The electric motor and the transmission of power (1906)
Houston, Edwin J. (Edwin James), 1847-1914, Kennelly, Arthur E. (Arthur Edwin), 1861-1939, joint author · New York : McGraw Pub. Co. · leaf 191
s-tance between the iron in the armatureand the polar faces of the field magnets, isgreatly reduced, thereby reducing thereluctance of the magnetic circuit, and re-quiring much less M. M. F. in the fieldmagnet coils to produce a given amount offlux throuo;h the armature. Fig. 43 represents the… … 184 THE ELECTRIC MOTOR AND A simple form of commutator, called atwo-jpart commutator is shown in Fig. 44.SuctL a commutator would be suitable forcommuting the current produced in a singleloop of wire on an armature rotated in a
Electric motors
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