Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 685
^,1867, proposed that instead of the entire current only a portionshould be made to traverse the main electro magnet of thedynamo machine for the purpose of maintaining the field of … Fig. 441. force. The advantage of this construction is, that the machineis rendered much less sensitive to changes in external resistanceof the circuit with which it is connected, than when the arma-ture and field are connected in series. When the shunt-woundmachine is in action, and a variation in…
Electrical engineering
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