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 208
oken up to eliminateany danger that might arise from induced voltage. It is not advisable to throw on a fullrated voltage and a compensator should, therefore, be provided to reduce the pressure. preferably cast into the frame of the machine. The field coils aremachine wound and carefully insulated.… … Fig. 1.463.—Triumph 36 pole fly wheel type revolving field. The spider has the form of «fly wheel having spokes and rim to which the field magnets are attached by through bolts.The neld coils are of copper strap bent on end, the land generally used on large machines.The series connection of the…
Electrical engineering
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