International Library of Technology · Scranton, International Textbook Co. · leaf 190
ged. The booster voltage increasesas the current delivered by the battery increases, and as this 21 ELECTRIC RAILWAYS. 33 voltage is added to that of the battery, the result is that thevoltage at the bus-bars is maintained and the battery takesits share of the load. When the battery is to be… … |9|l|l|l|l|l Fig. 13. force current through the batteries. A booster of this typeis used therefore when a battery is either to charge or dis-charge for a certain length of time, but where it has todischarge for short intervals and then charge for similarintervals, as it should on a load subject to…
Electrical engineering
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