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), 1833-1928 · New York : T. Audel & Co. · leaf 230
d the surge of current,which follows the closing of each switch, has decreased. In addition to the protection afforded by the current relays duringthe starting period, the motor is insured against overloads while runningby an overload, or circuit breaker, relay which operates to open thecircuit… … CUTO 1—\JHlMb— BRAKLFig. 4,150.—Diagram of Electron direct current mechanical controller reset from the car by merely moving the lever of the car switch to theoff position. This re-establishes the continuity of the circuit and it isthen possible for the operator to start the car again in the usual…
Electrical engineering
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