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The winners of the tender for the Borssele V offshore wind innovation site in the Netherlands are to use it to test a new way to connect monopiles and transition pieces and to promote marine life in offshore windfarms.

The Two Towers consortium, consisting of Van Oord, Investri Offshore and Green Giraffe, has won the tender for Borssele V windfarm. MHI Vestas Offshore Wind is the preferred supplier for the wind turbines.

http://www.owjonline.com/news/view,dutch-site-to-be-used-to-test-innovation-and-promote-species-diversity_51346.htm

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New hydraulic bolt tensioners for offshore wind

Posted by Charles Decuir on March 22, 2018 9:25 AM EDT
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Enerpac has introduced a new portfolio of hydraulic bolt tensioners for offshore wind power fastening applications.

The PGT-Series Double Deck and Single-Stage Bolt Tensioners provide high performance in tight spaces typically found in wind turbines. Key features include auto-retract pistons, over-stroke protection and auto-engage nut rundown. The FTR-Series Foundation Bolt Tensioners are designed specifically for tensioning wind tower foundations bolts.The FTE-Series Elliptical Foundation Bolt Tensioners provide a fastening solution on wind tower foundation applications where limited space between the stud and wall prevent the use of standard tools. They feature an elliptical geometry, which enables fit in narrow access foundation applications without reducing load capabilities.

https://www.windtech-international.com/product-news/new-hydraulic-bolt-tensioners-for-offshore-wind

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Esbjerg, Denmark-based Semco Maritime and Moffatt & Nichol in the US are to offer common engineering services to the offshore wind industry in the US.

Together, the companies will offer engineering services to the market combining Semco Maritime’s 15 years of offshore wind experience in Europe with Moffatt & Nichol’s engineering expertise in the energy and infrastructure sectors.

http://www.owjonline.com/news/view,danes-join-forces-with-moffatt-nichol-for-us-offshore-wind_50991.htm

 

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Since 2012, offshore turbines with total power outputs in excess of one GigaWatt (GW) have been coming on stream in European waters every year. According to WindEUROPE, Offshore wind in Europe saw a net 1,558 MW of additional grid-connected capacity installed in 2016.

Despite the challenges of constructing offshore turbines, the capacity there is expected to grow as suitable land-based sites become scarcer and operators take advantage of the greater consistency of wind at sea. The output power of offshore turbines also tends to be greater than their land-based counterparts. According to WindEUROPE the average power output of offshore turbines installed in 2016 was 4.8 MW. Turbines of 9 MW or more capacity are now in the launching stage – Vestas’ V164-9.5 MW development is a prime example

https://www.windpowerengineering.com/bearings/large-offshore-wind-turbines-challenging-bearing-designs/

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We must seize the opportunity offered by floating wind

Posted by Web Master 6 on February 20, 2018 10:15 AM EST
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You might think that the opportunity to support innovative technology which can generate massive amounts of clean power, create thousands of jobs and offer the potential of exports worth billions would be seized by any government looking for new markets around the world.

But when it comes to one of the best examples of such a technology, floating offshore wind, there is a sense of paralysis in Westminster which could jeopardise some great projects. 

https://www.businessgreen.com/bg/opinion/3026899/we-must-seize-the-opportunity-offered-by-floating-wind

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Turbine tip extension offers energy output boost

Posted by Web Master 6 on February 12, 2018 10:05 AM EST
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Natural Power recently provided planning support and conducted structural assessments as part of a retro-fit blade tip extension pilot project for Siemens Gamesa’s fleet of 2.3MW onshore wind turbines at Fred.Olsen Renewables’ Crystal Rig II site in the Scottish Borders. It is expected that the tip extensions of 2.55m will achieve an annual energy production boost of up to 10%.

Shane Bermingham, Engineering Design Lead at Natural Power, said: “As we move to a subsidy free market, any increases asset owners can see in production is a very attractive proposition. It is great to see the evolution of wind turbine technology and the optimisation of their performance, and we are delighted to have been involved with the blade tip extension project with Fred.Olsen Renewables and Siemens Gamesa at Crystal Rig.”

https://www.realwire.com/releases/Turbine-tip-extension-offers-energy-output-boost

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Proposal for turbines in 30 m/s winds

Posted by Charles Decuir on November 10, 2017 9:40 AM EST
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The power produced by any given wind turbine varies with the third power of the wind speed. Therefore, an 8-MW turbine designed for the North Sea would theoretically produce over 140 MW if taken into the Roaring Forties. It would obviously have to be strengthened considerably (Wilson proposed a new type of wind turbine that should be more reliable in high winds) but if we lower the power output to 50 MW per turbine there would still be vastly more available energy to power all the earth’s needs almost forever.

http://www.windpowerengineering.com/blades/planning-power-30-ms-winds/

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Germany Builds World's Tallest Wind Turbine

Posted by Web Master 6 on November 6, 2017 12:35 PM EST
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Germany, more than almost any other country, has been embracing wind power as the future of energy. The country is third in the world—behind only China and the United States—in total wind power and new wind power added each year, and recently broke a world record for the tallest wind turbine ever built.

The record-breaking turbine, part of a new installation in the town of Gaildorf, reaches an impressive 809 feet from the base to the tip of the blade. The other three turbines that are also part of this installation reach impressive heights as well, with the smallest standing over 500 feet tall.

http://www.popularmechanics.com/science/energy/news/a28903/germany-builds-worlds-largest-wind-turbine/

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