Identifier: electricrailway451915newy (find matches)
Title: Electric railway journal
Year: 1908 (1900s)
Authors:
Subjects: Electric railroads
Publisher: (New York) McGraw Hill Pub. Co
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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3 The Chicago, Milwaukee & St. Paul Locomotives Among the Interesting Features of These New Electric Locomotives Are Large Motor Capacity with AxleMounted Motors, Regeneration on Down Grades and a Novel Method of Current Collection BY A. H. ARMSTRONG, ASSISTANT ENGINEER, RAILWAY AND TRACTION DEPARTMENT, GENERAL ELECTRIC COMPANY The flexibility in design and operation of the electriclocomotive afforded by the use of electric motors rendersthis type of motive power especially well suited to thehauling of trains, either high-speed passenger or slow-speed freight. In fact, the electric locomotive possessesinherent qualifications for haulage service that are be- the heavy demands that will be placed upon it underservice-operating conditions. The motors are woundfor 1500 volts and connected two in series for 3000 volts.The power axles are driven by twin gears, in this re-spect being similar to the drive on the Great Northern,Detroit Tunnel, B. & O. and Butte, Anaconda & Pacific,
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C, M. & ST. P. LOCOMOTIVE—VIEW OF COMPLETE UNIT OF WHICH TWENTY-ONE ARE NOW UNDER CONSTRUCTION. EACH LOCOMOTIVE HAS EIGHT MOTORS, TOTALING 3440 HP. coming more fully appreciated as constituting thefundamental reasons for bringing about the changefrom steam to electricity, and interest in any newprojected electrification therefore largely centers in thecharacteristics of the locomotives proposed. Work hasprogressed upon the Chicago, Milwaukee & St. Paullocomotives at the Schenectady and Erie works of theGeneral Electric Company to such an extent as to makeavailable certain facts as to construction and capacitythat are of especial interest owing to the magnitude ofthe problems involved in this extensive electrification. The general data applying to the St. Paul freightlocomotives are given in Table I on the next page. A very exhaustive series of tests has just been com-pleted upon the first sample motor built at Schenectady,and has demonstrated that it has ample capacity to me

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