The electric motor and the transmission of power (1906)
Houston, Edwin J. (Edwin James), 1847-1914, Kennelly, Arthur E. (Arthur Edwin), 1861-1939, joint author · New York : McGraw Pub. Co. · leaf 162
ropin the armature will usually vary between50 volts in a small motor, and 10 volts ina large motor, the C. E. M. F. at fullload being respectively 450 and 490 volts.The drop in speed of such a motor will,therefore, usually vary between 10 per 154 THE ELECTRIC MOTOR AKD cent, and 2 per cent.^… … Fig. 27.—Diagram of Series Winding. coil Mj is in series with the armature A^between the mains a and/; that is to saythe current from the mains passes succes-sively through the magnet Mj and arma-ture A. When such a machine is on lightload, with a small torque^ the current THE TKANSMISSIOK OF…
Electric motors
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