MILAN -- After completing one-year qualification testing in accordance with international standards, Prysmian Group today introduces two 525 kV extruded land cable systems, one qualified with P-Laser and one with XLPE insulation. These cable systems are designed at a higher voltage level and with large conductor cross-sections to provide optimal technical solutions for long-distance high power transmission with minimized land use.
P-Laser is the first 100% recyclable eco-friendly high-performance cable technology, utilising a 'zero-gas' process which reduces CO2 emissions by up to 30%*. P-Laser is fully compatible with existing HVDC cables and accessories and has over 30,000 km manufacturing experience in other types of power cable networks. The P-Laser qualified cable system employs a Prysmian in-house developed material, called HPTE (High Performance Thermoplastic Elastomer) with proven enhanced characteristics, namely increased thermal performance, higher intrinsic reliability and greater productivity, making it the best solution for HVDC transmission lines at the highest voltage levels. The XLPE qualified cable system uses a new insulation compound specific for HVDC application. Both technologies have also successfully passed type tests at 600 kV and represent the next generation solutions for land cable systems that underpin Prysmian Group's ability to provide reliable systems for the challenges of power transmission.
"This new milestone is a significant step forward for power transmission systems and the development of innovative and sustainable cable solutions in the industry," said Hakan Ozmen, EVP, Projects Business Unit at Prysmian Group. "The 525 kV cable systems can be an effective solution for the planned German HVDC Corridor projects, providing the TSOs (TenneT, 50Hertz, TransnetBW and Amprion) with two proven technologies able to connect the wind generation-rich regions of northern Germany to the major consumption areas in the South, reducing the required land usage and ensuring a lower environmental impact."
Prysmian Group is playing a key role in the connection of German offshore wind farms to the mainland, having supplied and installed multiple turnkey HVDC & HVAC systems across the German waters, with a track record of 4,100 km of HVDC submarine and land cables and more than 1,000 installed cable accessories.
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