File:Image from page 110 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

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Text Appearing Before Image: Map of Pittsburg, Harmony, But-ler & New Castle Railway Pittsburg 1200-Volt Line—Ellwood City Depot ception of approximately 4 miles at the Pittsburg end,where the cars run over the city lines, which are operated at 600 volts. TOWER HOUSE The power house is located at Harmony Junction, andits principal dimensions are as follows: Engine room length, 120 ft.; width, 49 ft.; height to rooftruss, 31 ft.; to apex, 47 ft. Boiler room length, 120 ft.; width, 57 ft. 6 in.; height toroof truss, 31 ft.; to apex, 47 ft. The more important items of electrical equipment are: Two A. T. B. 8-pole, 1500-kw, 900 r.p.m, 13,200-volt,60-cycle, vertical Curtis turbo-generator sets. Two bipolar, 25-kw, 3600 r.p.m., 125-voit, horizontal Cur-tis turbine exciter sets. Tin- turbines are standard General Electric four-stage

Text Appearing After Image: Pittsburg 1200-Volt Line—Buhl Bridge station takes care of the center portion of the system.The Butler section is 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 po

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