. Electrical world. nt boilers. For example, if a tube is blown out, thisboiler is immediately cut out from the others so there will be nointerruption to the plant by other boilers losing their steam andwater. The generating equipment is driven mainly by Hills systemof pulleys from line shafting, and consists partly of direct constant-current arc dynamos, partly of 500-volt railway and power gen- OSj ELECTRICAL WORLD and ENGINEER. Vol. XLIII, No. 15. erators, and partly of 60-cycIe, 1,150-voU, three-phase the i,soo-k\v turbo-generator was installed, a series alternat-ing-curre
. Electrical world. nt boilers. For example, if a tube is blown out, thisboiler is immediately cut out from the others so there will be nointerruption to the plant by other boilers losing their steam andwater. The generating equipment is driven mainly by Hills systemof pulleys from line shafting, and consists partly of direct constant-current arc dynamos, partly of 500-volt railway and power gen- OSj ELECTRICAL WORLD and ENGINEER. Vol. XLIII, No. 15. erators, and partly of 60-cycIe, 1,150-voU, three-phase the i,soo-k\v turbo-generator was installed, a series alternat-ing-current arc system has been planned to do away entirely withthe direct-current arc dynamos. Direct current at 550 volts is sold for the operation of the streetrailway system and for commercial power within one mile radius ofthe plant. For factories situated some distance from the power housein a factory district called South Park, power is transmitted at10,000 volts, which is stepped down by transformers to 230 volts for. J.—oEXEK.\I. VIEW OF PORT HURON ^NT. the operation of three-phase induction motors. . different locali-ties on the transmission line are four brick transformerhouses, in which the step-down transformers are installed as well aslightning arresters, and marble primary and secondary three-phase generatoi s in the station are all wound for a voltageof 1,150, which is that of the primary distributing system of thegeneral lighting and power business of the city. The lighting sec-ondaries are 115-volt. For street lighting and commercial arc light-ing, the series enclosed arc has been accommodate the new turbine unit, an entirely new portion of RIVER and new portion of the plant as long as the load is not too this plan the turbo-generator operates certain three-phase gen-erators as synchronous motors in the old plant, which motors, inturn, drive through a line shaft the necessary direct-current machine
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883
