File:The Street railway journal (1903) (14572683840).jpg

Identifier: streetrailwayjo221903newy (find matches)
Title: The Street railway journal
Year: 1884 (1880s)
Authors:
Subjects: Street-railroads Electric railroads Transportation
Publisher: New York : McGraw Pub. Co.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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oooo Crown protected web bonds, compressedinto 7,s-iu. drilled holes, and cross-bonds are applied at inter-vals of 500 ft. All special work is completely shunted by coppercable running underneath the track, so that renewals may bemade without opening the track return circuit. Considerable bridge work was encountered, perhaps the mostdifficult being a short distance south of Connellsville, where itwas necessary to elevate crossings of the Baltimore & OhioRailroad and Pennsylvania Railroad tracks, and to make an J 414 STREET RAILWAY JOURNAL. (Vol. XXII. No. 10. abrupt 90-deg. turn at the end of the bridge to avoid crossing a at numerous voltages and frequencies. The equipments were third set of surface tracks. The bridges are all of steel, and of in many cases obsolete, although still serviceable, and flat rates the deck girder pattern. for lighting prevailed. The line is provided with turnouts at frequent intervals, the The entire electrical separation of railway and lighting sys-
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GENERAL PLAN OF MAIN POWER HOUSE exact location of a number of which will be largely determinedby future development in traffic and running schedules. POWER EQUIPMENTPrevious to the incorporation of the West Penn system noless than a dozen plants were in operation within a 20-milecircle, centering at Connellsville. These furnished 550-voltcurrent for railway operation and arc and incandescent lighting terns has been effected, but common distributing points havebeen adopted, and all apparatus is housed in the same buildings. The power generating station, serving the entire district, islocated on the banks of the Youghiogheny River, about 1%miles south of Connellsville, on the New Haven bank. The sitefurnishes excellent coaling facilities and mountain water sup-ply, and is the logical electrical center of the system. Low- September 5, 1903.) STREET RAILWAY JOURNAL. 415 tension, alternating-current is generated at the station, andhigh-tension alternating-current transmission at 22,000 vo

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