Low Voltage Power Cable
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6.35/11kV AL/XLPE/STA/PVC


6.35/11kV AL/XLPE/STA/PVC(or PE) Power Cable

Description Construction:
Compacted stranded circular aluminium conductor, extruded semi-conducting compound as conductor screen, cross-linked polyethylene(XLPE) insulation, semi-conducting compound as insulation screen, copper tape or combination of copper wire and tape as metallic screen, three cores assembled together with non-hygroscopic polypropylene filler, wrapped with binder tape, PVC inner covering as armour bedding, double steel tape armoured, PVC or PE outer sheath.

U0 is the rated power frequency voltage between conductor and earth or metallic screen for which the cable is designed;
U is the rated power frequency voltage between conductors for which the cable is designed;
Um is the maximum value of the “highest system voltage” for which the equipment may be used.
Max. permissible continuous operating temperature of conductor: 90 °C
Max. temperature of conductor during short-circuit (5s max. duration) shall not exceed: 250 °C
The ambient temperature under installation should not be lower than: 0 °C

The bending radius of cable is recommended as following:
For single core cable: not less than 15 times of the diameter of cable
For three core cable: not less than 12 times of the diameter of cable
When the armoured single core cable used for Alternative Current(AC) system, the armour material should be non-magnetic.

Application
The cable is used for fixed installations such as electric power distribution networks or industrial installations, which is laid indoors, outdoors, in tunnel, in cable trench, or direct in ground, able to bear external mechanical force, but unable to bear large pulling force.

Manufacturing Standards GB/T 12706-2008, IEC 60502-2
 Type Description No. of cores Nominal cross section of conductor
YJLV22 Aluminium conductor/XLPE insulation/Steel Tape Armoured/PVC outer sheath Power Cable 1 or 3 25~800mm2
YJLV23 Aluminium conductor/XLPE insulation/Steel Tape Armoured/PE outer sheath Power Cable 1 or 3 25~800mm2
ZA-YJLV22 ZB-YJLV22 ZC-YJLV22 Aluminium conductor/XLPE insulation/Steel Tape Armoured flame-retardant Power Cable 1 or 3 25~800mm2
WDZA-YJLY23 WDZB-YJLY23 WDZC-YJLY23 Aluminium conductor/XLPE insulation/Steel Tape Armoured Low Smoke Halogen Free or Zero Halogen (LSHF or LSZH) flame-retardant Power Cable 1 or 3 25~800mm2


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