File:Image from page 112 of "Electric railway journal" (1908).jpg
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[edit]DescriptionImage from page 112 of "Electric railway journal" (1908).jpg |
English: Identifier: electricrailway331909newy
Title: Electric railway journal Year: 1908 (1900s) Authors: Subjects: Electric railroads Publisher: [New York] McGraw Hill Pub. Co Contributing Library: Smithsonian Libraries Digitizing Sponsor: Smithsonian Libraries View Book Page: Book Viewer About This Book: Catalog Entry View All Images: All Images From Book Click here to view book online to see this illustration in context in a browseable online version of this book. Text Appearing Before Image: Pittsburg 1200-Volt Line—Luntzs Bridge with the compensators in circuit. When full speed is at- The generator fields are also connected in series throughtained the compensator is cut out and the motor direct a single equalizer bus, to insure both machines taking aconnected to the 13,200-volt buses. The oil switches con- correct proportion of the load. Text Appearing After Image: Pittsburg 1200-Volt Line—Ellwood City Y trolling these connections are interlocked to prevent themotors being thrown direct on the full voltage when start-ing up from rest. TRANSMISSION LINE The working potential of the three-phase transmissionis 13.200 volts and the frequency 60 cycles per second. January 16, 1909.] ELECTRIC RAILWAY JOURNAL 95 The three wires are arranged in the form of an equilat-eral triangle, with sides 30 in. in length. An aluminumwire built up of seven strands and having a current car- 1 24 > - -30M Note About Images Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work. |
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Source | https://www.flickr.com/photos/internetarchivebookimages/14781142573/ |
Author | Internet Archive Book Images |
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