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 24
e as shown in the illustration has twelve slots and sixcommutator segments, the number of each required for theexample of lap winding indicated in the winding table fig. 259. In making the wooden core, the slots may be formed by nailing a seriesof thin strips around a cylindrical piece of wood,… … Fig. 261.—Developed view of a typical lap winding. From the figure it is seen that at the backof the armature each inductor is united to one five places further on, that is, 1 to 6, 3to 8, etc., and at the front end of the winding, after having made one element, as forexample d-7-12-e, then forms a…
Electrical engineering
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