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radio technologies to transmit sound (AM). In this device the rotor had 600 poles, rotated at 2170 RPM and the output frequency was 22.1 kHz. The stator was water-cooled. Alexanderson alternators were very expensive, inefficient, and finicky to adjust, and were replaced by
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used between 1906 and the mid 1920s, mostly at powerful governmental and Naval radio stations. It consisted of a specialized electric generator spun at extremely high speed to generate radio waves, and was one of the first
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Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the
Commons. If the work is not a U.S. work, the file
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Alexanderson 200-kw alternator radio transmitter installed at the US Navy's New
Brunswick, NJ station, 1920. The
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376:(Alexanderson 200-kw generator-alternator set installed at the US Navy's New Brunswick, NJ station, 1920.)
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E. F. W. Alexanderson, Chief
Engineer, Radio Corporation of America
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Click on a date/time to view the file as it appeared at that time.
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Transferred from en.wikipedia: see original upload log above
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indicating the copyright status in the source country.
276://commons.wikimedia.org/File:200-kw_HF_Alternator.jpg
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Commons is a freely licensed media file repository.
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
