Archivo: Gramme Ring - 4 coil

Descripción: Drawing based on w:Image:Gramme Ring - 4 coil.png. Description from there: A four coil Gramme ring. The coils of A and A' sum together as do the coils of B and B', producing two pulses of power 90 degrees out of phase with each other. When coils A and A' are at maximum output, coils B and B' are at zero output. Public Domain source: * Hawkins Electrical Guide, Volume 1 * Chapter 14: The Dynamo: Current Commutation * Page 177, Figure 185 * 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. Scanned by Dale Mahalko, Gilman, WI, USA
Título: Gramme Ring - 4 coil
Créditos: Trabajo propio
Autor(a): Borb
Permiso: Puedes usar la licencia que prefieras.
Términos de Uso: Creative Commons Attribution-Share Alike 3.0
Licencia: CC BY-SA 3.0
Enlace de Licencia: https://creativecommons.org/licenses/by-sa/3.0
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