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 278
nd strip insulation is wound in between. When completed theturns are held rigidly in position with heavy brass wedges. An end disc made of bronzeholds the stub shaft and is bolted to each end of the steel center. When the leads areattached to the collector rings the field is complete. Ques. What… … of the high speed, re-quires specially strongconstruction to resistit, consequently closedor nearly closed slotsmust be used. Ques. How is thedesign of the rotormodified so as to re-duce the centrifugalforce ? Ans. It is made longand of small diameter. Some examples of re-volving fields are shownin…
Electrical engineering
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