. The street railway review . Seit. 20. 1904] STKlilir RAILWAY Kli\lKW. 607 remarkably tmiforiii llow in the river at the point from which thewater is taken for power purposes and makes the operating condi-tions in using this water ideal. Although the dam and intake arc located within 10 miles of thenearest glacier the elevation at this point of diversion is only about Much of the power is distributed as alternating current; two-phasefor power and single phase for lighting, but there is also of converting capacity for producing direct current,-,coo kw. of which is used for
. The street railway review . Seit. 20. 1904] STKlilir RAILWAY Kli\lKW. 607 remarkably tmiforiii llow in the river at the point from which thewater is taken for power purposes and makes the operating condi-tions in using this water ideal. Although the dam and intake arc located within 10 miles of thenearest glacier the elevation at this point of diversion is only about Much of the power is distributed as alternating current; two-phasefor power and single phase for lighting, but there is also of converting capacity for producing direct current,-,coo kw. of which is used for liglit and stationary motor bulk of the converting machinery (7,,?oo kw.) being of the. MT. RAINIER FROM FLUME Ni;.\R —THE RESERVE SUPPLY. 1,700 ft. above sea level and the climate at this elevation is so uni-formly mild and the water flows so rapidly that no ice comes downthe river nor is formed either in the flume or reservoir. Utilization of Current. The power is used for all branches of service—light, power andrailway. It supplies the electric railway systems in Seattle andTacoma aggregating 168 miles of trolley road, the inulliplc unit. synchronous type, it is not necessary for the water power plant togenerate or transmit idle currents. • The distribution of the current to Ihc various localities and thetransformation and conversion for various uses takes place at IIsub-statious containing 26,000 kw. of transformer capacity. Six oftliesc arc designed for transforming the 55,000-volt current to lowervoltage and eight contain machinery converting to direct current forrailwav use.
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
