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 526
t1,000,000 c. m. is about the largest that can be safely handled for under-ground work, while anything larger than 500,000 c. m. for overhead circuitsis found to be difficult to handle. 7. In cases where it is necessary to feed the trolley wire in short sections,in order to reinforce the trolley… … Fig. 66.For lines having parks at the end, or in fact for any such section, it isperhaps best to run a feeder nearly to the end of the section, then take thetrolley line to the feeder at various points comparatively short distancesapart, as shown in the following cut; and if the loads are at times…
Electrical engineering
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