. The Street railway journal . pneiunatic appliances in all parts of the works wherecurrent is obtanablc. The suliject is a fruitful one for superin-tendents who desire economy of operation and at the same timeendeavor to maintain a high degree of efficiency in equipment. 582 STREET RAILWAY JOURNAL. [Vol. XXL No. i6. NEW POWER PLANS OF THE UNITED RAILWAYSOF SAN FRANCISCO It may be truthfully said that the light, power and street rail-way companies in the Far West were the pioneers in the useof high voltage alternating current. This may be accountedfor in various ways. Perhaps the most importan
. The Street railway journal . pneiunatic appliances in all parts of the works wherecurrent is obtanablc. The suliject is a fruitful one for superin-tendents who desire economy of operation and at the same timeendeavor to maintain a high degree of efficiency in equipment. 582 STREET RAILWAY JOURNAL. [Vol. XXL No. i6. NEW POWER PLANS OF THE UNITED RAILWAYSOF SAN FRANCISCO It may be truthfully said that the light, power and street rail-way companies in the Far West were the pioneers in the useof high voltage alternating current. This may be accountedfor in various ways. Perhaps the most important reasonwas that many Western companies did not start to build theirplants until after the use of high voltage alternating currentshad been made a success, and therefore were not burdenedwith expensive direct-current and low-voltage equipment,which could not be disposed of to advantage. Again there isnot so much opposition to high voltage transmission lines in theWest as there is in the East. Furthermore, it is an undoubted ^1. Vtop of Concrrlt Buchanan St. Elevation. connected to two 400-kw Siemens & Halske generators; two6oo-hp engines, each belt connected to M. P. 200-kw generator, and two 300-hp engines, each belt connected to a M. P. 200-kw generator. (2) From the Carl Street power house, which has an equip-ment consisting of a 250-hp and a 500-hp engine, either one ofwhich may drive a jack shaft, to which are belted four M. , one M. P. 100, and one M. P. 270-kw generators. (3) From the Oak Street and Broderick Street power house,which contains a 750-hp engine, belt-connected to one M. , one M. P. 200, and two M. P. 90-kw generators. (4) From the Sutro power house, which contains one direct-connected 400-kw, and one direct-connected 200-kw generator. (5) From a power house rented from the Pacific PowerCompany, having an output of about 600 kw. , Scale, Feet.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
