Sea Technology

APR 2018

The industry's recognized authority for design, engineering and application of equipment and services in the global ocean community

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www.sea-technology.com April 2018 | ST 33 tor (OWA) competition, an R&D program funded by nine leading offshore wind developers and the Scottish government to reduce the cost of offshore wind energy. Krak- en Robotik was among four compa- nies selected in the competition. Kraken will receive hands-on mentoring and advice from the OWA industry partners, which col- lectively represent more than 75 percent of the European offshore wind market, as well as a poten- tial opportunity to demonstrate its SeaVision 3D underwater laser imaging system on installed foun- dations at a fully operational wind farm in Europe. The aim of the com- petition is to help advanced tech- nologies access the large emerging market and become part of the nor- mal subsea inspection strategy for offshore wind developers. AUV Docking Station for Offshore Wind Inspection Modus Seabed Intervention is developing an innovative approach to enable AUVs to remain at off- shore wind farm sites without a sup- port vessel. The move could shave £1.1 billion from the operating cost of Europe's offshore wind farms and would be a world first in the sector. Modus Seabed Intervention, in partnership with Osbit Ltd. and the Offshore Renewable Energy (ORE) Catapult, is trialing an AUV docking station to enable vehicle recharg- ing, upload of acquired data and download of mission commands. The use of AUVs to survey and inspect offshore wind farm subsea infrastructure is a relatively new cost-efficiency measure in this sec- tor. In addition to the estimated £1.1 billion savings across the current 11-GW offshore wind farm fleet over the next 25 years, the scheme will also significantly reduce the need for staff to work in often haz- ardous environments. The Autonomous Vehicle for the Inspection of offshore wind farm Subsea INfrastructure (AVISIoN) project has received funding from Innovate UK for further develop- ment, testing and demonstrations of Modus's existing hybrid AUV ca- pability and docking station. Testing will take place at ORE Catapult's National Renewable Energy Centre in Blyth, Northumberland. Deep Green Tech Nearing Utility Scale The gravity base structure foun- dation for Minesto's first commer- cial-scale installation of its Deep Green technology has been deliv- ered, marking significant progress toward the first installation in Holy- head Deep. Preparation for offshore testing is in it final stages. Minesto's DG500 project involves installing and demonstrating Deep Green, which produces electricity from ocean currents, at utility scale at the Holyhead Deep site off the coast of northwest Wales. Offshore installa- tion of the 500-kW device and the surrounding test setup infrastructure is to start in April, with system func- tionality and capacity tests to be conducted in the second quarter. The aim is to generate electricity in the third quarter this year. ST

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