International Library of Technology · Scranton, International Textbook Co. · leaf 395
Fig. 39. motor, and the other smaller part, R^ to R^, is connectedbetween the two motors on the first notch. The controllerdiffers in this respect from the General Electric controllers,where the resistance is all in one place. It makes verylittle difference where the resistance is put so long as it… … FOUR-MOTOR EQUIP-MENTS. 58. The general tend-ency in electric railroadinghas been towards largercars and higher speeds. Inmany cases, the compara-tively short single-truckcar has given place tothe long double-truck car.These long cars may beequipped with either oneor two motors on eachtruck. In…
Electrical engineering
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