Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 314
A B Fig. 340.—Effect of resistance on the magnitude and on the phase angle ofcurrent in a series circuit. ance is put into the rotor bars to reduce the starting current tothe full-load value, the angle of lag of the rotor currents will be sosmall that the torque is all effective, and full-load… … Fig. 342.—Wound rotor. developed with full-load current. By using a lower resistance,twice full-load torque may be obtained with about twice full-load current. 19 290 PRINCIPLES OF ELECTRICAL ENGINEERING [Chap, xxxvj When a motor is running under load, a large rotor resistance isundesirable because…
Electrical engineering
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