Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 209
ttery was fully charged, this would cause excessivegassing of the battery and a loss of water from the electrolyte;the generator voltage would then be 32 X 2.65 = 85 volts with a32-cell battery. In order to decrease the charging current once the battery isfully charged, an additional relay is… … Fig. 203.—Automatic switch, and generator regulator. the plunger of this solenoid keeps the carbon pile compressed,but when the generator voltage reaches a value somewhat lowerthan 85 volts the plunger is pulled up and the pressure on thecarbon pile is relieved so that the voltage cannot increase…
Electrical engineering
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