Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 118
A-OU Fig. 4.—Phase Diagram of a Three-phase Variable-speedInduction Motor A, Phase I. B, Phase II. 0, Phase III. variable-speed induction motor, and in fig.4 are shown the phase relations of the statorand rotor circuits. Polyphase Conduction Motor, ShuntVariable-SPEED.—This motor, proposedby Lamme,… … Fig. 6.—Two-phase Lamme Motor (shunt characteristicwith variable speed) 0, Phase I. s, Phase II. three brushes are placed. Each brush circuit,as A B of fig. 5, for instance, is neutralisedby a circuit placed in series with it producingan equal and opposite number of ats. Thuspolyphase current…
Electrical engineering
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