Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 399
thepotential difference at the brushes, divided by the resistance of thefield plus the resistance in the field rheostat, Formula (28). The current flowing through the armature of a shunt dynamois the sum of the currents in the field circuit and in the externalcircuit. The volts drop in the armature… … Main L-. CIRCUIT Fig. 362.—Shunt Dynamo. The field magnets are connected across the brushes. B—Fig. 360. DIRECT CURRENT DYNAMOS. 381 Resistance Bo* has been carrying a load for some time, on account of theheating effect. 352. Action of the Shunt Dynamo.—In starting a shuntdynamo, after proper speed…
Electricity · Magnetism
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