15kv XLPE 133% Insulation Armoured Power Cable Copper Conductor Cover 3X2 AWG

1. Core Technical Parameters

1. Voltage rating: 8.7/15kV (133% standard insulation thickness)

2. Conductor size: 3×2 AWG (33.6mm²) annealed copper

3. Conductor construction: IEC 60228 Class 2 stranded

4. Insulation thickness: 4.5mm (133% of standard 3.4mm)

5. Shielding system:

• Conductor screen: 0.8mm semicon

• Insulation screen: 0.8mm semicon

• Metallic screen: Copper tape

6. Armor: Double-layer galvanized Steel Tape (0.2mm×2)

7. Outer sheath: Black PVC 2.5mm thick

8. Electrical performance:

• AC withstand: 22kV/30min

• Partial discharge: ≤10pC at 1.73U0

9. Temperature rating:

• Continuous operation: 90℃

• Short-circuit: 250℃/5s

2. Construction Features

1. Enhanced insulation: 33% thicker than standard

2. Triple-screen system: Ensures uniform field distribution

3. Armor construction: Double-layer with ≥50% overlap

4. Corrosion protection: Galvanized steel + water-blocking tape

5. Options: Flame-retardant/UV-resistant sheath

3. Special Performance

1. Passed IEEE 48 full-scale aging test

2. Lightning impulse level ≥125kV

3. Waterproof rating: IP68

4. Mechanical strength:

• Crush resistance ≥3000N/10cm

• Impact resistance ≥10J

5. Service life: Designed for >30 years

4. Typical Applications

1. Offshore platform power systems

2. Underground mining main Power Lines

3. Chemical plant hazardous areas

4. Rail transit traction substations

5. Nuclear power plant auxiliary systems

5. Manufacturing Process

1. Conductor: 54-basket strander with compacting dies

2. XLPE insulation: CCV triple extrusion line

3. Armoring: Auto-tension controlled application

4. Quality control:

• Online X-ray inspection

• Partial discharge monitoring

• AC withstand test station

5. Factory tests:

• 100% spark test (15kV)

• Sampling 4h high-voltage test

6. Packaging & Shipping

1. Packaging:

• Reinforced steel-wood drums

• 3.2m diameter × 2.4m width (customizable)

2. Protection:

• Moisture-proof end seals

• Steel band reinforcement

• Waterproof canvas cover

3. Shipping requirements:

• Max tilt angle ≤30°

• Avoid severe vibration

4. Storage conditions:

• Indoor dry environment

• Keep ≥1m from heat sources

• Recommended storage ≤18 months

7. Service Commitment

1. Warranty:

• 15-year quality guarantee

• Lifetime technical support

2. Sample policy:

• Free 15-meter samples

• Special types may incur material cost

3. Pre-sales service:

• Free installation design

• Cable selection calculation

4. After-sales support:

• 48-hour fault response

• On-site technical service

5. Value-added services:

• Third-party inspection witness

• Installation training