. American hydroelectric practice; a compilation of useful data and information on the design, construction and operation of hydroelectric systems, from the penstocks to distribution lines . 94 HYDROELECTRIC PRACTICE cupies the down-stream third of the structure immediately below the gener-ator floor and behind the wheel pits. Here are also the house-service trans-formers and main house-distribution panel. Below the switch room is the transformer room, containing two banks ofoil-cooled 2,300/23,000 volt, skty cycle transformers of 1000, kw. and 600kw. rating each. The window openings in this r
. American hydroelectric practice; a compilation of useful data and information on the design, construction and operation of hydroelectric systems, from the penstocks to distribution lines . 94 HYDROELECTRIC PRACTICE cupies the down-stream third of the structure immediately below the gener-ator floor and behind the wheel pits. Here are also the house-service trans-formers and main house-distribution panel. Below the switch room is the transformer room, containing two banks ofoil-cooled 2,300/23,000 volt, skty cycle transformers of 1000, kw. and 600kw. rating each. The window openings in this room are the full height ofthe room and are closed with galvanized-steel louvers with steel inside doors. XXI. The 20,000 Kw. Development of Wisconsin River PowerCompany at Prairie du Sac, hydroelectric plant of the Wisconsin River Power Co., at Prairiedu Sac, Wis., has the two specially interesting features of being built upon. < Sanc^ Bed of ffi\^erV IndermediaiB BuHresses 18 fh/cffButtresses under GcrfeP/ers 4-thick ,%pe^inic7 Brush McrifressFig. 55.—Section through Hollow Concrete Dam Built on Sand Foundation a deep sand foundation and having the crest of its dam formed by a seriesof large Tainter gates. The work comprises a power house 329 x 145 the west side of the river channel, a hollow concrete dam 1,000 ft. longand an earth embankment extending 1,700 ft. beyond the east end of thedam. Between the power house and the dam are a log chute and a naviga-tion lock 35 by 170 ft. Dam.—The dam is of the hollow concrete type, with interior buttressesand a long apron on the down-stream side. The crest is formed by a rowof Tainter gates 14 x 20 ft. The buttresses are spaced 8 ft. c. to c, andbetween them are two Hues of reinforced-concrete struts. Each third but- LOW, MEDIUM AND HIGH HEAD DEVELOPMENTS 95 tress is 4 ft. thick and is carried up as a pier to support the gat
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyorkmcgrawhillb
