Development of tidal stream generators: Difference between revisions

Revision as of 11:23, 20 January 2024

Revision as of 15:19, 20 January 2024

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In October 2022, the company split out it's anchoring solutions as '''Swift Anchors''', with the aim to focus on different technologies including [[Floating wind turbine|Floating offshore wind]].<ref>{{Cite web |date=2022-10-19 |title=Sustainable Marine sells Swift Anchors to SCHOTTEL |url=https://www.offshore-mag.com/business-briefs/company-news/article/14284424/sustainable-marine-sells-swift-anchors-to-schottel |access-date=2023-12-22 |website=Offshore}}</ref>

=== Tocardo ===

'''Tocardo BV''' is a Dutch tidal stream turbine developer, jointly owned by QED Naval and Hydrowing as of January 2020.<ref>{{Cite web |last= |first= |date=2020-01-06 |title=QED Naval and HydroWing JV Acquire Tocardo |url=https://www.offshore-energy.biz/qed-naval-and-hydrowing-jv-acquire-tocardo/ |access-date=2024-01-20 |website=Offshore Energy |language=en-US}}</ref> The company began developing their technology in 1999. The Tocardo turbines are two-bladed horizontal-axis with direct-drive generators.

A prototype T1 turbine was tested in the sluice of the [[Afsluitdijk]] (Closure Dyke) in the Netherlands in 2008. This was 2.8&nbsp;m in diameter and rated at 45&nbsp;kW.<ref>{{Cite report |url=https://www.ocean-energy-systems.org/publications/oes-annual-reports/document/oes-annual-report-2008/ |title=2008 Annual Report |date=February 2009 |publisher=International Energy Agency Implementing Agreement on Ocean Energy Systems (IEA-OES) |page=98}}</ref> In early 2015, a further three Tocardo T1 turbines were installed, each rated at 100&nbsp;kW.<ref>{{Cite web |date=2019-05-15 |title=Tidal power plants are put to the test in the Netherlands {{!}} Engineer Live |url=https://www.engineerlive.com/node/18486 |access-date=2024-01-20 |website=www.engineerlive.com}}</ref>

In 2015, five Tocardo T2 turbines were installed on the [[Oosterscheldekering]] (Eastern Scheldt storm surge barrier) also in the Netherlands. These started generating electricity to the Dutch grid in 2016.<ref>{{Cite report |url=https://www.ocean-energy-systems.org/publications/oes-annual-reports/document/oes-annual-report-2016/ |title=2016 Annual Report |date=2016-04-24 |publisher=The Executive Committee of Ocean Energy Systems |page=114}}</ref> They were mounted on a frame supported by the road bridge which could rotate to lift all of the turbines out the water simultaneously. Each turbine was 5.26&nbsp;m in diameter (87&nbsp;m² swept area) and rated at 250&nbsp;kW for a total power of 1.25&nbsp;MW.<ref>{{Cite journal |last=de Fockert |first=Anton |last2=Bijlsma |first2=Arnout C. |last3=O'Mahoney |first3=Tom S. D. |last4=Verbruggen |first4=Wilbert |last5=Scheijgrond |first5=Peter C. |last6=Wang |first6=Zheng B. |date=2023-09-01 |title=Assessment of the impact of tidal power extraction from the Eastern Scheldt storm surge barrier through the evaluation of a pilot plant |url=https://www.sciencedirect.com/science/article/pii/S0960148123007711 |journal=Renewable Energy |volume=213 |pages=109–120 |doi=10.1016/j.renene.2023.06.001 |issn=0960-1481}}</ref> The project was decommissioned after eight years of operation in 2023.<ref>{{Cite web |last=Garanovic |first=Amir |date=2023-10-06 |title=Tocardo concludes 8-year demonstration of Eastern Scheldt tidal energy array |url=https://www.offshore-energy.biz/tocardo-concludes-8-year-demonstration-of-eastern-scheldt-tidal-energy-array/ |access-date=2024-01-20 |website=Offshore Energy |language=en-US}}</ref>

Three Tocardo T1 turbines were integrated onto the 240&nbsp;kW QED Naval ''Subhub'' community demonstrator platform in late 2021, with a plan to test the turbine in [[The Solent]] near [[Yarmouth, Isle of Wight]], UK.<ref>{{Cite web |last=Garanovic |first=Amir |date=2021-12-06 |title=Tocardo’s tidal energy turbines check in to Subhub plaform |url=https://www.offshore-energy.biz/tocardos-tidal-energy-turbines-check-in-to-subhub-plaform/ |access-date=2024-01-20 |website=Offshore Energy |language=en-US}}</ref>

The next generation of Tocardo T3 turbines are planned to be used on the tidal projects by Hydrowing and Môr Energy at [[Morlais]], Wales.<ref>{{Cite web |last=Jay |date=2022-02-07 |title=HydroWing To demonstrate Next generation Tocardo Turbines at Morlais Tidal Demo-Zone |url=https://www.marineenergywales.co.uk/industry-news/hydrowing-to-demonstrate-next-generation-tocardo-turbines-at-morlais-tidal-demo-zone/ |access-date=2023-11-26 |website=Marine Energy Wales |language=en-US}}</ref>

=== Verdant Power ===