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  2. Dynamo - Wikipedia

    en.wikipedia.org/wiki/Dynamo

    "Dynamo Electric Machine" (end view, partly section, U.S. patent 284,110) A dynamo is an electrical generator that creates direct current using a commutator.Dynamos were the first electrical generators capable of delivering power for industry, and the foundation upon which many other later electric-power conversion devices were based, including the electric motor, the alternating-current ...

  3. Rotary converter - Wikipedia

    en.wikipedia.org/wiki/Rotary_converter

    The rotary converter can be thought of as a motor-generator, where the two machines share a single rotating armature and set of field coils. The basic construction of the rotary converter consists of a DC generator (dynamo) with a set of slip rings tapped into its rotor windings at evenly spaced intervals. When a dynamo is spun the electric ...

  4. Motor–generator - Wikipedia

    en.wikipedia.org/wiki/Motorgenerator

    The motorgenerator set may contain a large flywheel to improve its ride-through; however, consideration must be taken in this application as the motorgenerator will require a large amount of current on re-closure, if prior to the pull-out torque [clarification needed] is achieved, resulting in a shut down. The in-rush current during re ...

  5. Gramme machine - Wikipedia

    en.wikipedia.org/wiki/Gramme_machine

    It was the first generator to produce power on a commercial scale for industry. Inspired by a machine invented by Antonio Pacinotti in 1860, Gramme was the developer of a new induced rotor in form of a wire-wrapped ring (Gramme ring) and demonstrated this apparatus to the Academy of Sciences in Paris in 1871. Although popular in 19th century ...

  6. Electric generator - Wikipedia

    en.wikipedia.org/wiki/Electric_generator

    A generator using permanent magnets (PMs) is sometimes called a magneto, or a permanent magnet synchronous generator (PMSG). Armature: The power-producing component of an electrical machine. In a generator, alternator, or dynamo, the armature windings generate the electric current, which provides power to an external circuit.

  7. Telephone magneto - Wikipedia

    en.wikipedia.org/wiki/Telephone_magneto

    A telephone magneto is a hand-cranked electrical generator that uses permanent magnets to produce alternating current from a rotating armature. In early telegraphy , magnetos were used to power instruments, while in telephony they were used to generate electrical current to drive electromechanical ringers in telephone sets and activate signals ...

  8. Fleming's right-hand rule - Wikipedia

    en.wikipedia.org/wiki/Fleming's_right-hand_rule

    The motor will act as a generator and convert the vehicle's kinetic energy back to electrical energy, which is then stored in the battery. Since neither the direction of motion nor the direction of the magnetic field (inside the motor/generator) has changed, the direction of the electric current in the motor/generator has reversed.

  9. Third-brush dynamo - Wikipedia

    en.wikipedia.org/wiki/Third-brush_dynamo

    A third-brush dynamo was a type of dynamo, an electrical generator, formerly used for battery charging on motor vehicles. It was superseded, first by a two-brush dynamo equipped with an external voltage regulator , and later by an alternator .

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