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 165
ode of setting of their polar projections: 1. Homopolar machines; 2. Heteropolar machines. Homopolar Inductor Alternators.—In this type the positivepolar projections of the inductors are set opposite the negative polarprojections as shown in fig. 1,402. When the polar projections are setin this… … Figs. 1,402 and 1,403.—Homopolar and heteropolar inductors. Homopolar inductors havetheir N and S poles opposite each other, while in the heteropolar type, they are staggeredas shown. Heteropolar Inductor Alternators.—Machines of this class arethose in which the polar projections are themselves…
Electrical engineering
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