Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 165
lenoid 1. In closing, solenoid 1 connects thewinding of solenoid 2 across the line. The plunger of solenoid 2 opens the contact arm a2, in-serting solenoid 3 in circuit, which in turn opens contact as, inserting the resistance, r, in series withthe windings 2 and 3. When the pressure reaches a… … Fig. 246.—Connections for a self-starter of the sliding-contact type operated with anauxihary electromagnet controlled by a pressure regulator of the type described in Fig. 245.The operation is the same as the starter shown in Fig. 243, except that the auxiliary magnet isarranged to hold itself in…
Electric wiring
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
