Direct current cables
The world’s energy consumption grows day after day. To meet this rising demand, power companies have to source their electricity from further away than before. In addition, renewable sources such as solar and wind energy, are also often located in remote corners.
Borlink™ XLPE for HVDC cables Borlink™ crosslinked polyethylene (XLPE) insulation compounds and Borlink™ semiconductive materials were specifically developed by Borouge and Borealis for making DC transmission cables.
Borlink™ XLPE insulation was developed for system voltages up to 150kV, improving the performance and reliability of high voltage direct current (HVDC) cables. Borlink™ XLPE insulated cables can be deployed underground as well as in subsea environments, offering distinctive advantages:
- Faster installation
- Elimination of fluid leakage risk
- Higher operating temperature
- Low dielectric losses
- Better power flow control
- Improved transmission reliability
- Reduced risk of network failure
Borlink™ XLPE ensures electrical performance
The production environment in which Borlink™ XLPE insulation compounds are made is free of contaminations. After production, the compounds are packed for shipping in special octabins in clean room conditions. Ensuring this high level of cleanliness reduces the risk of cable degradation caused by contaminants, and ensures reliable and consistent long-term performance.
The cleanliness of Borlink™ XLPE compounds helps cable manufacturers with:
- Better scorch safety
- Longer intervals between cleaning - longer production runs
- Lower degassing burden
Borlink™ semiconductive screen improves HVDC cable
High voltage cables are subject to high electrical stresses. A smooth interface between the insulation and shielding layers minimises the risk of power interruptions. Borouge’s Borlink™ semiconductive materials create an even surface on both sides of the Borlink™ XLPE insulation material, optimising the reliability and lifetime of the cable by:
- Eliminating surface pips
- Reducing electrical stresses