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Tesla invented the Tesla coil during efforts to develop a "wireless" lighting system, with gas discharge light bulbs that would glow in an oscillating electric field from a high voltage, high frequency power source. [11] [8] For a high frequency source Tesla powered a Ruhmkorff coil (induction coil) with his high frequency alternator.
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.
Nikola Tesla was an inventor who obtained around 300 patents [1] ... Resultant back-emf is rectified to capacitors, and fed through a Tesla coil to a load.
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.
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 ...
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Large examples were used in inventor Daniel McFarland Cook's 1871 "Electro-Magnetic Battery" [4] and Nikola Tesla's high frequency power experiments at the end of the 1800s. [5] Nikola Tesla patented the Bifilar Coil on January 9, 1894, referring to it as a “Coil for Electro Magnets”.
The main circuit basically consists of concentric rings forming electrical dipole antennas having capacitive gaps opposing each other by 180° (called Lakhovsky antennas). The circuit is fed with high voltage and high frequency impulses from a generator, usually a spark gap Tesla coil or Oudin coil.