File:Electric railway journal (1917) (14574658957).jpg

Identifier: electricrailway491917newy (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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talled at frogs in the contact system tokeep pantographs from catching in the diverging wires)work loose and have to be brought up to line, because ifthey are allowed to hang down sufficiently an oppor-tunity is afforded for pantographs to catch in them andget torn off. It should be said here that the line isreally under inspection at all times by the train crews,who report any defects that they observe in the over-head construction during their trips over the road. In addition to the monthly inspection as outlinedabove a semi-monthly examination is given to the sys-tem by the foreman of the line crew. For the contactwiring, this semi-monthly inspection is made from theplatform of the previously-mentioned gasoline line carand is carried out at night when power can be shut offfrom various sections of the line as desired. Repairsare made at this time also, and it is seldom necessaryunder the new arrangement to have the line and crew onthe road at other times. The semi-monthly inspection
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V7?STCHESTER LINE MAINTENANCE EXPERIMENTAL SECTION OP SINGLE CATENARY CONSTRUCTION 474 ELECTRIC RAILWAY JOURNAL (Vol. XLIX, No. 11 TABLE I—CAUSES OF INTERRUPTIONS OF POWER DISTRIBUTION EXCLUSIVE OF FAILURES AT SOURCE OF SUPPLY —NEW YORK, WESTCHESTER & BOSTON RAILWAY 1915 1916 1916 1917 Cause of Interruption Broken pantograph 1 2 1 Short or ground on car 2 . . 1 Section break bridged by car 2 2 Trolley insulator grounds 1 5 Feeder insulator grounds 1 1 1 Foreign material across cables Shorts caused by birds 1 Cause unknown 1 . . 1 Lightning *1 Miscellaneous 1 . . 1 1124113*11 *1 o z i *4 *1 *4 M ■ <1*4 25 Pi Q) 01 1 5 ♦Includes series of similar interruptions on a single day, this being counted as on? interruption,flncludes shorts between car roof and pantograph that were caused by birds. JOf interruptions traced d.rectly to lightning, roughly one-half affected feeders only. One-fourth of the number affected the contactsystem only. The remainder affected the three-phase

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