DNV addresses strength of HV cables in floating offshore wind substation study
DNV has started Phase 2 of its floating substation joint industry project (JIP) for the floating offshore wind sector.
The main goals are to improve guidelines as well as close technology and regulatory gaps.
Offshore substations serve as hubs, connecting multiple turbines and delivering the generated power to the local grid. According to DNV, the design and implementation of substations for floating offshore wind brings challenges, such as the requirement for high-voltage (HV) dynamic cables and electrical systems capable of withstanding the movements of floating structures.
Phase 2 will focus on components such as HV equipment, dynamic cables and the wider aspects of marine systems and operations, with the result used to update DNV-ST-0145, which is said to be the world's first standard applicable to floating substations.
JIP partners include ABB, Aibel, Atlantique Offshore Energy, CSEPDI, EDF Renouvelables, GE Vernova, Hitachi Energy, IV & Nevesbu, Navantia Seanergies, Orient Cable, Ramboll, Red Eléctrica, RTE, Seatrium, Statnett, TotalEnergies, COP, Iberdrola/ScottishPower, and Saipem.
“Updating DNV-ST-0145 to include floating substations will enhance the scalability of floating wind technology and reduce associated risks,” said Kim Sandgaard-Mørk, DNV's executive vice president for renewables certification.