Product Overview
12/20kV Wind Energy Cable is engineered for medium voltage power transmission within wind turbine systems, specifically designed to carry electrical energy from the transformer in the nacelle to the base of the tower. This robust cable delivers reliable performance in the demanding environmental conditions encountered in wind energy applications.
Key Features & Benefits
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Medium Voltage Capacity: Rated at 12/20kV for efficient power transmission in wind turbine systems
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Superior Torsion Resistance: Withstands 2000 twist cycles at ±100°/m in free-hanging applications, even at -40°C
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Extended Temperature Range: Operates reliably from -40°C to +90°C in harsh environmental conditions
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Enhanced Electrical Protection: Optional tinned copper wire braid screen provides superior EMI protection
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Flexible Construction: Class 5 tinned annealed copper conductors ensure optimal flexibility
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Cold and Heat Resistant: Special EPR insulation maintains performance across extreme temperature ranges
Applications
Critical medium voltage applications in wind energy systems:
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Nacelle to Tower Base Transmission: Carrying medium voltage energy from the transformer in the nacelle to the bottom of the tower
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Wind Turbine Power Distribution: Main power transmission within wind turbine structures
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Medium Voltage Systems: Applications requiring 12/20kV rated cabling
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Wind Farm Installations: Both onshore and offshore wind energy projects
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Dynamic Cable Applications: Systems requiring torsion resistance in free-hanging installations
Construction
Advanced Construction for Wind Energy Applications:
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Conductor: Flexible tinned annealed copper, Class 5 (IEC 60228)
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Cross Section: 25-70mm²
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Insulation: Cold and heat-resistant EPR
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Screen: Tinned copper wire braid (optional)
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Inner Sheath: HF EVA (optional)
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Sheath: HF XL EVA
Technical Data
Performance Specifications:
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Rated Voltage: Uo/U 12/20kV
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Maximum Permissible Operating Voltage: 13.9/24kV
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Temperature Range: -40°C to +90°C
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Torsional Stress for Free Hanging: 2000 Twist Cycles ±100°/m @ -40°C
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Minimum Bending Radius: 9 × Cable Diameter
Product Specifications
Detailed Product List:
| Core Number × Cross Section | Outer Diameter | Cable Weight |
|---|---|---|
| mm² | mm | kg/km |
| 3×25 | 59.7 | 4780 |
| 3×35 | 62.8 | 5700 |
| 3×50 | 66.8 | 6630 |
| 3×70 | 71.1 | 7840 |
Key Advantages
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Proven Medium Voltage Performance: Specifically designed for 12/20kV applications in wind turbine systems
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Exceptional Environmental Durability: Maintains performance across extreme temperature conditions from -40°C to +90°C
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Superior Torsion Capability: Withstands significant twisting stress even at extremely low temperatures
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Reliable Power Transmission: Ensures efficient energy transfer from nacelle to tower base
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Enhanced Safety Features: Optional screening and specialized sheathing materials provide additional protection
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Optimized Design: Balanced construction provides both electrical reliability and mechanical durability for wind energy applications