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 253
, 30 slot winding in two ranges. In this winding perfectsymmetry occurs after every four poles. Accordingly in the case of an odd number ofpairs of pole, one of the coils must necessarily be askew going from the inner to the outerrange as at M. Each of the three individual windings must be… … Fig. 1,539.—Three phase 10 pole 30 slot winding in three ranges. The coils of each phase arealike, those of the A phase being all in the straight out range, those in the B phase, in abent up range, and those in the C phase in a bent down range. This arrangement has thedisadvantage, that by reason…
Electrical engineering
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