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  2. Doubly fed electric machine - Wikipedia

    en.wikipedia.org/wiki/Doubly_fed_electric_machine

    This is useful for large variable speed wind turbines, because wind speed can change suddenly. When a gust of wind hits a wind turbine, the blades try to speed up, but a synchronous generator is locked to the speed of the power grid and cannot speed up. So large forces are developed in the hub, gearbox, and generator as the power grid pushes back.

  3. Small wind turbine - Wikipedia

    en.wikipedia.org/wiki/Small_wind_turbine

    Turbine blades for small-scale wind turbines are typically 1.5 to 3.5 metres (4 ft 11 in – 11 ft 6 in) in diameter and produce 0.5-10 kW at their optimal wind speed. [1] Most small wind turbines are horizontal-axis wind turbines , [ 2 ] but vertical axis wind turbines (VAWTs) may have benefits in maintenance and placement, although they are ...

  4. Electric generator - Wikipedia

    en.wikipedia.org/wiki/Electric_generator

    Most power stations contain one or more generators, or spinning machines converting mechanical power into three-phase electrical power. The relative motion between a magnetic field and a conductor creates an electric current. The energy source harnessed to turn the generator varies widely.

  5. Permanent magnet synchronous generator - Wikipedia

    en.wikipedia.org/wiki/Permanent_magnet...

    Some designs of wind turbines also use this generator type. In the majority of designs, the rotating assembly in the center of the generator—the rotor—contains the magnet, and the stator is the stationary armature that is electrically connected to a load. As shown in the diagram, the perpendicular component of the stator field affects the ...

  6. Wind turbine design - Wikipedia

    en.wikipedia.org/wiki/Wind_turbine_design

    An example of a wind turbine, this 3 bladed turbine is the classic design of modern wind turbines Wind turbine components : 1-Foundation, 2-Connection to the electric grid, 3-Tower, 4-Access ladder, 5-Wind orientation control (Yaw control), 6-Nacelle, 7-Generator, 8-Anemometer, 9-Electric or Mechanical Brake, 10-Gearbox, 11-Rotor blade, 12-Blade pitch control, 13-Rotor hub

  7. Biglow Canyon Wind Farm - Wikipedia

    en.wikipedia.org/wiki/Biglow_Canyon_Wind_Farm

    The last of the 76 turbines in the first-phase of the wind farm development became operational in December 2007. [6] The turbines for phases 2 and 3 were purchased from Siemens Energy. There will be 141 SWT-2.3-93 turbines, with a capacity of 2.3 MW each. [7] Phase 2 of the project was completed in August 2009, adding 65 turbines to the wind ...

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