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 531
518 ELECTRIC STREET RAILWAYS. in the feeder and trolley carrying the load. Voltmeter D shows the dropacross the rheostat; and if the sum of readings C and!) be deducted from thestation pressure, the difference will be the drop in the ground return. … Fig. 73. The station pressure can be taken by changing the lead of voltmeter Cdown to F as shown by the dotted line. The drop on A and its resistance having been found, the trolley-pole canbe swung around and the same data be determined for the circuit B. To Stead the Ground Return Drop Directly.…
Electrical engineering
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