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 223
loose or set irregularly, the 642 HAWKINS ELECTRICITY brushes vsill be throvi-n into ^-ib^ation, and sparking vriR result.A simple examination of the commutator will readily detectthese defects. A rough and uneven commutator is due to badadjustment of brushes, bad construction of commutator, and… … Pig. 716.—Rou^ and grooved oommutator due to impnaper brush cidjustment and failure tokeep brashes in pitiper ooDditaoa. Ques. How is an untrue commutator detected? Ans. If the commutator be untrue, the fact will be indicatedwhen the machine is slowed down by a \-isible eccentricity, orb} holding…
Electrical engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
