Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 355
current Traction.—The single-phase alternating current system has the advantage that voltagesas high as 11,000 volts may be used on the trolley so that thecurrent in the trolley wire is small and power may be transmittedfor long distances before the voltage drop becomes too large,the substations…
Electrical engineering
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