Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 555
CHANNEL IRON Fig. 104. Section of Track Equipped for Street Railway Service. When, as is sometimes necessary, the buttons are placed in a single row,it is necessary that the pick-up current should be of the same voltageas that of the main circuit, and consequently the car-wiring indicated inFig. 96… … Fig. 105. Diagram of Car-Wiring. Referring to Fig. 105, the method of picking up the current is as fol-lows : Switch A is first closed; this completes the circuit from a storagebattery D, through a small 500-volt motor-generator F, which immediatelystarts. As soon as it is up to speed, which only…
Electrical engineering
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