Medium Voltage XLPE Insulated Power Cables (3.6/6kV to 26/35kV) – YJV, YJLV, YJV22, YJV32 Series

Medium Voltage XLPE Insulated Power Cables (3.6/6kV to 26/35kV) – YJV, YJLV, YJV22, YJV32 SeriesMedium Voltage XLPE Insulated Power Cables (3.6/6kV to 26/35kV) – YJV, YJLV, YJV22, YJV32 Series

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

  • Primary Standard: GB/T 12706.2 (Equivalent to IEC 60502-2).

  • 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:

  • 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

  • Rated Voltage (U<sub>0</sub>/U): 3.6/6kV to 26/35kV

  • Max. Continuous Conductor Temperature: +90°C

  • Max. Short-Circuit Conductor Temperature: +250°C (max. duration 5 seconds)

  • Min. Installation Ambient Temperature: 0°C

  • Minimum Bending Radius:

    • Single-Core Cables: ≥ 20 × Cable Diameter (D)

    • Multi-Core Cables: ≥ 15 × Cable Diameter (D)

Voltage Category (System Earthing)

  • Category A (U<sub>0</sub>): Ground faults cleared within 1 minute

  • Category B (U<sub>0</sub>): Ground faults ≤1 hour normally (max 8 hours, ≤125 hours annually)

  • 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
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
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