Product Overview
Medium Voltage (MV) XLPE (Cross-Linked Polyethylene) Insulated Power Cables designed for efficient power transmission and distribution networks. Available in copper (Cu) or aluminum (Al) conductors, with PVC or PE sheathing, and optional steel tape/steel wire armouring for mechanical protection.
Manufacturing Standard
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Primary Standard: GB/T 12706.2 (Equivalent to IEC 60502-2).
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Alternate Standards: Manufactured to BS, DIN, ICEA, or other international standards upon customer request.
Application
Suitable for fixed installation in power transmission and distribution networks with Rated Voltage U<sub>0</sub>/U:
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3.6/6kV, 6/6kV, 6/10kV, 8.7/10kV, 8.7/15kV, 12/15kV, 12/20kV, 18/20kV, 18/30kV, 21/35kV, 26/35kV
Operating Characteristics
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Rated Voltage (U<sub>0</sub>/U): 3.6/6kV to 26/35kV
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Max. Continuous Conductor Temperature: +90°C
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Max. Short-Circuit Conductor Temperature: +250°C (max. duration 5 seconds)
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Min. Installation Ambient Temperature: 0°C
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Minimum Bending Radius:
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Single-Core Cables: ≥ 20 × Cable Diameter (D)
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Multi-Core Cables: ≥ 15 × Cable Diameter (D)
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Voltage Category (System Earthing)
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Category A (U<sub>0</sub>): Ground faults cleared within 1 minute
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Category B (U<sub>0</sub>): Ground faults ≤1 hour normally (max 8 hours, ≤125 hours annually)
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Category C (U<sub>0</sub>): All systems not covered by A/B
Rated Voltage & Conductor Sizing
Core Type | 3.6/6kV 6/6kV |
6/10kV 8.7/10kV |
8.7/15kV 12/15kV |
12/20kV 18/20kV |
18/30kV | 21/35kV 26/35kV |
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Single-Core | 25-1200 mm² | 25-1200 mm² | 35-1200 mm² | 50-1200 mm² | 50-1200 mm² | 50-1200 mm² |
Three-Core | 25-400 mm² | 25-400 mm² | 35-400 mm² | 50-400 mm² | 50-400 mm² | 50-400 mm² |
Cable Types & Specifications
Type | Conductor | Insulation | Armour Type | Sheath | Applications & Installation Notes |
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YJV | Copper | XLPE | None | PVC | Indoor/tunnels/trenches. No mechanical protection. ∅ Single-core in magnetic ducts |
YJLV | Aluminum | XLPE | None | PVC | |
YJY | Copper | XLPE | None | PE | |
YJLY | Aluminum | XLPE | None | PE | |
YJV22 | Copper | XLPE | Steel Tape | PVC | Direct burial compatible. Withstands mechanical stress. ∅ Single-core in magnetic ducts |
YJLV22 | Aluminum | XLPE | Steel Tape | PVC | |
YJV23 | Copper | XLPE | Steel Tape | PE | |
YJLV23 | Aluminum | XLPE | Steel Tape | PE | |
YJV32 | Copper | XLPE | Steel Wire | PVC | Ducts/direct burial. Withstands pulling forces & mechanical stress |
YJLV32 | Aluminum | XLPE | Steel Wire | PVC | |
YJV33 | Copper | XLPE | Steel Wire | PE | |
YJLV33 | Aluminum | XLPE | Steel Wire | PE |