. Electric railway review . rotected against severe water-hammer by a Lombard relief valve discharging in a linewith the entering penstock. The waterwheel governors aredriven by belts over the main shaft and are also controlledelectrically from one of the main switchboard panels. Each pair of wheels is direct connected, as shown inthe accompanying illustration, to one Allis-Chalmers-Bullock3-phase, 33-cycle, 10,000-volt generator, operating at 330 revo-lutions per minute, and having as its rated normal load 131 May 11, 1907. ELECTRIC RAILWAY REVIEW 611 amperes at the stated voltage. Exciting c
. Electric railway review . rotected against severe water-hammer by a Lombard relief valve discharging in a linewith the entering penstock. The waterwheel governors aredriven by belts over the main shaft and are also controlledelectrically from one of the main switchboard panels. Each pair of wheels is direct connected, as shown inthe accompanying illustration, to one Allis-Chalmers-Bullock3-phase, 33-cycle, 10,000-volt generator, operating at 330 revo-lutions per minute, and having as its rated normal load 131 May 11, 1907. ELECTRIC RAILWAY REVIEW 611 amperes at the stated voltage. Exciting current for each The output of the generators, which is at 11,000 volts generator is furnished by a 120-volt, 625-ampere generator, potential, is taken through cables to busbar compartments with its armature mounted on an extension of the main gen- made of concrete. A portion of this structure is shown at erator shaft. The present building includes ample space and the rear of the switchboard. Here there are two sets of buses. Cazadero Station of the Portland Railway—Crest of Dam Across Clackamas River. L_
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectstreetr, bookyear1906
