Practical applied electricity; a book in plain English, for the practical man. Theory, practical applications and examples (1911)
Moreton, David Penn, 1882- · Chicago, The Reilly & Britton co · leaf 208
same in both cases. The current inthe shunt-field winding will remain constant in direction and,as a result, the direction of the magnetic field of the machinedoes not change. The direction of current in the armature,however, changes and as a result the direction of the magneticfield produced by it… … the field current and it is acting downward, as shown in Fig.159, instead of upward, as shown in Fig. 143. Since the mag-netizing effects of the armature current and the field currentare present at the sametime, they form a resultantfield whose general direc-tion is similar to thatshown in Fig.…
Electrical engineering
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