The standard manual of dynamos and practical application of dynamo-electric machinery (1915)
MacFadden, Carl K. [from old catalog], Ray, William D., [from old catalog] joint author · Chicago, Laird & Lee, inc. · leaf 40
both of the dynamos mentioned, isextremely pulsating, compared to current from the usualring armature, but owing to the well worked out detailsof construction, insulation, regulation, and to the relia-bility derived therefrom, both Brush and Thomson-Houston arc dynamos are known the world over.… … FIGURE 15 —SEPARATKlyY EXCITED DYNAMO. We have taken up the fundamental study of armaturesand have spoken of electro-magnets for field magnets,and the various methods in vogue for energizing themwill now be taken up. It takes a current of electricity,passing around an iron core or center to make an…
Electrical engineering · Electric machinery
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