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 229
Fig. 1,494.—Laminated core with two coils in position; type of punchings used on somemachines having concentrated whole coil windings. The manner of assembling the coilsis shown in fig. 1,495. Ques. What is the wave form with a concentratedwinding? Ans. The pressure curve rises suddenly in value… … LAMANAE Fig. 1,495.—-Westinghouse single phase concentrated coil armature; view showing methodof placing coils. The coils are machine wound on formers and after being taped, varnishedand baked, are spread out slightly so as to pass over the teeth and are then forced intoplace in the deep slots by…
Electrical engineering
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