and Thermal Properties

    • Minimum Bending Radius: 15×OD
    • Temperature Range: 0℃ to +90℃ (during operation); 0℃ to +60℃ (during installation)

    Dimensions and Weight

    Cable Code No. of cores&
    Nominal Conductor
    Cross Sectional Area
    No.×mm^2
    Nominal
    Thickness of
    Conductor Screen
    mm
    Nominal Thickness
    of Insulation
    &Insulation Screen
    mm/mm
    Nominal
    Overall
    Diameter
    mm
    Nominal
    Weight
    kg/km
    RF00008-RHZ1H16-19/33KV-1G185AL 1×185 0.9 8.0/0.6 45.0 2200
    RF00008-RHZ1H16-19/33KV-1G300CU 1×300 0.9 8.0/0.6 50.0 4500

     

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