Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 63
lines, from about 100 miles up, the savingin copper with the highest practicable voltage is so great that theincrease in other expenses is rendered comparatively small. In the shorter lines as those ranging in length from about one mileto 50 or 75 miles, the most suitable voltage must be determined… … Fig. 2,193.—-Line of the Schenectady Power Company crossing the tracks of the Boston andMaine Railroad near Schaghticoke. Usual Transmission Voltages Length of line Voltage in miles 1 500 to 1,000 1 to 2 1,000 to 2,300 2 to 3 2,300 to 6,600 3 to 10 6,600 to 13,200 10 to 15 13,200 to 22,000 15 to 20…
Electrical engineering
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