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 178
Fig. 62. work well together, if they are brought to their usual speed,and if their field excitation is adjusted so that they will gen- … Fig- 63.—Three-phase Motor. 68 revolutions per min. 150 H. P0 176 MODERN ELECTRICITY erate the same pressure. The coupling of two alternators isnot so simple a matter, because, besides the same pressure,two other conditions must be fulfilled: first they must be syn-chronized, that is, they must be…
Electrical engineering
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