Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 161
Motor, Re-versible. Reversing a Current.—An elementarytype of switch for reversing a current isillustrated in the fig. The positive andnegative mains are connected to the con-tacts A and B. C is connected to A. The switch levers D D are connected by a bar of insulating material. The leads inwhich… … Switch for Reversing a Current the current. See Switch, Reversing; Re-versal OF Current; Current Reverser. Reversing Field.—In the process of com-mutation in a cc generator or motor the cur-rent in the coil under commutation has to bereduced to zero, reversed, and brought up tothe normal value in…
Electrical engineering
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