With the new 525 kV submarine cable system, Prysmian Group will be able to support the forthcoming tenders for submarine interconnectors aimed at granting efficiency, flexibility, and reliability of power grids.
September 5, 2022
Prysmian Group has added yet another feather in its cap in the power transmission segment, particularly with regard to its commitment to support the energy transition. The global leader in the energy and telecom cable systems industry has successfully developed and tested the first 525 kV extruded submarine full cable system for High Voltage Direct Current (HVDC) applications.
The revolutionary innovation will enhance the maximum transmission capacity of bi-pole systems by up to more than 2.5 GW. This is more than twice the value achieved with 320 kV DC systems presently operational. The one-year prequalification testing was conducted as per international standards, including CIGRE TB-496 and witnessed by a third-party certification body.
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“Prysmian Group has always been at the forefront in the development of innovative and advanced technological solutions for power grids, namely land and submarine cable systems for HVDC applications,” stated Mr. Valerio Battista, CEO, Prysmian Group.
“This new milestone confirms our commitment and prominent role in the development of power grids infrastructure, key for the energy transition,” he concluded.
HVDC cable interconnections are crucial for sustainable energy systems so as to transmit vast amounts of electric energy across large distances, often between countries. Hence, the development of the new 525 kV cable system – marks a key achievement which will enable Prysmian Group to support the forthcoming tenders for submarine interconnectors aimed at granting efficiency, flexibility, and reliability of power grids.
“On the heels of the successful industrialisation of 525 kV HVDC underground cables for the 3 German HVDC links projects, we are ready to extend this innovative technology for submarine cable systems to enable our customers in the continuous effort towards the energy transition by further reducing the costs of offshore wind and minimising the environmental impact,” said Mr. Hakan Ozmen, EVP Projects Business Unit.
As regards this new range of submarine cable systems, Prysmian has made use of its extensive and in-depth knowledge of materials and the capability to improve manufacturing processes. Thus, the Italy-based company has succeeded in optimising a reliable industrial process with strict technological parameters and bringing an entire range of cable and accessories, including flexible factory joints, rigid repair joints, and sea-land joints – featuring superior dielectric properties.
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“We are proud to lead the industry towards the milestone of 2 GW submarine power transmission, being capable to offer the industry best suite of advanced HVDC and HVAC cable systems, including our proprietary P-Laser and MI-PPL technologies” added Mr. Srinivas Siripurapu, Chief Innovation and R&D Officer.
