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 212
e whole of the windings. ARMATURE TROUBLES 631 Burning of Armature Coils.—The reason for the burningof an armature coil may be explained as follows: The coil,segments, and the short circuit between the segments form aclosed circuit of low resistance so that it is only necessary to havea low… … IG. 707.—Watson field coils. Automatic machinery is employed to wind these coils; afterwinding, they are bound with tape, then baked to expel all moisture, and while hot, aresaturated with an insulating compound and again baked for twelve hours to make thempractically oil and water proof. Heavy…
Electrical engineering
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