. The street railway review . by which the voltage at thefeeding point on the line is kept automatically constant. Thisenables the dynamos to run parallel and all the feeders to beof the same size. Each of the three boosters is a four-pole motor connecteddirect to a four-pole dynamo on the same bed-plate. The motoris connected to the bus-bars, and the speed may be varied tosuit the voltage required by means of a resistance inserted inthe shunt windings. With the booster the storage batteries maybe charged independently of the line. There is a storage battery station near each extremity ofthe r
. The street railway review . by which the voltage at thefeeding point on the line is kept automatically constant. Thisenables the dynamos to run parallel and all the feeders to beof the same size. Each of the three boosters is a four-pole motor connecteddirect to a four-pole dynamo on the same bed-plate. The motoris connected to the bus-bars, and the speed may be varied tosuit the voltage required by means of a resistance inserted inthe shunt windings. With the booster the storage batteries maybe charged independently of the line. There is a storage battery station near each extremity ofthe road. The battery consists of 250 cells, made by the ChlorideElectric Storage Syndicate, and is capable of an output of 300ampere-hours at 500 volts. Besides regulating the voltage onthe line and providing for sudden demand for current the bat-teries furnish power independently of the generating station forearly morning and late night trains, thus permitting the stationto be shut down over much longer periods than would other-. TYPE OF CABS. • \yise be the case. The two batteries will furnish current for100 car-miles, or six round trips. The arrangement of the switchboard enables the cells to beconnected in parallel with the overhead wire, or the feedersalone may be directly connected with the line, or the batterydisconnected with the line and coupled direct to the feeder.
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
