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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.
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.
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.
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 ...
[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 ...
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.
TL;DR: Relive the science fair with the DIY Tesla Music Coil Kit, on sale for $399.99 as of Nov. 7. Now you can bring what you see in your head to life with the DIY Tesla Music Coil Kit. This kit ...
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 ...