The practical testing of dynamos and motors (1905)
Smith, Charles Frederick, 1873- · Manchester Scientific Pub. Co · leaf 77
p corresponding to any current. Thedrop in volts is represented by the vertical distancebetween the lines A B, A C on the ordinate correspondingto the current for which the drop is required. In determining the resistance of the armature tocorrespond with working conditions, it should bemeasured… … Fig. ].—Diagram of Armature Currents in a Dynamo.(Brushes Without Lead). in- temperature. The resistance of an armature whenheated to a temperature of 70° Fah. above the temperatureof the atmosphere, which is the usual maximum rise intemperature allowed, will be 16-7 per cent, greater thanits…
Dynamos · Electric motors
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