News tagged with wind turbines

Omni3D's big idea: Wind turbines in backpacks

Mention wind energy and one thinks on a large-scale, a farm of structures, tracts of land, multi-year roadmaps, and a web of public and private agencies signing off on agreements and contracts over months ...

Aug 18, 2014 weblog
4.3 / 5 (7) 1

China cuts 2012 rare earths export quota

(AP) -- China announced a cut Tuesday in its rare earths export quota as it tries to shore up sagging prices for the exotic metals used in mobile phones and other high-tech goods.

Dec 28, 2011
4.8 / 5 (6) 3

Wind turbines that learn like humans

Depending on the weather, wind turbines can face whispering breezes or gale-force gusts. Such variable conditions make extracting the maximum power from the turbines a tricky control problem, but a collaboration of Chinese ...

Mar 27, 2012
4.8 / 5 (6) 16 | with audio podcast

Shifting winds in turbine arrays

Researchers modeling how changes in air flow patterns affect wind turbines' output power have found that the wind can supply energy from an unexpected direction: below.

Oct 22, 2013
5 / 5 (5) 0

An autopilot for steering flying windmills

The idea of using kites to collect the energy produced by high altitude winds has been gaining ground amidst the scientific community. EPFL researchers have developed an autopilot device to control and optimize ...

Nov 10, 2014
3.6 / 5 (7) 0

Smart anti-icing system for rotor blades

In very cold climate zones, the wind can blow with tremendous force. But wind turbines have rarely been built in these regions up to now. The risk of ice formation on the rotor blades is just too high. But ...

Dec 01, 2014
5 / 5 (5) 0

Lifting mechanism for mounting huge rotor blades

Siemens has created a special mechanism for mounting its 75-meter-long rotor blades for offshore wind farms. The lifting system makes assembly work safer and lets construction take place at higher wind speeds ...

Sep 25, 2014
4.8 / 5 (5) 0