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 212
e noise and entailingwear and tear on the whole outfit. REGULA TIXG DE VICES 1,731 Ques. Why does the movable contact arm of theprimary relay tend to remain nearer one of the stationarycontact points than the other? Ans. This is due to the tendency of the relay to open the con-tact whenever the… … t; Hi- : -:. t Fig. 2.430.—Diagram of connections of automatic induction regulator and accessory appara-tus on three phase feeder circuit. with each of the stationary contact points and so arranged asto assist in making the contact by increasing the pressure onthe contact points at the instant of…
Electrical engineering
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