File:Electrical world (1904) (14804509823).jpg

Identifier: electricalworld43newy (find matches)
Title: Electrical world
Year: 1883 (1880s)
Authors:
Subjects: Electrical engineering
Publisher: (New York McGraw-Hill Pub. Co., etc.)
Contributing Library: Engineering - University of Toronto
Digitizing Sponsor: University of Toronto

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25-cycle alternator. Thenormal revolutions are 75 per minute, and thecurrent generated will be availed of for generallighting and power purposes. The smaller engine is an A. L. Ide & Sonscompound, with cylinders 13 and 26 in. indiameter x 18 in. stroke. Directly connected tothis engine is a 200-kw, 250-volt, direct-currentBullock generator. About one-fourth of thisenergy is availed of for the excitation of thelarge Bullock alternator, and the remainder—about 150 kw—is passed through a balancer setand delivers multivoltage to motors drivingmachine tools exhibited in Machinery Hall,and operated by the Bullock multivoltagesystem. distant from the engine installation. The steam is delivered at 150pounds pressure at the throttles. The condensation of the exhaust steam is taken care of by ex-hibits from the Alberger Condenser Company, of New York. Theapparatus consists of a 36-in. barometric tube type condenser withair cooler and tail pipe complete and a combination vertical Corliss
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J .J. FIG. I.—INSTALLATION PLAN MACHINERY HALL, ST. LOUIS FAIR. The Steam for these engines is generated in the Steam, Gas and engine-driven vacuum-pump and a rotary circulating-pump. TheFuels Building, located about 100 feet west of Machinery Hall, and condenser cone is elevated SS feet above floor level. The steamthe group of boilers furnishing this steam is approximately 750 feet traps, steam separators, oil separator and exhaust heads are ex- 568 ELECTRICAL WORLD and ENGINEER. Vol. XLIII, Xo. 12. hibited by the Steam Appliance Company of Milwaukee, Wis. Thepumps exhibited by the Morris Machine Works, of Baldwinsville,N. Y., and the Deming Company, of Salem, O., take care of, respec-tively, the return water and the freeing of the oil separator. The total installation is rapidly approaching completion, and ifnothing now unforeseen prevents the plant will be ready for opera-tion by or about the first of April. The erection of the machineryhas been effected by the 60-ton traveling c

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