Dynamo electric machinery; its design, construction, and operation; direct-current machines (1915)
Sheldon, Samuel, 1862-1920, Hausmann, Erich, 1886- joint author · New York, D. Van Nostrand Company; · leaf 294
ry. A fewcells, called end-cells^ are cut out of circuit at the beginningof the discharge and are successively cut in again as thevoltage per cell decreases due to the discharge. At theclose of the discharge all the cells are in circuit and theirnumber is E The E.M.F. capacity of the booster as… … Fig. 183. supplying energy both for lighting as well as for motors.This arrangement is especially suited to cases where themotor load fluctuates much while its average value is smalland where a reduction of pressure upon the motor circuitsunder load is advantageous. Such cases are found in…
Electric machinery
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