The MADE AE-20 wind generator incorporates rotor, which has a diameter of 20m. It uses three fixed pitch rotor blades and the rotor has a velocity of 46rpm. This wind turbine is mounted on a conical trunk tower, which has a height of 21m.
Siemens Energy and Meridian Energy have signed an order for the supply of 28 SWT-2.3-101 wind turbines for the Te Uku wind power project near Hamilton, New Zealand. The wind farm is scheduled to come on line in 2011 and will have a capacity of 64 megawatts (MW), which is enough power to meet the needs of 30,000 households. It is estimated that the project will save approximately 145,000 tonnes of CO2 emissions annually.
The Airlift 1 H.O. water pumping windmill’s blades are made of 6061 T-6 tempered aluminum. To begin its operation, this water pumping windmill requires a wind speed of 5 to 8mph.
The AIR-X land wind module is designed with aero-elastic blade for protection against high winds. Its circuit checks the wind speed and slows down the blades electronically when it reaches the rated output and prevents fluttering noise.
This wind turbine has a start-up wind speed of 2.68 square meters per second, while the survival wind speed of the Air Breeze Marine is 49.2 meters per second. The overspeed protection feature included in this turbine is an electronic torque control option.
Duke Energy has received a grant of $22 million from the United States Department of Energy. The grant has been made possible by the American Recovery and Reinvestment Act of 2009, which has recommended the installation of large-scale batteries for storing wind energy in one of the company’s Texas wind farms.
Wartsila has won a contract to supply a 170MW gas-fired power plant, which will be installed at Antelope Station, Texas.
Mass Megawatts Wind Power’s licensee, Electric City Wind Power Corp, has signed a $5.8 million deal with John Gianacopoulos, in connection with the previously drawn letter of understanding concerning the delivery of wind power schedules for the following year.
Airlift water pumping windmills de-ice and aerate as a part of their pumping process. With air lift water pumping technology and an advanced windmill design, these water pumping systems provide effective solution to the water pumping requirements of the users.
Robert Whittlesey and John Dabiri of the California Institute of Technology have developed a potentially more efficient wind farm design that maximizes the efficiency of land usage. They based their approach on the way that fish school, which they will present later this month at the 62nd Annual Meeting of the American Physical Society's (APS) Division of Fluid Dynamics will take place from November 22-24 at the Minneapolis Convention Center.
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