. Electric railway review . Commerce Street Power Plant. Milwaukee—Coal Wagon. horizontal turbine driving an exciter at 3,600 revolutions perminute and generating direct current at 120 volts addition to the engine and turbine-driven units thereare three 500-kilowatt capacity motor-generator sets with13,200-volt, 25-cycle, synchronous motors driving 2,300-volt,60-cycle alternating-current generators. These phase-chang-ing sets increase the flexibility of the station by offering ameans for adjusting the load between the CO-cycle recipro-cating-engine-driven alternators and the 25-cyc
. Electric railway review . Commerce Street Power Plant. Milwaukee—Coal Wagon. horizontal turbine driving an exciter at 3,600 revolutions perminute and generating direct current at 120 volts addition to the engine and turbine-driven units thereare three 500-kilowatt capacity motor-generator sets with13,200-volt, 25-cycle, synchronous motors driving 2,300-volt,60-cycle alternating-current generators. These phase-chang-ing sets increase the flexibility of the station by offering ameans for adjusting the load between the CO-cycle recipro-cating-engine-driven alternators and the 25-cycle turbine-driven alternators. There is also one motor-driven exciter. lerce Street Pov Plant, Milwaukee—Motor-Operated HighPressure Valves. for the turbine sets consisting of a 150-kilowatt, 25-cycle in-duction motor driving a 12fl-volt, direct-current generator. Auxiliaries and Piping. An accompanying illustration shows, in plan and eleva-tion, the high-pressure steam piping for half of the powerstation. It will be noted that there are two boiler connec- tions from each one of the two boilers which are containedin one setting. The piping is so arranged that steam fromeach pair of boilers is led in a direct way to one of yiereciprocating units. By means of an equalizing header 10inches in diameter and motor-operated valves in each sec-tion of the pipe, any particular engine can be supplied withsteam from any desired pair of boilers. Steam tor operatingone of the turbine units is taken from the header as shownon the drawing. This steam main to the turbine passesunder the engine-room floor and across the width of the build-ing to the turbine plant under
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectstreetr, bookyear1906
