File:The Street railway journal (1906) (14575016837).jpg

Identifier:streetrailwayj281906newy (find matches)
Title: The Street railway journal
Year: 1884 (1880s)
Authors:
Subjects: Street-railroads Electric railroads Transportation
Publisher: New York : McGraw Pub. Co.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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lungers completetheir stroke without rebounding there is no indication. Thecompartments are of buff-colored brick and the barriers be-tween phases are of soapstone. Two of the sub-stations are equipped with single-phase, 550-kw transformers to supply the 1500-kw rotaries, whereas thestations with the 1000-kw rotaries have 375-kw transformers.These have a normal ratio of 11,000 volts to 460 volts, andare provided with extra taps for varying the voltage according safe in action to a degree hitherto unknown with this type ofapparatus. A spare panel and auxiliary bus are provided, towhich any feeder or machine may be connected pending re-pairs on its proper panel. All connections are made withcopper bars, thereby insuring a neat and effective construc-tion. The positive feeders after leaving the switchboards areprovided with end bells, which terminate the lead sheathingof the cables run out to the third rail in underground ducts.The negative leads from the rotaries run through the founda-
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