Henry and Hora's modern electricity; a practical working encyclopedia (1915)
Henry, James. [from old catalog], Hora, Karel Jan, 1881- [from old catalog] joint author · Chicago, Laird & Lee, inc. · leaf 184
FIG.A. THREE PHASE ALTERNATE CURRENTTO BE CONVERTED CONVERTED CURRENTDIRECTCURRENT BRUSHES … Fig. 72 — Rotary Converters. Fig. A represents a rotary converter with single magnetic field,equipped with starting induction motor. Fig. B shows a motor generator with two separate fields. Thismachine is, not improperly, called a motor generator, consisting oftwo direct-coupled machines, one of…
Electrical engineering
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