The MV power cables have the capacity of both power transmission and optical fiber communication. Suitable for the composite system of power transmission and distribution and optical fiber communication with rated voltage of 3.6/6 – 26/35kV
STANDARD:
GB/T12706; IEC60502-2
Or as per other standards request by customer
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Conductor： |
Copper, or aluminum, or aluminium alloy 8030, as per IEC60228 Class 2 |
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Conductor screen: |
Semi-conducting compound |
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Insulation: |
XLPE or TR-XLPE or HEPR |
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Insulation screen: |
Semi-conducting compound |
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Metallic screen: |
-Copper tape screen (CTS), or
- Copper wire screen plus one equalizing copper tape open counter-helix (CWS)
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Optical fiber cores |
To be placed in the filler interspaces for three core cables, or between the copper wires screen for single core cable |
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Filler: |
Non-hygroscopic polypropylene (PP) yarn |
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Binder tape |
Non-hygroscopic tape |
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Inner sheath(for armoured cable): |
Extruded PVC, or PE, or LSOH |
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Armour (for armoured cable): |
-Single core: non-magnetic stainless steel wire(SUSWA), or non-magnetic stainless steel tape(DSUSTA), or non-magnetic round aluminium wire (AWA);
-Three-core: galvanized steel tape(DSTA), or galvanized steel wire(SWA);
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Outersheath: |
Extruded PVC, or PE, or LSOH |
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Rated Voltage
Uo/U (Um)
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Number of cores |
Range of Sizes |
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Copper conductor |
Aluminum conductor |
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3.6/6kV (7.2kV)
6/10kV (12kV)
8.7/15kV (17.5kV)
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Single core |
16mm2～1000mm2 |
25mm2～1200mm2 |
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Three core |
16mm2～500mm2 |
25mm2～500mm2 |
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12/20kV (24kV)
18/30kV (36kV)
26/35kV (40.5kV)
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Single core |
35mm2～1000mm2 |
35mm2～1200mm2 |
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Three core |
35mm2～500mm2 |
35mm2～500mm2 |
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Single core：by natural colour of insulation
Three- core：by coloured plastic tape of yellow, green and red, or by printing number 1, 2, 3, or as per customer’s requirement
SHEATH COLOR:
black, or as per customer’s requirement
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Max. conductor temp. in service |
Max. short circuit temp. (5s) |
Min. installation |
Flame-retardant |
Min. bending radius when laying |
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Flame retardant |
Low smoke |
Halogen free IEC60754 |
Anti-termite |
Anti-rodent |
UV resistant |
Water blocking |
