File:Image from page 111 of "Electric railway journal" (1908) - 14574623129.jpg
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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: s fed by feeders. Synchronous motorgenerator sets in the substation transform the high poten-tial alternating current to 1200 volts direct current, whichis the working potential of the trolley.The more important distances are New Castle to She- Pittsburg 1200-Volt Line—Grimm Bridge SpanningConnoquenessing River machines, with two rows of buckets per stage, and havemechanically operated valves and oil step bearings. Theyoperate condensing, the usual vacuum attained being 28^in. or better. The exciter sets operate non-condensing. Among the auxiliary apparatus may be mentioned twojet condensers, two horizontal feed pumps, two centrifugal January 16, 1909.] ELECTRIC RAILWAY JOURNAL. 93 circulating pumps, two horizontal air pumps, two hori-zontal step bearing pumps. All of these pumps are steam driven and were built bythe Worthington Company. A substation is located in the power house, but as theapparatus installed is similar to that in the other substa-tions, it will be described later. Text Appearing After Image: Pittsburg 1200-Volt Line—Exterior of Power House atHarmony Junction The present capacity of the power house is 3000 kw, butif conditions should warrant the installation of more ap-paratus, one of the end walls will be removed and addi-tional turbines placed on the other side of the substationapparatus, leaving the present substation in the middle ofthe power house. The present boiler equipment consists of four Babcock& Wilcox water-tube boilers, each of 480 hp. with a work- 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/14574623129/ |
| Author | Internet Archive Book Images |
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