Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 78
Fig. 1,764.—Western Electric wound annatr.e for internal resistance induction me starting the inductors are short circuited through a resistance which :s gradually cut outas the motor comes up to speed. … Figs.. 1.765 to 1769.—Western Electric wound armature for external resistance, or slip ringinduction motor, showing brush riggir.g, slip rings and bar winding. External Resistance or Slip Ring Motors.—In largemachines, and those which must run at variable speed, such asis required in the operations…
Electrical engineering
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