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2XS(FL)2Y HDPE High Voltage 26/45 (52) kV Power Cable
2XS(FL)2Y HDPE High Voltage 26/45 (52) kV Power Cable is a high-performance XLPE-insulated cable designed for medium-to-high voltage transmission. It features a copper or aluminum conductor (optional watertightness – WTC), extruded semi-conductive conductor, and insulation screens, and water-swellable tapes for longitudinal water blocking. A longitudinally applied aluminium tape moisture barrier coated with PE copolymer provides excellent mechanical protection and resistance to moisture ingress. The HDPE oversheath offers superior abrasion resistance, chemical resistance, and durability, making it suitable for underground, underwater, outdoor, indoor, and duct installations in power stations, industrial plants, and distribution networks. Compliant with IEC 60840 standards, it ensures reliable performance in demanding environments.
- Voltage Rating(Uo/U)(Um) 26/45 kV(52kV)
Construction
Technical Specifications
Quality Control
Application
Construction
2XS(FL)2Y HDPE High Voltage 26/45 (52) kV Power Cable Constrution
Conductor
Copper conductor (optional watertightness – WTC)
Insulation
XLPE (Cross-Linked Polyethylene)
Conductor Screen
Semi-conductive screen extruded on the phase conductor
Insulation Screen
Semi-conductive screen extruded on insulation
Wrapping
Semi-conductive water swelling tape
Metallic Screen
Copper wires and equalising tape
Sheath
HDPE (High-Density Polyethylene)Optional —semi-conductive layer
Sheath Colour
Black
Manufacturer Standard
IEC 60840
Tape
Longitudinally applied aluminium tape coated with PE copolymer
Application
2XS(FL)2Y HDPE High Voltage 26/45 (52) kV power cable is designed for distribution networks and connections to generation units, plants, and processes. It is suitable for installation underground, underwater, outdoors, indoors, and in cable ducts for power stations, industrial sites, and distribution systems. The cable features water-blocking tape to prevent water propagation inside, ensuring reliable operation in diverse environments.
Technical Specifications
2XS(FL)2Y HDPE High Voltage 26/45 (52) kV Power Cable
2XS(FL)2Y HDPE High Voltage 26/45 (52) kV Power Cable
|
No. Of Cores |
NOMINAL CROSS SECTIONAL AREA mm2 |
INSULATION mm |
METALLIC SCREEN |
NOMINAL WEIGHT kg/km |
MAXIMUM PULLING FORCE kN |
||
| Nominal thickness |
Nominal diameter over |
Nominal cross section mm2 |
Nominal diameter over mm |
||||
| 1 | 95RM | 9.0 | 30.7 | 35 | 34.5 | 2270 | 4.8 |
| 1 | 120RM | 9.0 | 32.0 | 35 | 35.8 | 2550 | 6.0 |
| 1 | 150RM | 9.0 | 33.6 | 35 | 37.4 | 2860 | 7.5 |
| 1 | 185RM | 9.0 | 35.0 | 35 | 38.8 | 3240 | 9.3 |
| 1 | 240RM | 9.0 | 37.7 | 35 | 41.5 | 3940 | 12.0 |
| 1 | 300RM | 9.0 | 39.7 | 35 | 43.5 | 4500 | 15.0 |
| 1 | 400RM | 9.0 | 43.2 | 35 | 47.4 | 5480 | 20.0 |
| 1 | 500RM | 9.0 | 46.0 | 35 | 50.2 | 6600 | 25.0 |
| 1 | 630RM | 9.0 | 50.1 | 35 | 54.3 | 8020 | 31.5 |
| 1 | 800RM | 9.0 | 54.5 | 35 | 58.7 | 9770 | 40.0 |
| 1 | 1000RM | 9.0 | 58.5 | 35 | 63.1 | 11910 | 50.0 |
| 1 | 1200RMS | 9.0 | 63.8 | 50 | 68.4 | 14260 | 60.0 |
| 1 | 1400RMS | 9.0 | 68.0 | 50 | 72.6 | 16130 | 70.0 |
| 1 | 1600RMS | 9.0 | 71.8 | 50 | 76.4 | 18300 | 80.0 |
| 1 | 1800RMS | 9.0 | 75.4 | 50 | 80.0 | 20660 | 90.0 |
| 1 | 2000RMS | 9.0 | 76.8 | 50 | 81.4 | 22200 | 100.0 |
| 1 | 2500RMS | 9.0 | 83.2 | 50 | 88.2 | 27340 | 100.0 |
| 1 | 3000RMS | 9.0 | 91.6 | 50 | 96.6 | 33410 | 100.0 |
Quality Control
2XS(FL)2Y HDPE High Voltage 26/45 (52) kV Power Cable
Raw Material Test
Raw Material Test for 2XS(FL)2Y HDPE 26/45 (52) kV Power Cable ensures high-voltage quality and longitudinal water-blocking performance. The detailed process includes: Supplier Certification Review: Verify stranded copper conductors meet IEC 60228 class 2 for purity, stranding, and conductivity; XLPE insulation compound certified to IEC 62067/IEC 60840 for electrical/thermal properties; water-blocking materials (swellable tapes/powders) and aluminium laminated foil certified for longitudinal sealing; HDPE sheath compound certified for mechanical and environmental resistance. Conductor Analysis: Test copper for tensile strength (>200 MPa), elongation (>10–15%), conductivity (≥97% IACS), and surface quality (no oxidation/cracks).
Process inspection
Process Inspection during manufacturing of 2XS(FL)2Y HDPE 26/45 (52) kV Power Cable maintains HV integrity and water-blocking effectiveness. Steps include: Conductor Stranding: Monitor class 2 stranding for uniform lay length, compactness, and no loose strands. Triple Extrusion: Apply semi-conductive conductor screen, XLPE insulation, and semi-conductive insulation screen in continuous triple extrusion; inline diameter scanners, eccentricity monitors, and spark testers detect voids/defects. Water-Blocking Application: Insert longitudinal water-blocking tapes/powders around core assembly to prevent axial water migration. Screening Application: Apply concentric copper wire screen and aluminium laminated foil with precise overlap/coverage for effective shielding and longitudinal sealing. Outer Sheath Extrusion: Extrude HDPE sheath; real-time checks on thickness, surface finish, adhesion, and sheath integrity.
Finished Product
Finished Product Test confirms the 2XS(FL)2Y HDPE 26/45 (52) kV Power Cable meets high-voltage standards before shipment. The procedure includes: Visual & Dimensional Inspection: Examine full length for defects, uniformity, markings, and measure outer diameter/weight per meter. Electrical Tests: DC resistance, insulation resistance (>1000 MΩ·km), high-voltage AC withstand (95kV/1h or per IEC 60840), lightning impulse test (e.g., 325kV peak), partial discharge (<5 pC), and screen continuity. Water-Blocking Performance: Longitudinal water penetration test (IEC 60840 or equivalent, 1 bar/14 days or higher pressure simulation) to verify no axial water migration. Mechanical Evaluation: Bending radius (15–20× OD), tensile strength, crush resistance, and impact tests. Sheath & Insulation Performance: Thermal aging (135°C/168h), hot set test, environmental stress cracking resistance (ESCR), UV aging, and moisture resistance verified.
Application
The 2XS(FL)2Y HDPE 26/45 (52) kV Power Cable is perfect for 26/45 kV underground transmission lines, direct-buried distribution networks, river/lake crossings, substation interconnections, industrial HV feeders, and wet environment HV installations requiring XLPE-insulated, longitudinally water-blocked cable with high electrical and mechanical performance.
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
Product Packaging
Wires and Cables packaging (1)
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Wires and Cables packaging (3)
Wires and Cables packaging (4)
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Wires and Cables packaging (7)
Wires and Cables packaging (8)
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What are the advantages of power cables and overhead lines?(1) Reliable operation, because it is installed in a hidden place such as underground, it is less damaged by external forces, has less chance of failure, and the power supply is safe, and it will not cause harm to people; (2) The maintenance workload is small and frequent inspections are not required; (3) No need to erect towers; (4) Help improve power factor.
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Which aspects should be considered when choosing the cross section of a power cable?(1) The long-term allowable working current of the cable; (2) Thermal stability once short circuited; (3) The voltage drop on the line cannot exceed the allowable working range.
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What are the measures for cable fire prevention?(1) Use flame-retardant cables; (2) Use fireproof cable tray; (3) Use fireproof paint; (4) Fire partition walls and fire baffles are installed at cable tunnels, mezzanine exits, etc.; (5) Overhead cables should avoid oil pipelines and explosion-proof doors, otherwise local pipes or heat insulation and fire prevention measures should be taken.
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What should be paid attention to during the transportation and handling of cables?(1) During transportation, loading and unloading, cables and cable reels should not be damaged. It is strictly forbidden to push the cable reels directly from the vehicle. Generally, cables should not be transported and stored flat. (2) Before transporting or rolling the cable reel, ensure that the cable reel is firm, the cable is wound tightly, the oil pipe between the oil-filled cable and the pressure oil tank should be fixed without damage, the pressure oil tank should be firm, and the pressure indication should meet the requirements.
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What inspections should be carried out for the acceptance of cable lines?(1) The cable specifications should meet the regulations, the arrangement should be neat, no damage, and the signs should be complete, correct and clear; (2) The fixed bending radius of the cable, the related distance and the wiring of the metal sheath of the single-core power cable should meet the requirements; (3) The cable terminal and the middle head should not leak oil, and the installation should be firm. The oil pressure of the oil-filled cable and the meter setting should meet the requirements; (4) Good grounding; (5) The color of the cable terminal is correct, and the metal parts such as the bracket are completely painted; (6) There should be no debris in the cable trench, tunnel, and bridge, and the cover should be complete.
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