Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 190
s fitted with slip rings. Such a motor is notself-starting, as it has no torque when sta-tionary; but if it is started up by externalmeans, as by some phase-splitting arrange-ment, a field is set up normal to the axis ofthe stator winding, and nearly 90° displacedin phase from the field in that… … Fig. 1.—Single-pbaee MotorA, starting position. B, Running position. I, External inductance. E, Rheostat. time, as it is the only one, except the syn-chronous motor, which has no commutator.One of its chief defects is that, except forthat obtained by the use of phase-splittingdevices, it has no…
Electrical engineering
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