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 73
. An imaginary plane passing through the axis of thearmature and the center of contact of the brush. COMMUTATION AND THE COMMUTATOR 285 Ques. What two planes are referred to in stating theposition of the brushes? Ans. The normal neutral plane and the commutating plane. The angle intercepted by… … NORMAL PLANE OFMAXIMUM INDUCTION *TtfW Fig. 301.—The proper position of the brushes, if there were no field distortion and self-induc-tion in the armature coils, would be in the normal neutral plane. In the actual dynamothese two disturbing effects are present which makes it necessary to advance…
Electrical engineering
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