An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 562
ushes modern street-railwaymotors are built with commutating poles, as described in sec-tion 161. Moreover, the output of these motors has been in-creased by very effective ventilation. The air is drawn in atthe commutator end of the frame and forced out at the otherend by a fan mounted on the… … Fig. 353. —- Street-car motor withtop of case lifted up. 504 ELECTRICITY AND MAGNETISM in figure 354 show in a graphic way the relation between thecurrent used and the tractive effort, speed, and efficiency ofa modern railway motor. s a > . s s^ 1 l«B- S .w J3 / & S U / V / O / / / / tt \ /…
Electricity · Magnetism
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
