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 241
BAR INDUCTOR Fig. 1,516.—Copper strap or ribbon with insulation. These are generally from ^f.to j^jinch thick with rounded edges as shown to avoid cutting the insulation. Fig. 1,517.—Bar inductor. Its shape enables putting the maximum cross section of copper intothe slot and is used to advantage on… … Fig. 1.51S.—Style of armature core stamping used with bar wound machines. This con-struction, since there are no indentations in the teeth for wedges, makes it necessary toprovide bands to hold the bars in place. Ques. How are bar windings sometimes arranged? Ans. In two layers, as in fig. 1,523. -…
Electrical engineering
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