XWA 110kV Cable | High Voltage Cable
Reliable Power for Regional Grid Networks
XWA 110kV cable is designed for high-voltage sub-transmission systems, bridging the gap between primary transmission and distribution networks. Rated at 64/110 kV (Um 123 kV), this cable is widely used for regional power delivery, ensuring stable and efficient energy transfer across cities, industrial zones, and utility networks. With a balanced design between capacity and flexibility, 110kV cables offer an ideal solution for projects requiring high performance without the complexity of extra high voltage systems.
110kV Cable Specifications & Construction
- Conductor: High-purity aluminium and copper conductors. Cross-sectional areas range from 400 mm² up to 2500 mm² to meet diverse load requirements.
- Insulation: Extruded XLPE (Cross-linked Polyethylene) insulation.
- Customizable Metallic Sheath (Optional): Configurable as extruded lead, copper wire screen, or welded aluminium, depending on short-circuit and environmental conditions.
- Outer Sheath: Extruded PE (Polyethylene) for protection against mechanical damage and environmental exposure.
- Rated Voltages: Uo/U 64/110 kV (Um 123 kV).
- Operating Capacitance: Ranging from 0.17 µF/km to 0.36 µF/km depending on conductor size.
- Charging Current: Ranging from 3.4 A/km to 7.2 A/km.
XWA 110kV Cable Datasheet
| Conductor Type | Cross-Section (mm²) | Outer Diameter (mm) | Net Weight with Pb Sheath (kg/m) |
|---|---|---|---|
| Aluminium | 400 | 66 | 10.5 |
| Copper | 400 | 73 | 13.6 |
| Aluminium | 800 | 74 | 11.9 |
| Copper | 800 | 83 | 18.5 |
| Aluminium | 1200 | 81 | 13.5 |
| Copper | 1200 | 92 | 23.0 |
| Aluminium | 2500 | 111 | 21.7 |
| Copper | 2500 | 112 | 42.5 |
Why Choose XWA for 110kV Cable Projects?
110kV systems require a balance between performance, installation flexibility, and cost efficiency. XWA Power & Cable focuses on delivering reliable solutions tailored to regional grid applications.
- Optimized for Sub-Transmission Networks
Designed to efficiently distribute power from primary substations to local networks with stable electrical performance. - Flexible Installation Capability
Suitable for underground, duct, and tunnel installations with manageable bending radius, making it easier to deploy compared to higher voltage cables. - Reliable Thermal Performance
XLPE insulation supports continuous operation at 90°C and withstands short-circuit conditions up to 250°C. - Strict Quality Control System
Full-process quality inspection from raw materials to finished cable testing ensures consistent performance and compliance. - 15+ Years Manufacturing Experience
Proven expertise in high voltage cable production with stable supply for global utility and industrial projects. - Factory-Direct Pricing
Direct manufacturing model ensures competitive pricing of 110kV underground cable for infrastructure and industrial projects.
Typical Applications of 110kV Underground Cable
110kV high voltage underground cables are widely used in regional and urban power networks, where flexibility and reliability are essential.
- Sub-Transmission Networks
Delivering power from main substations to local distribution systems with efficient load handling. - Urban Underground Power Supply
Ideal for city installations where space is limited and overhead lines are restricted, using ducts or direct burial systems. - Industrial Power Distribution
Supplying stable power to large industrial facilities such as manufacturing plants, refineries, and data centers. - Renewable Energy Integration
Connecting medium-to-large scale solar and wind farms to regional substations. - Grid Expansion Projects
Supporting network upgrades and extensions with cost-effective high voltage solutions.
Installation & Support
- Minimum Bending Radius: Approx. 1.8m – 2.8m depending on cable size.
- Installation Temperature: Minimum -10°C for PE sheath cables.
- Laying Methods: Suitable for direct burial, ducts, and tunnels.
- System Support: Compatible with joints, terminations, and bonding systems.
Our team of technical experts is available to answer your questions, provide custom solutions, and support your project from planning to installation.
FAQs of XWA 110kV Cable
What is 110kV cable mainly used for?
110kV cables are widely used in sub-transmission networks, transferring power from primary substations to regional distribution systems, industrial zones, and urban grids. They provide a reliable balance between capacity and installation flexibility.
How does 110kV compare to 132kV cables?
Both 110kV and 132kV cables are used in sub-transmission networks and serve similar functions. The main difference lies in regional standards—110kV is widely used in Europe and Asia, while 132kV is more common in the UK and Middle East. Technically, 132kV underground cables have slightly higher voltage ratings and insulation levels, allowing for marginally higher transmission capacity, but the overall application scenarios are largely similar.
Is 110kV suitable for underground installation?
Yes. 110kV is one of the most commonly used voltage levels for underground transmission in cities, as it allows efficient power delivery while maintaining manageable cable size, bending radius, and installation complexity.
Why are fiber optic cables (OPGW/OPPC) often used with 110kV systems?
Fiber optic cables such as OPGW (Optical Ground Wire) or OPPC (Optical Phase Conductor) are integrated with 110kV systems for communication, protection, and real-time monitoring. They enable functions like relay protection, fault location, and data transmission, improving grid reliability and operational control.
What accessories are required for a complete 110kV cable system?
A complete system typically includes cable joints, terminations (indoor/outdoor), bonding systems, and surge protection devices. These components ensure safe operation, proper insulation coordination, and long-term system stability.
What is the service life of a 110kV cable?
Under proper design, installation, and operating conditions, XLPE 110kV cables typically achieve a service life of 30–40 years or more, with minimal performance degradation.
Can XWA provide higher voltage cables as well?
Yes. XWA Power & Cable manufactures a full range of high and extra high voltage cables, with production capability up to 500kV, suitable for large-scale transmission and national grid projects.
What is the typical lead time for 110kV cables?
Lead time is typically 4–8 weeks after technical confirmation, depending on cable specifications, quantity, and customization requirements.
Can the cable be customized for specific projects?
Absolutely. Conductor size, insulation thickness, metallic sheath type, and overall structure can all be tailored to meet specific electrical, environmental, and installation conditions.