Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 664
Fig. 430. THE REGULATOR. 643 THE REGULATOR. It is very desirable that the supply of current should remainconstant in an arc light circuit, and it is also desirable that thepower consumed should diminish when some lights are cut out … of the circuit, and for this reason it is necessary to have recourseto regulating methods. About the easiest is to move the brushesaway from the neutral point when less current is required. Bythis operation some of the sections are commutated on the wrongside, and thus counteract the induction…
Electrical engineering
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