File:Gramme Ring - 1 coil - 1 pole.png

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Summary

Description
English: Separate excitation of an electric generator. DC generator with commutation is shown, but the principle also applies to AC alternators.

Public Domain source:

  • Hawkins Electrical Guide, Volume 1
  • Chapter 14: The Dynamo: Current Commutation, Page 174.
  • Copyright 1917 by Theo. Audel & Co.
  • Printed in the United States
For a list of all these illustrations used in Wikipedia please see the article w:Hawkins Electrical Guide.
Source Scanned by Dale Mahalko, Gilman, WI, USA
Author DMahalko (talk) 21:09, 12 January 2008 (UTC)
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Date/TimeThumbnailDimensionsUserComment
current21:09, 12 January 2008Thumbnail for version as of 21:09, 12 January 20081,232 × 566 (25 KB)DMahalko== Summary == Separate excitation of an electric generator. DC generator with commutation is shown, but the principle also applies to AC alternators. '''Public Domain''' source: * Hawkins Electrical Guide, Volume 1, Page 174. * Copyright 1917 by Theo. Au
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