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  2. Tesla coil - Wikipedia

    en.wikipedia.org/wiki/Tesla_coil

    A Tesla coil is an electrical resonant transformer circuit designed by inventor Nikola Tesla in 1891. [1] It is used to produce high-voltage, low-current, high-frequency alternating-current electricity. [2] [3] Tesla experimented with a number of different configurations consisting of two, or sometimes three, coupled resonant electric circuits.

  3. File:TeslaPOLYPHASEColumbianEXPO1893rwLIPACKownerA.pdf

    en.wikipedia.org/wiki/File:TeslaPOLYPHASE...

    Tesla worked on a number of other inventions, including a transformer that would change a low voltage to a high voltage by means of safe A.C. electric current. This transformer came to be known as the Tesla coil. The scene depicted herein shows the interior of the Electrical Building at the 1893 Columbian Exposition, Chicago, Illinois.

  4. File:Tesla coil circuit.svg - Wikipedia

    en.wikipedia.org/wiki/File:Tesla_coil_circuit.svg

    This is a modern unipolar version commonly used in entertainment coils, with a toroidal-shaped metal capacitive load E on the high voltage terminal. The primary circuit is shown connected to the primary winding L1 with a variable tap, so that the primary and secondary coils can be adjusted to resonance.

  5. File:Tesla-Magnifier-Electrostatic.svg - Wikipedia

    en.wikipedia.org/wiki/File:Tesla-Magnifier...

    The extra coil or helical resonator can be physically separated from the two close-coupled coils which comprise the master oscillator or driver section. The power from the master oscillator is fed to the lower end of the extra coil resonator through a large diameter electrical conductor or pipe to minimize corona.

  6. List of Tesla factories - Wikipedia

    en.wikipedia.org/wiki/List_of_Tesla_factories

    Robotic manufacturing of the Model S at the Tesla Factory in Fremont, California Tesla, Inc. operates plants worldwide for the manufacture of their products, including electric vehicles, lithium-ion batteries, solar shingles, chargers, automobile parts, manufacturing equipment and tools for its own factories, as well as a lithium ore refinery. The following is a list of current, future and ...

  7. Resonant inductive coupling - Wikipedia

    en.wikipedia.org/wiki/Resonant_inductive_coupling

    [11] [12] [13] In 1897 he patented a device [14] called the high-voltage, resonant transformer or "Tesla coil." Transferring electrical energy from the primary coil to the secondary coil by resonant induction, a Tesla coil is capable of producing very high voltages at high frequency. The improved design allowed for the safe production and ...

  8. History of the Tesla coil - Wikipedia

    en.wikipedia.org/wiki/History_of_the_Tesla_coil

    Nikola Tesla patented the Tesla coil circuit on April 25, 1891. [4] [5] and first publicly demonstrated it May 20, 1891 in his lecture "Experiments with Alternate Currents of Very High Frequency and Their Application to Methods of Artificial Illumination" before the American Institute of Electrical Engineers at Columbia College, New York.

  9. Bifilar coil - Wikipedia

    en.wikipedia.org/wiki/Bifilar_coil

    This makes it possible for the coil to hold a greatly increased amount of energy in its electric field, and lowers the resonant frequency of the coil drastically. Some bifilars have adjacent coils in which the convolutions are arranged so that the potential difference is magnified (i.e., the current flows in same parallel direction). Others are ...