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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. Variable speed wind turbine - Wikipedia

    en.wikipedia.org/wiki/Variable_speed_wind_turbine

    For variable speed wind turbines, one of two types of generators can be used: a DFIG (doubly fed induction generator) or an FRC (fully rated converter). A DFIG generator draws reactive power from the transmission system; this can increase the vulnerability of a transmission system in the event of a failure.

  4. 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

  5. Amazon Wind Farm Texas - Wikipedia

    en.wikipedia.org/wiki/Amazon_Wind_Farm_Texas

    Amazon Wind Farm Texas is a 253 megawatt wind farm in Scurry County, Texas. [1] The farm opened in late 2017, [ 2 ] [ 3 ] [ 4 ] and consists of 110 turbines , which together generate approximately 1,000 gigawatt-hours of electricity annually, enough to power approximately 90,000 US homes.

  6. Desert Wind Farm - Wikipedia

    en.wikipedia.org/wiki/Desert_Wind_Farm

    The Desert Wind Farm, also known as Amazon Wind Farm US East, spans Perquimans and Pasquotank County on the Atlantic coastal plain in northeast North Carolina. With a total generating capacity of 208 megawatts (MW), it became the first large wind farm in the southeast United States when it came online at the end of 2016.

  7. Women Form Unique Friendship After They Both Lose an ... - AOL

    www.aol.com/women-form-unique-friendship-both...

    Jo Denman and Tessa Parry-Wingfield formed a close friendship after they were both diagnosed with a rare form of cancer which resulted in them each having an eye removed

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