Long-term allowable operating temperature of high voltage mining cable is not more than 65℃/90℃.
1.Long-term allowable operating temperature of high voltage mining cable is not more than 65℃/90℃.
2.The lowest temperature of high voltage mining cable should more than-35℃.
3.This high voltage mining cable of shield machine is mainly used for heavy equipment for open-pit mine and underground digging under the voltage system of 8.7/15kV.
4.The bending radius:not more than 6 times of cable diameter.
No.ofcore | NormalArea(mm²) | Construction(No./mm) | Sheaththickness(mm) | OveralDiameter(mm) | Insulationthickness(mm) | MaxConductor resistanceat20°C(Ω/km)Bare | MaxConductorresistanceat 20°C(Ω/km)Tinned |
1 | 0.75 | 24/0.20 | 0.8 | 4.6±0.2 | 0.8 | 26 | 26.7 |
1.0 | 32/0.20 | 0.8 | 4.8±0.2 | 0.8 | 19.5 | 20 | |
1.5 | 30/0.25 | 0.8 | 5.1±0.2 | 0.8 | 13.3 | 13.7 | |
2 | 0.75 | 24/.02 | 0.6 | 6.4±0.2 | 0.8 | 26 | 26.7 |
1.0 | 32/0.2 | 0.6 | 6.9±0.2 | 0.9 | 19.5 | 20 | |
3 | 0.75 | 24/0.2 | 0.6 | 7.0±0.2 | 0.9 | 26 | 26.7 |
1.0 | 32/0.2 | 0.6 | 7.4±0.2 | 0.9 | 19.5 | 20 |
