Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 606
Fig. 379. In the Alteneck, Lontin and G ramme alternating current sys-tems there is one point of resemblance, viz. : the charging of thefield magnets of one or more generators by a current from a spe-cial constant current machine. Fig. 380 represents this arrange- … ment, the exciting machine, E, being connected with the fieldmagnets of the four machines, I^, 12, is, and I^*, each of whichsupplies one or more arc lamps. 586 THE ELECTRIC LIGHT. NIAUDETs CONTINUOUS CURRENT MACHINE. Fig. 381 represents tlie Niaudet machine. It lias a polararmature,—the rotating…
Electrical engineering
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