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 |