. The Street railway journal . FIG. 23.—DIRECT-CURRENT CONTACTOR—CIRCUIT-BREAKER SIDE by an independent relay governed by the master controller,which relay has a gravity position for d. c. operation, andon a. c. power its coils are energized by alternating the instant the leading car of a train passes from onesource of power to another, all the main switches through-out the entire train and the relays controlling the circuits of,the contactor coils are thrown, while the auxiliary circuits July 6, 1907.] STREET RAILWAY JOURNAL. 13 is a small cabinet attached to the above which contai
. The Street railway journal . FIG. 23.—DIRECT-CURRENT CONTACTOR—CIRCUIT-BREAKER SIDE by an independent relay governed by the master controller,which relay has a gravity position for d. c. operation, andon a. c. power its coils are energized by alternating the instant the leading car of a train passes from onesource of power to another, all the main switches through-out the entire train and the relays controlling the circuits of,the contactor coils are thrown, while the auxiliary circuits July 6, 1907.] STREET RAILWAY JOURNAL. 13 is a small cabinet attached to the above which contains allthe fuses for the auxiliary circuits. CAR BODIES The car bodies were built by the American Car Company,of St. Louis, Mo. They are of the interurban, double-endedtype provided with a vestibule at each end. Their over-all length is 56 ft., and each has a seating capacity of fifty-eight persons, the ordinary passenger compartments accom-. F1G. 24—PLAN OF CAR, SHEWING GENERAL ARRANGEMENT OF APPARATUS celeration is obtained by cuttingin more sections of the compen-sator. During a. c. running themotors are permanently connectedtwo pairs in series, while duringd. c. operation the motors arebrought partly up to speed whileconnected four in series and thenthrown into two pairs in wiring diagrams given in will show all the details of con-nections, together with the relativeposition of the different pieces ofapparatus one to another elec-trically. All the heavier pieces of appara-tus are situated under the car, andtheir location can be seen by re- fig. 26.—interurban car on THE ILLINOIS TRACTION SYSTEM faring to Figs. 24 and 25. equipped for a. c. operation of the rear cars, such as heating, lighting, etc., remain un-changed until the dead section is passed. Each car is pro-vided with two-wheel trolleys and a pantograph, which canbe used interchangeable if desired, although the pantographis primar
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
