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

 

Applications :

  • 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. electrifi ed lines.

Standards :

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

 

Construction :

  • Conductors : Class 1 circular solid aluminium (for 185 mm²) or class 2 compact circular stranded plain copper (for 300mm²) 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 °C :

  • Nominal Conductor Cross Section mm² 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°C to +90°C(during operation) ; 0°C to +60°C (during installation).

Dimensions and Weight :

 

Cable Code No. of cores&
Nominal Conductor
Cross Sectional Area
No.×mm²
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

 

 

 
UV Resistant
Water Resistant
 
Laid In Ducts
Buried in Ciround
Zero Halogen
IEC 60754-1/NF C20-454
EN 50267-2-1