Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 166
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… … Fig. 247.—Connections for three-phase induction motor self-starter. The main switch,S, is operated by a float in the tank. Closing the switch, S, energizes the main solenoid, S, whichopens the inlet valve to the plunger which acts to cut out the starting resistance. In turningaround, one of the…
Electric wiring
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