. Electric railway journal . the tramways. He would rather the tram-ways had been run by what they called the trusts. 3«5 ELECTRIC RAILWAY JOURNAL [Vol. XLI, No. 9. A Modern Power Network—the Waterbury-New Britain System* A Description of the Waterbury-New Britain Power Generating and Transmission System—A Combination of Three Hydro-electric and Two Steam-Electric Plants with a Total Output of 26,200 Kw—Energy Is Transmitted at 11,000 Voltsand 33,000 Volts to Be Converted at Substations for Use on Both and Circuits BY CHARLES RUFUS HARTE, ASSISTANT ENGINEER NEW YORK, NEW HAVEN & HA
. Electric railway journal . the tramways. He would rather the tram-ways had been run by what they called the trusts. 3«5 ELECTRIC RAILWAY JOURNAL [Vol. XLI, No. 9. A Modern Power Network—the Waterbury-New Britain System* A Description of the Waterbury-New Britain Power Generating and Transmission System—A Combination of Three Hydro-electric and Two Steam-Electric Plants with a Total Output of 26,200 Kw—Energy Is Transmitted at 11,000 Voltsand 33,000 Volts to Be Converted at Substations for Use on Both and Circuits BY CHARLES RUFUS HARTE, ASSISTANT ENGINEER NEW YORK, NEW HAVEN & HARTFORD RAILROAD The present-day practice of supplying electrical energyfor a large territory from a central station materially im-proves the efficiency of the service. On the other hand, theincreased seriousness of a breakdown at the center leadsthe well-conducted system into extensive insurances. Sparc-capacity is installed to the extent of one or more mainunits; piping and wiring are so arranged that the service. Connecticut Power—Interior of Bulls Bridge Station of any piece of apparatus can, in necessity, be taken up bythe other machines of the same class, and, where practi-cable, connections are made with similar plants in adjoin-ing territory. A system comprising all these methods ofprotection is that which supplies electrical energy to theWaterbury-New Britain district. BULLS BRIDGE HYDROELECTRIC PLANT The original plant is the hydroelectric development onthe Housatonic River at Bulls Bridge, just above Gaylords-ville. The head of a narrow gorge gives ideal conditions forthe low-arched concrete dam, while a low swale to the west-ward provides a large flood passage controlled by flash-boards on the crest of the concrete spillway. From thedam a canal skirts the hillside on the east side of the riverfor a distance of some 2 miles, ending in a large forebay. From the forebay the water is led to the station by asteel penstock 13 ft. in diameter to the first turbine c
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