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  2. British Rail Class 84 - Wikipedia

    en.wikipedia.org/wiki/British_Rail_Class_84

    The British Rail Class 84 was a 25 kV AC electric locomotive that operated on the West Coast Main Line (WCML) of the London Midland Region.. The ten strong class was one of five prototype classes of electric locomotives built in the early stages of WCML electrification.

  3. Motor constants - Wikipedia

    en.wikipedia.org/wiki/Motor_constants

    The motor size constant and motor velocity constant (, alternatively called the back EMF constant) are values used to describe characteristics of electrical motors. Motor constant [ edit ]

  4. List of conversion factors - Wikipedia

    en.wikipedia.org/wiki/List_of_conversion_factors

    Conversions between units in the metric system are defined by their prefixes (for example, 1 kilogram = 1000 grams, 1 milligram = 0.001 grams) and are thus not listed in this article. Exceptions are made if the unit is commonly known by another name (for example, 1 micron = 10 −6 metre).

  5. Frequency changer - Wikipedia

    en.wikipedia.org/wiki/Frequency_changer

    A variable-frequency drive (VFD) is a type of frequency changer used for speed control of AC motors such as used for pumps and fans. The speed of a synchronous or induction AC motor is dependent on the frequency of the AC power supply, so changing frequency allows the motor speed to be changed. This allows fan or pump output to be varied to ...

  6. Dynamometer - Wikipedia

    en.wikipedia.org/wiki/Dynamometer

    Either an AC motor or a DC motor can operate as a generator that is driven by the unit under test or a motor that drives the unit under test. When equipped with appropriate control units, electric motor/generator dynamometers can be configured as universal dynamometers. The control unit for an AC motor is a variable-frequency drive, while the ...

  7. MLB to test robo-ump challenge system at spring training ...

    www.aol.com/sports/mlb-test-robo-ump-challenge...

    MLB to test robo-ump challenge system at spring training, could implement it league-wide in 2026. Jack Baer. November 21, 2024 at 6:30 PM.

  8. ‘Latinos Break The Mold’ by Huffington Post

    testkitchen.huffingtonpost.com/latinos-break-the...

    Built with Readymag—a tool to design anything on the web.

  9. Power engineering - Wikipedia

    en.wikipedia.org/wiki/Power_engineering

    The installation powered a 100 horsepower (75 kW) synchronous motor at Telluride, Colorado with the motor being started by a Tesla induction motor. [13] On the other side of the Atlantic, Oskar von Miller built a 20 kV 176 km three-phase transmission line from Lauffen am Neckar to Frankfurt am Main for the Electrical Engineering Exhibition in ...