Tunneling Special Cables Flexible Cable Rubber Insulation For Energy Supply
Tunneling Special Cables Flexible Cable Rubber Insulation For Energy Supply image
3GHSSHCH 3.6/6kV and 6/10kV flexible cable for energy supply to MV equipment in tunneling
APPLICATION
CONSTRUCTION
Phase Conductor
Insulation
Semi-Conductive Layers
Protective Earth Conductor
Control Conductor
Central Filler
First Inner Sheath
Monitoring Conductor
Second Inner Sheath
Armour
Outer Sheath
Voltage Rating (Uo/U)
Test Voltage
Maximum Short Circuit Temperature
Ambient Temperature
Minimum Bending Radius
Maximum Tensile Load*
Sheath Colour
DIMENSIONS
| VOLTAGE | NO. OF CORES | NOMINAL CROSS SECTIONAL AREA | CONDUCTOR DIAMETER | MINIMUM OVERALL DIAMETER | MAXIMUM | NOMINAL | MAXIMUM | ||
| Phase | Earth | Control | |||||||
| 3.6/6 | 3+3+3+ÜL | 25 | 25/3E | 2.5ST | 6.1 | 47.2 | 52.1 | 4120 | 1125 |
ELECTRICAL CHARACTERISTICS
| NOMINAL CROSS | LAYING ON | FREE IN | REELED | ||||||
| 1 Layer | 2 Layer | 3 Layer | 4 Layer | 5 Layer | 6 Layer | 7 Layer | |||
| 25 | 131 | 138 | 105 | 80 | 64 | 55 | 50 | 35 | 29 |
| NOMINAL CROSS SECTIONAL AREA | POWER FACTOR | |||
| 0.7 | 0.8 | 0.9 | 1.0 | |
| 25 | 1.29 | 1.45 | 1.6 | 1.71 |
DE-RATING FACTORS
| AMBIENT TEMPERATURE | 10ºC | 15ºC | 20ºC | 25ºC | 30ºC | 35ºC | 40ºC | 45ºC | 50ºC | 55ºC | 60ºC | 65ºC | 70ºC | 75ºC | 80ºC |
| DE-RATING FACTOR | 1.15 | 1.12 | 1.08 | 1.04 | 1.00 | 0.96 | 0.91 | 0.87 | 0.82 | 0.76 | 0.71 | 0.65 | 0.58 | 0.50 | 0.41 |
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