Electricity experimentally and practically applied; a book for the beginner and for the practical man, principles, experiments, practical applications and problems (1910)
Ashe, Sydney Whitmore · New York, D. Van Nostrand company · leaf 184
is desired to stop the motor from operating,the main switch is opened. As the armature of the motorcontinues to operate, due to its inertia, it generates anelectro-motive force which sends a current through theshunt-connected field circuit and helps to maintain the fieldexcitation. When the speed… … THE SHUNT MOTOR 163 Caution, — In order to stop a motor do not knockback the starting box arm; instead, open the main switch,since otherwise the e. m. f. of self-induction of the fieldcircuit may puncture the field winding or the insulation ofthe adjoining wires in the starting box. The writer has…
Electricity · Electrical engineering
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