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 209
1,728 II. III KISS ELECTRICITY of the former, for starting, stopping and reversing the motor inaccordance with changes in the feeder voltage, thereby causingthe regulator to maintain that voltage at its predeterminednormal value. C G G G … Fig. 2,427.—Westinghouse voltage regulating secondary relay; view showing relay removedfrom oil tank. The secondary relay is practically a motor starting switch of the doublepole double throw type, electrically operated through the contacts of the primary relay.It is provided with contact points of…
Electrical engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-650-390.webp)
