File:Separately Excited.png

Summary
Paraphrased article description:

''A separately excited DC generator with bipolar field magnets. Separately excited generators like this are commonly used for large-scale power transmission plants. The smaller generator can be either a magneto with permanent field magnets or another self-excited generator.''

From illustration caption:

''Separately excited dynamo. Current for field excitation is supplied by a second and smaller generator.''

Public Domain source:
 * Hawkins Electrical Guide, Volume 1
 * Chapter 15: Classes of Dynamo
 * Page 196, Figure 198
 * 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 Hawkins Electrical Guide.

Scanned by Dale Mahalko, Gilman, WI, USA

DMahalko (talk) 20:20, 12 January 2008 (UTC)