The practical testing of dynamos and motors (1905)
Smith, Charles Frederick, 1873- · Manchester Scientific Pub. Co · leaf 319
he excitation.Armature reactions Avill prevent an exact proportionalitybetween voltage and excitation from being maintained.To allow for this, and for the fact that the magnetisationcurve is not exactly straight, extra turns have to bewound upon the field, which will cause the voltage toincrease… … Fig. 107.—Regulation by Series Booster. Ml M.^ Supply mains. M Motor armature. D Booster armature. Fj F2 Field windings of motor and booster. Ri Resistance for regulating excitation of motor. Ro Resistance for varying main current. Aj Ammeter for measuring current supplied. A.^ Ammeter for…
Dynamos · Electric motors
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
