Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 208
battery both increase.This charging current is limited by theregulator shown diagrammatically in Fig. 203 which consists ofa carbon pile rheostat R in the field coil circuit and a solenoidB in the battery circuit. The weight of the plunger of B keepsthe carbon pile compressed, while the upward pull… … Fig. 202.—Control panelfor a train lighting system. 184 PRINCIPLES OF ELECTRICAL ENGINEERING [Chap, xxvi the pressure on the carbon pile is relieved as soon as the currentreaches the safe maximum charging rate of the battery. If this were the only provision made for regulating thegenerator, then…
Electrical engineering
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