International Library of Technology · Scranton, International Textbook Co. · leaf 346
olves would depend upon the frequencyof the alternator. In this case, if the frequency were 60, the>. X 60 field would make s = 30 rev. per sec., or 1,800 R. P. M. The effect of the distributed winding in Fig. 1568 is moreuniform than that in the simple motor shown above andcauses the motor to… … Fig. 1570.coils form independent closed circuits, since their two ter-minals are united at the points (f. When a current is sent M. E. IV.—40 2720 THEORY OF ALTERNATING through the field, a varying magnetic flux is set up throughthe armature coils, thus generating an E. M. F. in them.Since the…
Electrical engineering
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