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 293
ng, andslewing motions of crane, series wound motors of a generallysimilar type to those used for electric traction give satisfactoryresults, this work being in fact a simple class of electric traction.The driving of the hoisting motion presents a more difficultproblem, for though it is easy to… … Fig. 4,225.—Sectional view of Shaw type Z Crane motor. The frames are of cast steel splitdiagonally and when assembled with bearings completely enclose the armature. Themotor has four salient poles cast integral with the frame and so shaped that the field coilscan easily be put in place. The brake…
Electrical engineering
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