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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. 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 ...

  4. Wireless power transfer - Wikipedia

    en.wikipedia.org/wiki/Wireless_power_transfer

    When the phone is set on the pad, a coil in the pad creates a magnetic field [1] which induces a current in another coil, in the phone, charging its battery. Generic block diagram of a wireless power system. Wireless power transfer (WPT; also wireless energy transmission or WET) is the transmission of electrical energy without wires as a ...

  5. Corona discharge - Wikipedia

    en.wikipedia.org/wiki/Corona_discharge

    The avalanche mechanism does not release enough energy to heat the gas in the corona region generally and ionize it, as occurs in an electric arc or spark. Only a small number of gas molecules take part in the electron avalanches and are ionized, having energies close to the ionization energy of 1–3 ev, the rest of the surrounding gas is ...

  6. How Electric Grid Problems Could Short-Circuit Tesla Motors Inc

    www.aol.com/2014/03/26/how-electric-grid...

    The biggest roadblock facing Tesla Motors could be America's aging and inadequate electrical grid. The grid might simply lack the capacity to provide the juice for all those electric vehicles Elon ...

  7. EV charging body says Tesla's charger connector is not ... - AOL

    www.aol.com/news/ev-charging-body-says-teslas...

    U.S. automakers General Motors and Ford said they will adopt Tesla's model of charging cars with their vehicles having North American Charging Standard (NACS) ports, starting 2025. CharIN said it ...

  8. Inductive charging - Wikipedia

    en.wikipedia.org/wiki/Inductive_charging

    The primary coil in the charger induces a current in the secondary coil in the device being charged. Inductive charging (also known as wireless charging or cordless charging) is a type of wireless power transfer. It uses electromagnetic induction to provide electricity to portable devices. Inductive charging is also used in vehicles, power ...

  9. Battery charger - Wikipedia

    en.wikipedia.org/wiki/Battery_charger

    A battery charger, recharger, or simply charger, [1] [2] is a device that stores energy in an electric battery by running current through it. The charging protocol—how much voltage and current, for how long and what to do when charging is complete—depends on the size and type of the battery being charged.