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 21
up theother in agreement with the directions of the electromotiveforces. The order followed in m?.king these connections givesrise to lap and wave windings. ARMATURE WINDINGS 233 Ques. What is lap winding? Axis. One in which the ends of the coils come back to adjacentsegments of the commutator] the… … Fig. 257.—Development of ring winding of four pole machine shown in fig. 254. The deadwire or inactive inductors on the inside of the ring are shown in dotted lines, the full linesrepresenting the active portion of the winding. Angular Pitch or Spread of Drum Coils.—Before takingup the winding as a…
Electrical engineering
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