. Electric traction and transmission engineering . Fig. 121. head-race to the wheel pits are utilized for higher is desirable to set the turbines in separate pits so thatone or more may be temporarily shut down without inter-fering with the operation of the station. A cross-sectional view of the Rocky Creek Power Houseof the Southern Power Company is shown in Fig. 122, whichalso illustrates the construction of the penstock and drafttube for each turbine, and the water-tight stuffing boxbetween the wheel pit and the generator room. HYDRAULIC STATIONS. 291. Fig. 122. 292 TRACTlt)N AND T
. Electric traction and transmission engineering . Fig. 121. head-race to the wheel pits are utilized for higher is desirable to set the turbines in separate pits so thatone or more may be temporarily shut down without inter-fering with the operation of the station. A cross-sectional view of the Rocky Creek Power Houseof the Southern Power Company is shown in Fig. 122, whichalso illustrates the construction of the penstock and drafttube for each turbine, and the water-tight stuffing boxbetween the wheel pit and the generator room. HYDRAULIC STATIONS. 291. Fig. 122. 292 TRACTlt)N AND TRANSMISSION. Fig. 123 shows the interior of the Rainbow Station of theGreat Falls Power Company, Montana. Each of the six3500 alternators is driven by a 6000 reactionturbine with two runners, each runner being enclosedin a separate spiral casing fed by a separate 8-foot steel
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