International Library of Technology · Scranton, International Textbook Co. · leaf 125
of the series-field coils and the series-fieldshunt with which they are in multiple. Any change in thisrelation also changes the degree to which the dynamo willovercompound. 43, Coiraections for Compoimd-Woixiid. Generator. Fig. 15 is a sketch of the connections of an ordinary four-pole railway… … Fig. 15. connected together by means of a half circle copper strip.If the machine had eight or ten poles and eight or ten brushholders, it would still have only two armature terminals,because all brushes of the same polarity would be joinedtogether. It will be noticed that each field coil is…
Electrical engineering
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