Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 167
ctions 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 rheostat arms… … Fig. 248.—Connections for a two-phase induction motor, self-starter. This starter worksexactly the same as the one shown in Fig. 247, except that the resistance is inserted in thesecondary circuit instead of the primary. RHEOSTATS AND CONTROLLERS 157
Electric wiring
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