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

Application

The Power Cables to BS 7835 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℃

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℃ to +90℃ (during operation); 0℃ to +60℃ (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