Dutch Hill Cohocton Wind Farm 2802139997

The 2.5 MW Liberty Wind Turbine was the largest

wind turbine A wind turbine is a device that wind power, converts the kinetic energy of wind into electrical energy. , hundreds of thousands of list of most powerful wind turbines, large turbines, in installations known as wind farms, were generating over ...

manufactured in the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

when it was first installed in 2007. It was developed through a partnership with

U.S. Department of Energy The United States Department of Energy (DOE) is an executive department of the U.S. federal government that oversees U.S. national energy policy and energy production, the research and development of nuclear power, the military's nuclear we ...

and its

National Renewable Energy Laboratory The National Renewable Energy Laboratory (NREL) in the US specializes in the research and development of renewable energy, energy efficiency, energy systems integration, and sustainable transportation. NREL is a federally funded research and ...

for

Clipper Windpower Clipper Windpower is a wind turbine manufacturing company founded in 2001 by James G.P. Dehlsen.Steel Winds Steel Winds (or Steel Winds I & Steel Winds II) is a wind energy project located on the coast of Lake Erie in Lackawanna, New York, just south of the City of Buffalo in Erie County. Its first phase was operational in 2007 and the second phase ...

, a wind energy project located on the coast of

Lake Erie Lake Erie ( ) is the fourth-largest lake by surface area of the five Great Lakes in North America and the eleventh-largest globally. It is the southernmost, shallowest, and smallest by volume of the Great Lakes and also has the shortest avera ...

in Lackawanna,

New York New York most commonly refers to: * New York (state), a state in the northeastern United States * New York City, the most populous city in the United States, located in the state of New York New York may also refer to: Places United Kingdom * ...

, south of the City of Buffalo in Erie County. Sales stopped in 2012 as the model was experiencing problems with power train components that had cost the company hundreds of millions of dollars in warranty repairs.

Technical characteristics

Liberty Wind Turbine uses an tower as a standard in its design. The rotor diameter varies amongst particular versions of turbines. The diameter for version C89 is 89 meters, 93 meters for version C93, 96 meters for version C96, and 99 meters for C99. Blade lengths are 43.2 m for C89, 45.2 m for C93, 46.7 m for C96 and 48.2 m for C100. Liberty Wind Turbines use 4 generators that have permanent magnets. Each generator delivers 660 kW at 1133 RPM at a voltage of 1350 Vdc.

References

External links

Cutaway diagram of Liberty wind turbine
{{Wind power Wind power in the United States Wind turbines