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  2. Electric power conversion - Wikipedia

    en.wikipedia.org/wiki/Electric_power_conversion

    Aircraft often use 400 Hz power internally, so 50 Hz or 60 Hz to 400 Hz frequency conversion is needed for use in the ground power unit used to power the airplane while it is on the ground. Conversely, internal 400 Hz internal power may be converted to 50 Hz or 60 Hz for convenience power outlets available to passengers during flight.

  3. Thermionic converter - Wikipedia

    en.wikipedia.org/wiki/Thermionic_converter

    A thermionic converter consists of a hot electrode which thermionically emits electrons over a potential energy barrier to a cooler electrode, producing a useful electric power output. Caesium vapor is used to optimize the electrode work functions and provide an ion supply (by surface ionization or electron impact ionization in a plasma) to ...

  4. Energy conversion efficiency - Wikipedia

    en.wikipedia.org/wiki/Energy_conversion_efficiency

    An ideal electrolysis unit operating at a temperature of 25 °C having liquid water as the input and gaseous hydrogen and gaseous oxygen as products would require a theoretical minimum input of electrical energy of 237.129 kJ (0.06587 kWh) per gram mol (18.0154 gram) of water consumed and would require 48.701 kJ (0.01353 kWh) per gram mol of ...

  5. List of Yamaha Corporation products - Wikipedia

    en.wikipedia.org/wiki/List_of_Yamaha_Corporation...

    Yamaha recommend that this device be used with the Yamaha VL70m Virtual Acoustic Tone Generator. The WX7 was the first model that Yamaha produced, beginning in 1987. [43] This was followed by the WX11 in 1993, [44] and then the WX5 in 1999—2001. [45] The WX5 was discontinued in October 2017. [46]

  6. Electricity generation - Wikipedia

    en.wikipedia.org/wiki/Electricity_generation

    Electricity generation is the process of generating electric power from sources of primary energy.For utilities in the electric power industry, it is the stage prior to its delivery (transmission, distribution, etc.) to end users or its storage, using for example, the pumped-storage method.

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  8. Thermoelectric generator - Wikipedia

    en.wikipedia.org/wiki/Thermoelectric_generator

    Harvesting that heat energy using a thermoelectric generator can increase the fuel efficiency of the car. Thermoelectric generators have been investigated to replace the alternators in cars demonstrating a 3.45% reduction in fuel consumption. [33] Projections for future improvements are up to a 10% increase in mileage for hybrid vehicles. [34]

  9. Los Angeles fires: NFL moves Vikings-Rams wild-card game to ...

    www.aol.com/sports/los-angeles-fires-nfl-moves...

    The NFC wild-card game between the Los Angeles Rams and Minnesota Vikings is being moved to Arizona, the NFL announced Thursday. The game remains scheduled for Monday at 5 p.m. PT, but will now be ...

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