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), 1833-1928 · New York : T. Audel & Co. · leaf 29
e here shown there are six coils, comprising twelveinductors and six commutator segments; it should be noted, however,that if there were an uneven number of coils, the rear connections ARMATURE WINDINGS 241 could be made directly across a diameter as shown in fig. 265, whichwould give a symmetrical… … Fig. 266. —Developed view of a typical wave winding. This winding, instead of lapping backtoward the commutator segment from whence it came, as in lap winding, turns the otherway. For instance, d-7-12 does not return directly to e, but goes on to i, whence anotherelement *-17-4-e continues in a…
Electrical engineering
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