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 128
r either oneor two coils per slot, the difference in arrangement for these is here illustrated. 340 HAWKINS ELECTRICITY Barrel winding has been very widely adooted. Although it involvesan increased length of armature, this gives additional cooling surface andprovides for good ventilation. In barrel… … Fig. 377.—Westinghouse barrel wound armature. The coils are former wound from copperstrap_ and are interchangeable. In the larger size machine they are of the single type.The illustration shows plainly the characteristic feature of barrel winding, namely theoblique end connectors carried out on the…
Electrical engineering
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