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

33KV-Power-Cables
  • 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.

Electrical Characteristics at 20℃

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