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. 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