The practical testing of dynamos and motors (1905)
Smith, Charles Frederick, 1873- · Manchester Scientific Pub. Co · leaf 60
current, which is derived from a separate source,is varied, and the effect of this variation on the voltageis observed. The magnetisation curve is often called the opencircuit characteristic. Experiment V.—Determination of the MagnetisationCurve, or Relation between Voltage andExciting Current of a… … s Fig. 13.—Alternative Connections for Experiment V 46 THE MAGNETIC CIRCUIT. Connections.—These may be made as in ExperimentIV., but the rheostat must in this case be of fairly highresistance and capable of great variation, in order to givegreat variation in the values of the exciting current.…
Dynamos · Electric motors
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