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Sandia innovation eliminates reliance on rare-earth magnets for large-scale wind turbines

Green Car Congress

Motivated by the need to eliminate expensive rare-earth magnets in utility-scale direct-drive wind turbines, Sandia National Laboratories researchers have developed a fundamentally new type of rotary electrical contact. I started thinking that maybe not every conceivable rotary electrical contact architecture has been thought of yet.

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Bloomberg NEF forecasts falling battery prices enabling surge in wind and solar to 50% of global generation by 2050

Green Car Congress

This year’s outlook is the first to highlight the significant impact that falling battery costs will have on the electricity mix over the coming decades. BNEF predicts that lithium-ion battery prices, already down by nearly 80% per megawatt-hour since 2010, will continue to tumble as electric vehicle manufacturing builds up through the 2020s.

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Siemens launches 6MW direct-drive wind turbine

Green Car Congress

Siemens Energy launched its new 6-megawatt (MW) direct-drive wind turbine at the European Offshore Wind Energy Conference in Amsterdam, The Netherlands. wind turbine. The new turbine features the Siemens direct drive design with 50% fewer parts than comparable geared wind turbines. The new SWT-6.0 Click to enlarge.

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The number of US electric vehicles grows from 16K to 2 million in 10 years

Electrek

In 2020, the US produced almost four times as much clean electricity from solar and wind as in 2011, according to a new report from Environment America Research & Policy Center and Frontier Group. more… The post The number of US electric vehicles grows from 16K to 2 million in 10 years appeared first on Electrek.

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Vattenfall contracts with BMW for up to 1,000 new 33 kWh Li-ion batteries this year for storage projects in wind farms

Green Car Congress

The first energy storage from the BMW-i3 batteries is being built at the 122 MW onshore wind farm “Princess Alexia” near Amsterdam. Other possible applications would be electricity storage in private households. —Gunnar Groebler, Senior Vice President of Vattenfall and Head of Business Area Wind. With a capacity of 3.2

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A123 Systems to supply Li-ion energy storage system to Dongfang Electric Corporation for evaluation for wind power solutions

Green Car Congress

Li-ion battery manufacturer A123 Systems will supply a 500kW Li-ion energy storage solution to Dongfang Electric Corporation (DEC), the third largest manufacturer of wind turbines in the People’s Republic of China and the country’s largest exporter of power equipment. He, general manager of Dongfang Electrical Machinery Co.

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GE using Large Eddy Simulation on Sandia’s Red Mesa to lay groundwork for quieter wind turbine blades with better power yield

Green Car Congress

Transition of flow to turbulence on a wind-turbine airfoil; isosurfaces of vorticity from a Large Eddy Simulation (LES). In a 2011 survey of techniques to reduce wind turbine blade noise, Sandia researcher Matthew Barone noted that: There are two primary classes of noise sources on a wind turbine. Click to enlarge.

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