File:The street railway review (1891) (14574897700).jpg

Identifier: streetrailwayrev14amer (find matches)
Title: The street railway review
Year: 1891 (1890s)
Authors: American Street Railway Association Street Railway Accountants' Association of America American Railway, Mechanical, and Electrical Association
Subjects: Street-railroads
Publisher: Chicago : Street Railway Review Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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SECTION THROlCIl nolI.ER HOlSE AND lO.M. STORAGE. delivering current at 600 volts. The alternating current for the mainstation sub-station is not taken direct from the generator but isstepped down through three 150-kw. Wagner transformers from thehigh potential bus bars. .At all of the sub-stalions the rotaries arestarted from the alternating current side, there being connections tothe transformers to give half the working potential for starting. a 400-k\v. Bullock rotary converter, furnishing direct current at (100volts and three 150-kw., 25-cycle Wagner oil cooled transformersfor stepping down the three-phase current from 27,000 volts to ,175volts. The oil switches for controlling the high tension current areplaced in compartments at the side of the building with bus bars sup-portefl o\i-rlu-:i(l ne.tr the ceiling. Knife swildies are provided
Text Appearing After Image:
ctt OIL FILTERING PLANT. The three substations located at .Ashcville, Canal Winchester andHooker are all similar, being designed to receive two 400-kw. rotaryconverters, only one being installed in each st.ation at this time.The sub-station buildings, like the power station, are of fireproof to isolate the oil switches and also the static interrupters, readyaccess to these switches being had by means of a gallery over the oilswitches. The bus bars and high tension leads are supported oninsulators mounted on iron pins which are carried on pipe brackets. Sept. 20. 1904.) STREET RAILWAY RENIEW. 567 Electric Line Construction. The high tension line from the power station to the sub-stationsis substantially built. The poles are 40 ft. long with tops 7 in. indiameter, and are spaced 100 ft. apart. Two cross-arms are mountedon each pole, the top cross arm being 4^^x5^Sx70 in. long designedfor two pins and insulators. The lower cross arm is 4^^<x5^<.\ioo in.long and has space for four p

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