The Street railway journal (1902) (14574544810)

Identifier: streetrailwayjo201902newy (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



Text Appearing Before Image:
Two figure 8 trolley wires areused. All poles are numbered with miles andtenths of miles from Detroit, which proves agreat convenience in many wavs. The exactlocation of track or line defects can be re-ported by motormen, and it saves the taking ofmeasurements for distances in planning newwork or making tests of various kinds. INTERURBAN POWER DISTRIBUTION While the system of the Detroit UnitedRailway, taken as a whole, offers splen-did opportunities for a comprehensive sys-tem of alternating current high-tension dis-tribution with sub-stations for supplyingand interurban lines, no such comprehen-sive system has yet been begun, since it is but re-cently that the four interurban divisions were broughtunder the same ownership. The power distribution istherefore by a somewhat temporary patchwork of directcurrent and alternating current. The accompanyingmap shows the present arrangement of power supply. s>tH*i RjjouriialINTERURBAN both city 464 STREET RAILWAY JOURNAL. (Vol. XX. No. 14.
Text Appearing After Image:
October 4, 1902.) STREET RAILWAY JOURNAL. 465 On the Orchard Lake division running to Farmington,Northville and Orchard Lake the power distribution is allby direct current with boosters from a power house atFarmington Junction. On the Pontiac division the distri-bution is all by direct current from a power house at Birm-ingham. On the Flint division, running from Royal OakJunction to Rochester, Romeo, Lake Orion and Flint, thereis a direct-current power house, at Rochester, which, withthe aid of a booster, feeds south 14.6 miles towards Detroitas far as Royal Oak, and also to Romeo and toward LakeOrion. In the power house at Rochester there is an in-verted rotary converter run as a motor from the direct-current bus-bars of the station. This is a Stanley machineof 250-kw rated capacity, but is being run regularly to tideover present emergencies at 100per cent, without going aboveits heating or sparkless commu-tation limit. This convertergives alternating current at 360volts three-phase