Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1903)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 416
e tips tothose illustrated in Fig. 349. The neutral line, or plane will,therefore, advance backward against the direction of rotationof the motor, and it is at this position commutation in a mo-tor should take place. The brushes are set in the same man-ner as given for a dynamo in ^f 339, but are… … H. P. driving dynamo = 32.7. i Watts intake by motors, 20868.84 watts. Bfficiency of dynamo, 90$. Efficiency of motor, 8(K. Useful watts generated= 21967.2 (29.4 H. P.) I Useful power developed by motor, 22.3 H.P.General efficiency of tbe entire transmission system, 68$.Fig. 374.—Electrical Power…
Electricity · Magnetism
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