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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.

  3. 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.

  4. Nikola Tesla - Wikipedia

    en.wikipedia.org/wiki/Nikola_Tesla

    To fix this problem Tesla came up with his "oscillating transformer", with an air gap instead of insulating material between the primary and secondary windings and an iron core that could be moved to different positions in or out of the coil. [98] Later called the Tesla coil, it would be used to produce high-voltage, low-current, high frequency ...

  5. Resonant inductive coupling - Wikipedia

    en.wikipedia.org/wiki/Resonant_inductive_coupling

    The Tesla coil is a resonant transformer circuit used to generate very high voltages, and is able to provide much higher current than high voltage electrostatic machines such as the Van de Graaff generator. [10] However, this type of system radiates most of its energy into empty space, unlike modern wireless power systems which waste very ...

  6. Transformer types - Wikipedia

    en.wikipedia.org/wiki/Transformer_types

    Tank transformers in radio transmitters; Tesla coil; Power inverter; Oudin coil (or Oudin resonator; named after its inventor Paul Oudin) D'Arsonval apparatus; Ignition coil or induction coil used in the ignition system of a petrol engine; Electrical breakdown and insulation testing of high voltage equipment and cables. In the latter case, the ...

  7. World Wireless System - Wikipedia

    en.wikipedia.org/wiki/World_Wireless_System

    The Wardenclyffe Power Plant prototype, intended by Nikola Tesla to be a "World Wireless" telecommunications facility.. The World Wireless System was a turn of the 20th century proposed telecommunications and electrical power delivery system designed by inventor Nikola Tesla based on his theories of using Earth and its atmosphere as electrical conductors.

  8. Colorado Springs Notes, 1899–1900 - Wikipedia

    en.wikipedia.org/wiki/Colorado_Springs_Notes...

    The Tesla Coil Builder's Guide to The Colorado Springs Notes of Nikola Tesla. Tesla Coil Builders of Richmond. Margaret Cheney, (2001). Tesla: Man Out of Time. 400 pages. Margaret Cheney, Robert Uth, Jim Glenn (1999). Tesla, Master of Lightning. 184 pages. Carol Dommermuth-Costa (1994). Nikola Tesla: A Spark of Genius. 128 pages. Thomas Valone ...

  9. Wireless power transfer - Wikipedia

    en.wikipedia.org/wiki/Wireless_power_transfer

    After 1890, inventor Nikola Tesla experimented with transmitting power by inductive and capacitive coupling using spark-excited radio frequency resonant transformers, now called Tesla coils, which generated high AC voltages.