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  2. Emergency power system - Wikipedia

    en.wikipedia.org/wiki/Emergency_power_system

    A backup generator for a large apartment building A backup power fuel cell for telecom applications A portable emergency power generator in a shipping container. An emergency power system is an independent source of electrical power that supports important electrical systems on loss of normal power supply.

  3. Marx generator - Wikipedia

    en.wikipedia.org/wiki/Marx_generator

    A small demonstration Marx generator (tower on the right). It is a ten stage generator. The main discharge is on the left. The nine smaller sparks that can be seen in the image are the spark gaps that connect the charged capacitors in series. A Marx generator is an electrical circuit first described by Erwin Otto Marx in 1924. [1]

  4. Cheyenne Mountain Complex - Wikipedia

    en.wikipedia.org/wiki/Cheyenne_Mountain_Complex

    The Cheyenne Mountain Complex is a United States Space Force installation and defensive bunker located in unincorporated El Paso County, Colorado, next to the city of Colorado Springs, [2] at the Cheyenne Mountain Space Force Station, [a] which hosts the activities of several tenant units.

  5. Solar updraft tower - Wikipedia

    en.wikipedia.org/wiki/Solar_updraft_tower

    Schematic presentation of a solar updraft tower. The solar updraft tower (SUT) is a design concept for a renewable-energy power plant for generating electricity from low temperature solar heat. Sunshine heats the air beneath a very wide greenhouse-like roofed collector structure surrounding the central base of a very tall chimney tower.

  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. Fortnite: Save the World - Wikipedia

    en.wikipedia.org/wiki/Fortnite:_Save_the_World

    The "tower defense" aspect of the game revolves around the player character defending the storm shield against zombie like creatures.Fortnite: Save the World is described as a unique blend of sandbox survival co-op lite RPG tower defense game, and is an amalgamation of player progression, exploration, scavenging items, sharing scarce resources, crafting weapons, building fortified structures ...

  8. Vertical-axis wind turbine - Wikipedia

    en.wikipedia.org/wiki/Vertical-axis_wind_turbine

    The world's tallest vertical-axis wind turbine, in Cap-Chat, Quebec Vortexis schematic Vertical axis wind turbine offshore. A vertical-axis wind turbine (VAWT) is a type of wind turbine where the main rotor shaft is set transverse to the wind while the main components are located at the base of the turbine. This arrangement allows the generator ...

  9. Energy tower (downdraft) - Wikipedia

    en.wikipedia.org/wiki/Energy_tower_(downdraft)

    An energy tower (also known as a downdraft energy tower, because the air flows down the tower) is a tall (1,000 meters) and wide (400 meters) hollow cylinder with a water spray system at the top. Pumps lift the water to the top of the tower and then spray the water inside the tower. Evaporation of water cools the hot, dry air hovering at the top.