YJV22 Cable
YJV22 Power Cable: The Robust Solution for Your Electrical Infrastructure
When reliability and durability are non-negotiable for your power distribution projects, the YJV22 cable stands as a premier choice. Designed for fixed installations where mechanical protection is crucial, this cross-linked polyethylene (XLPE) insulated, steel tape armored cable delivers exceptional performance in a wide range of demanding environments. Its robust construction ensures safe and efficient power transmission for industrial plants, underground utilities, building mains, and other critical applications where cables are laid directly in the ground, in ducts, or in areas with risk of mechanical stress.
The core advantage of the YJV22 cable lies in its layered design. The XLPE insulation provides excellent thermal stability, high dielectric strength, and resistance to moisture and chemicals. The galvanized steel tape armor offers superior protection against crushing, rodent damage, and other external impacts, making it an ideal cable for direct burial without additional conduit. A durable PVC outer sheath provides further defense against environmental factors like sunlight, oils, and acids.
Key Features and Benefits
- High-Temperature Rating: XLPE insulation allows for a maximum conductor temperature of 90°C, enhancing current-carrying capacity and overload tolerance.
- Superior Mechanical Protection: The double steel tape armor effectively shields the core from mechanical damage during and after installation.
- Excellent Chemical and Environmental Resistance: The PVC sheath and XLPE insulation resist water, acids, alkalis, and corrosive elements.
- Long Service Life: Robust material composition ensures reliable operation over extended periods, even in harsh conditions.
- Compliance with International Standards: Manufactured to meet IEC, BS, and other relevant standards, ensuring global quality and safety.
- Fire Performance: Options available with flame-retardant (FR) or low smoke zero halogen (LSZH) sheaths to meet specific safety regulations.
Detailed Technical Specifications
Our YJV22 cables are available in a comprehensive range of configurations to suit various voltage ratings and power requirements.
Standard Construction
| Component | Material | Primary Function |
|---|---|---|
| Conductor | Plain annealed copper or aluminum, stranded | Carries electrical current |
| Inner Sheath (Bedding) | PVC or PE | Protects insulation and provides bedding for armor |
| Insulation | Cross-Linked Polyethylene (XLPE) | Provides electrical insulation and thermal stability |
| Armor | Double Galvanized Steel Tape (GSTA) | Provides mechanical protection against crushing and impact |
| Outer Sheath | Polyvinyl Chloride (PVC) | Protects against corrosion, moisture, and environmental factors |
Common Voltage Ratings & Core Configurations
| Rated Voltage (Uo/U) | Core Configuration | Nominal Cross-Sectional Area Range | Max. Conductor Temp. |
|---|---|---|---|
| 0.6/1 kV | 1, 2, 3, 3+1, 4, 5 Core | 1.5 mm² to 1000 mm² | 90°C |
| 8.7/15 kV | 1, 3 Core | 25 mm² to 500 mm² | |
| 12/20 kV, 18/30 kV | 1, 3 Core | 35 mm² to 400 mm² |
Typical Applications
The YJV22 cable is engineered for fixed installations in environments requiring enhanced protection. Its primary applications include:
- Power supply networks and main feeders in industrial complexes.
- Direct burial in ground for outdoor power distribution.
- Cable duct systems and tunnels.
- Power distribution in environments with high risk of mechanical damage.
- Infrastructure projects such as railways, airports, and power stations.
- Mining operations and other heavy industries.
Installation Considerations
For optimal performance and safety, proper installation practices must be followed. The minimum bending radius for YJV22 cables is typically 12 times the overall cable diameter for multi-core cables and 15 times for single-core cables during installation. While the steel armor provides grounding capability, it is essential to follow local electrical codes regarding proper earthing and bonding. Direct burial depth should comply with national regulations, usually exceeding 0.7 meters, and the cable should be laid on a bed of sand and covered with protective tiles or warning tape.
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