corona discharge
Sign in to saveelectrical discharge brought on by the ionization of a fluid such as air surrounding a conductor that is electrically charged
~20 min read
Encyclopedic overview
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Long-exposure photograph of corona discharge on an insulator string of a 500 kV overhead power line. Corona discharges represent a significant power loss for electric utilities. The corona discharge around a high-voltage coil Corona discharge from a spoon attached to the high-voltage terminal of a Tesla coil Large corona discharges (white) around conductors energized by a 1.05-million-volt transformer in a U.S. NIST laboratory in 1941
Excerpted from Wikipedia’s “corona discharge” article, available under the CC BY-SA 4.0 licence.