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Alternating-current machinery: a practical treatise on alternating-current principles and systems, commercial types of alternators, synchronous motors, transformers, converters, induction motors, switchboard and station appliances, etc. (1912)

American School (Chicago, Ill.), Esty, William, 1868-1928 · Chicago, American School of Correspondence · leaf 397

An illustration from Alternating-current machinery: a practical treatise on alternating-current principles and systems, commercial types of alternators, synchronous motors, transformers, converters, induction motors, switchboard and station appliances, etc., 1912, leaf 397
Fig. 328. Squirrel-Cage Rotor Mountedin Ordinary Four-Pole Field Fig. 329. Diagram of Four-Pole Two-Phase Induction Motor of which on the rotor is the same as the action of an ordinary fieldmagnet mechanically revolved. Thus Fig. 328 shows a squirrel-cage rotor A surrounded by an ordinary field…

Electric machinery -- Alternating current

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