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 252
Pig. 1,535.—Section of Triumph armature showing method of arranging the three phase winding. Three Phase Armature Windings.—On the same generalprinciple applicable to two phase windings, a three phase windingcan be made from any single phase winding, by placing threeidentical single phase windings… … Fig. 1.536.—Three phase winding with distributed coils—wound in tour slots per pole perphase; diagram showing placement of the coils.
Electrical engineering
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