Ignitron
Sign in to saveright|thumb|250px|(1) Anode, (2) Cathode, (3) Ignitor, (4) Mercury, (5) Ceramic insulators, (6) Cooling fluid An ignitron is a type of gas-filled tube used as a controlled rectifier and dating from the 1930s. Invented by Joseph Slepian while employed by Westinghouse, Westinghouse was the original manufacturer and owned trademark rights to the name "Ignitron". Ignitrons are closely related to mercury-arc valves but differ in the way the arc is ignited. They function similarly to thyratrons; a triggering pulse to the igniter electrode turns the device "on", allowing a high current to flow betwee
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Un ignitron est un dispositif électronique utilisé pour redresser le courant alternatif. Il a été inventé en 1930 par Joseph Slepian, alors employé à Westinghouse. Ce composant a notamment été utilisé dans les premières locomotives électriques alimentées en 25 kV 50 Hz (BB 12000).
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