File:The Street railway journal (1903) (14572748707).jpg

Identifier: streetrailwayjo221903newy (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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LD STEAM CAR OF WIGAN CORPORATION engine similar to those which supply power to the alternators,except that a separate fly-wheel of 15 tons is used. The 250-kwgenerator is driven by vertical cross-compound engines, withcylinder dimensions 19 ins. and 30.3 ins. x 25.6 ins. This enginehas piston valves on the high-pressure cylinder and Corliss August 22, 1903.) STREET RAILWAY JOURNAL. valves on the low-pressure cylinder, and carries a 5-ton fly-wheel. Its guaranteed steam consumption is 25.5 lbs. of drysteam per hour with a steam pressure of 155 lbs. and a vacuumof 25 ins. In addition the station contains a 250-kw motor generator,operating at 300 r. p. m. The motor is a two-phase syn- Companys 30-hp-type, and fifty car equipments are at presentin use. The overhead line is particularly attractive and was built byR. W. Blackwell & Company, Ltd. The pole brackets are con-structed with wrought-iron ornamental scroll work, and arcfitted with JEtna insulation with flexible suspension. Two
Text Appearing After Image:
EXTERIOR OF POWER HOUSE AND CAR DEPOT AT ATHERTON chronous machine, which is worked directly at 7000 volts, whilethe direct-current generator to which it is connected can berun either as a shunt or a compound-wound machine. Thereis also a positive booster of 56 kw, two negative boosters of8 kw, a milking booster of 240 amps, and a 40-kw reversiblebooster for the storage battery. All of these machines aredriven by shunt-wound motors operating at 500 volts, and withthe equipment of the sub-stations were supplied by the samemanufacturers as in the case of the large generators. Theswitchboards in both the power station and sub-station weresupplied by Ferranti & Company, and rotary synchronizers ofEverett, Edgcumbe & Companys make are used throughout.The power station is served by an overhead traveling crane of35 tons capacity, which is operated by electricity. The boiler room contains four Lancashire boilers supplied byYates & Thorn, each being 8 ft. 6 ins. in diameter by 33 f

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