Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 118
Fig. 2.—Two-phase Variable-speed Induction Motor A, Phase I. B, Phase II. Gorges described his invention in theKT.Z. for December 25, 1891, p. 699. Fig.3 represents diagrammatically a three-phase … m n Fig. 3.—Three-phase Variable-speed Induction MotorN, Neutral point. it is difficult to ascertain precisely how farhe carried his invention. It was revived in1902 by Winter and Eichberg, who were thefirst to state explicitly and fully the possi-bilities of the machine.
Electrical engineering
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