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.

Reference Standards

• 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.

Mechanical and Thermal Properties

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

Dimensions and Weight