Conducting The Energy - Xinfeng Cable

12-20kV (12.7-22kV) Armoured Cable

XLPE Insulated Medium Voltage electrical cable manufacturer

Application

XLPE(Cross linked polyethylene) cable constitutes the best cable for transmission and distribution lines because of its excellent electrical and physical properties. These cables has the advantage of simplicity in construction, lightness in weight; convenience in application besides its excellent electrical, thermal, mechanical and anti-chemical corrosion properties. It can also be laid with no limitation of level difference along the route.

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Standards

GB/12706.2, IEC60502-2,BS 6622 , VDE 0276, HD 620 S1,NFC 33-226, IS 1554 , IS 7098 and ICEA S-66-524 etc.

20kV steel wire or steel tape armoured cable structure

Construction

Conductor: Circular compacted stranded Copper or aluminium

Conductor screen: Extruded semi-conductive compound

Insulation: XLPE

Insulation screen: Extruded semi-conductive compound

Metallic screen: Copper tape

Binder tape: non-hygroscopic material

Inner covering(bedding): Extruded PVC

Metallic armor: Galvanized steel wire or Galvanized steel tape

Filler: non-hygroscopic material

Sheath: PVC

Binder tape: non-hygroscopic material

Characteristics

The product is suitable for power transmission and distribution lines with rated power frequency voltage 6kV~35 kV.

  • Rated voltages U0/U(Um): 3.6/6(7.2)kV,6/10(12) kV, 8.7/15(17.5) kV, 12/20(24) kV, 18/30(36) kV; 21/35(40.5) kV; 26/35(40.5) kV;
    Note: The above rated voltages are equivalent to 3.8/6.6(7.2)kV,6.35/11(12) kV, 8.7/15(17.5) kV, 12.7/22(24) kV, 19/33(36) kV;
    U0 :Rated power-frequency voltage between conductor and earth or armour, metal sheath or screen for which the cable is suitable.
    U :Rated power-frequency voltage between phase conductors for which the cable is suitable.
    Um :Maximum value of the highest system voltage between phase conductors for which the cable is suitable.
  • The ambient temperature for installation: ≥0℃
  • Maximum conductor temperature in normal operation:≤90℃
  • Max operating temperature of con. When cable short-circuited(5s maximum duration): 250℃
  • Permissible minimum bending radius:
    Single unarmoured cable: 20 x OD
    Multi-core unarmoured cable: 15 x OD
    Single armoured cable: 5 x OD
    Multi-core armoured cable: 12 x OD
    Note : OD=Overall Diameter of Cable

Specifications

Product Type

General type VDE type Description Application
CU/XLPE/PVC (AL/XLPE/PVC) N2XSY N2XSEY (NA2XSY NA2XSEY) Cu conductor(Al conductor)XLPE insulated PVC sheathed power cable Laying indoors, in tunnel, fixed on the bracket, pipe and buried in the soil, the cable cannot bear external mechanical forces.
CU/XLPE/PE (AL/XLPE/PE) N2XS2Y N2XSE2Y (NA2XS2Y NA2XSE2Y) Cu conductor(Al conductor)XLPE insulated PE sheathed power cable
CU/XLPE/STA/PVC (AL/XLPE/STA/PVC) N2XSBY N2XSEBY (NA2XSBY NA2XSEBY) Cu conductor(Al conductor)XLPE insulated double of steel-tape armored PVC sheathed power cable For laying indoors, in tunnel, cable trench, or direct in ground, able to bear external mechanical forces, but unable to bear large pulling force.
CU/XLPE/STA/PE (AL/XLPE/STA/PE) N2XSB2Y N2XSEB2Y (NA2XSB2Y NA2XSEB2Y) Cu conductor(Al conductor)XLPE insulated double of steel-tape armored PE sheathed power cable
CU/XLPE/ATA/PVC (AL/XLPE/ATA/PVC) N2XSBY N2XSEBY (NA2XSBY NA2XSEBY) Cu conductor(Al conductor)XLPE insulated double of aluminium-tape armored PVC sheathed power cable
CU/XLPE/SWA/PVC (AL/XLPE/SWA/PVC) N2XSRY N2XSERY (NA2XSRY NA2XSERY) Cu conductor(Al conductor)XLPE insulated steel-wire armored PVC sheathed power cable For laying indoors, in tunnel, cable trench, well or direct in ground, able to bear external mechanical forces and certain pulling force
CU/XLPE/SWA/PE (AL/XLPE/SWA/PE) N2XSR2Y N2XSER2Y (NA2XSR2Y NA2XSER2Y) Cu conductor(Al conductor)XLPE insulated steel-wire armored PE sheathed power cable
CU/XLPE/AWA/PVC (AL/XLPE/AWA/PVC) N2XSRY N2XSERY (NA2XSRY NA2XSERY) Cu conductor(Al conductor)XLPE insulated aluminium-wire armored PE sheathed power cable

Range of production

No.of cores 3.6/6(7.2) 6/6(7.2)  6/10(12.0) 8.7/10(12) 8.7/15(17.5) 12/20(24.0) 18/30(36.0) 21/35(40.5) 26/35(40.5)
1 25-630 25-630 25-630 25-630 25-630 50-630 50-630
25-630 25-630 25-630 25-630 25-630 50-630 50-630
25-630 25-630 25-630 25-630 25-630 50-630 50-630
25-630 25-630 25-630 25-630 25-630 50-630 50-630
25-630 25-630 25-630 25-630 25-630 50-630 50-630
25-630 25-630 25-630 25-630 25-630 50-630 50-630
3 16-630 16-630 16-630 16-630 16-630 50-400 50-400
16-630 16-630 16-630 16-630 16-630 50-400 50-400
16-630 16-630 16-630 16-630 16-630 50-400 50-400
16-630 16-630 16-630 16-630 16-630 50-400 50-400
16-630 16-630 16-630 16-630 16-630 50-400 50-400
16-630 16-630 16-630 16-630 16-630 50-400 50-400

Product parameters for Single core aluminium tape armored

Specification
mm2
Outer diameter
mm
Approx. outer diameter of cable
mm
Approx. weight of cable
kg/km
Max. D.C. resistance of conductor at 20
Ω/km
Cu Al Cu Al
1×25 6 27.4 1109.1 956.7 0.727 1.2
1×35 7 28.5 1256.8 1044.5 0.524 0.868
1×50 8.4 30 1445.4 1148.8 0.387 0.641
1×70 10 31.7 1717.3 1295.9 0.268 0.443
1×95 11.5 33.3 2014.5 1437 0.193 0.32
1×120 13 34.9 2324.1 1593.7 0.153 0.253
1×150 14.5 36.5 2666.9 1749.2 0.124 0.206
1×185 16.2 39.6 3082.8 1946.6 0.0991 0.164
1×240 18.4 42 3704.8 2225.3 0.0754 0.125
1×300 20.5 44.4 4373.2 2516 0.0601 0.1
1×400 23.5 47.7 5381.8 2959.6 0.047 0.0778
1×500 26.5 51 6501.7 3424 0.0366 0.0605
1×630 30 54.8 7851.3 3997 0.0283 0.0469

Product parameters for Single core aluminium wire armoured

Specification
mm2
Outer diameter
mm
Approx. outer diameter of cable
mm
Approx. weight of cable
kg/km
Max. D.C. resistance of conductor at 20
Ω/km
Cu Al Cu Al
1×25 6 28.6 1113 963 0.727 1.2
1×35 7 31.5 1350 1070 0.524 0.868
1×50 8.4 32.8 1550 1250 0.387 0.641
1×70 10 35.3 1840 1420 0.268 0.443
1×95 11.5 37.1 2160 1570 0.193 0.32
1×120 13 38.5 2470 1730 0.153 0.253
1×150 14.5 40.3 2810 1890 0.124 0.206
1×185 16.2 42.1 3240 2090 0.0991 0.164
1×240 18.4 44.5 4150 2580 0.0754 0.125
1×300 20.5 47.9 4800 2890 0.0601 0.1
1×400 23.5 51.3 5780 3350 0.047 0.0778
1×500 26.5 55.3 6850 3850 0.0366 0.0605
1×630 30 59.4 8380 4400 0.0283 0.0469

Product parameters for Three core steel tape armoured

Specification
mm2
Outer diameter
mm
Approx. outer diameter of cable
mm
Approx. weight of cable
kg/km
Max. D.C. resistance of conductor at 20
Ω/km
Cu Al Cu Al
3×25 6 55.2 3758.8 3292.4 0.727 1.2
3×35 7 57.6 4260.7 3607.8 0.524 0.868
3×50 8.4 60.9 4972.7 4040 0.387 0.641
3×70 10 64.6 5808.5 4502.7 0.268 0.443
3×95 11.5 68.3 6903.7 5131.6 0.193 0.32
3×120 13 71.9 7913.3 5674.8 0.153 0.253
3×150 14.5 75.5 9095.3 6297.3 0.124 0.206
3×185 16.2 79.5 10436.6 6985.6 0.0991 0.164
3×240 18.4 84.7 12398.2 7921.3 0.0754 0.125
3×300 20.5 89.7 14533 8936.9 0.0601 0.1
3×400 23.5 98.2 18934.3 11472.8 0.047 0.0778
3×500 26.5 106.9 22890 13739 0.0366 0.0605

Product parameters for Three core steel wire armored armored

Specification
mm2
Outer diameter
mm
Approx. outer diameter of cable
mm
Approx. weight of cable
kg/km
Max. D.C. resistance of conductor at 20
Ω/km
Cu Al Cu Al
3×25 6 55.4 5258 4801 0.727 1.2
3×35 7 57.7 5793 5158 0.524 0.868
3×50 8.4 60.8 6464 5602 0.387 0.641
3×70 10 64.4 7449 6208 0.268 0.443
3×95 11.5 67.9 8579 6854 0.193 0.32
3×120 13 73.9 10656 8482 0.153 0.253
3×150 14.5 76.2 11731 9044 0.124 0.206
3×185 16.2 80.8 13286 9930 0.0991 0.164
3×240 18.4 85.3 15471 11056 0.0754 0.125
3×300 20.5 90.2 17801 12254 0.0601 0.1
3×400 23.5 96.7 21021 13944 0.047 0.0778
3×500 26.5 110.2 26770 17618 0.0366 0.0605

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