Image from page 26 of "The Street railway journal" (1884)

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Identifier: streetrailwayj251905newy
Title: The Street railway journal
Year: 1884 (1880s)
Authors:
Subjects: Street-railroads Electric railroads Transportation
Publisher: New York : McGraw Pub. Co.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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VIEW OF POWER STATION, SHOWING GENERATORS AND SWITCHBOARD center position is for taking the cars into the car shed, wherea special low-tension overhead trolley line is provided. Forthis purpose, when the cars arrive at this point the switchesSzv are closed and the low-tension trolleys LT are put intooperation. The transformer reduces from 5000 volts to 260volts, and the barrel controller switches this voltage step bystep on to the motors. Aprii, I, 1905.] STREET RAILWAY JOURNAf, 593

Text Appearing After Image:
ARRANGEMENT OF WIRING CIRCUITS ON CARS FOR THE M URNAU-( )BER-AMMERGAU SINGLE-PHASE RAILWAY Each car is provided with two 80-hp motors, which aregeared to the two end axles of the coach through single reduc-tion gears with a ratio of i to 5.2, the running wheels having adiameter of 800 mm (^lyz ins.). These motors enable the carto maintain a normal full speed of 40 km per hour when run-ning either by itself or with a trailer. The two motors arealways in parallel; they are of the lo-pole single-phase com-mutator type, and are built to a design which includes specialwindings for reducing the sparking. It is claimed that thisarrangement has been so successful that the sparking at thecommutator is practically nil over a very wide range of speed.This type of motor can also be arranged for running with con-tinuous current if necessary. The cars have been tested on the steepest grade (i in 25), and they started with a gross load of50 tons without any trouble whatever. The complete electrical

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Image from page 26 of "The Street railway journal" (1884)

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