. American engineer and railroad journal . ata. The board was built by the H. KrantzManufacturing Company; it is 7Ms ft. high by 32 ft. 8 The four panels at the left end of the switchboard containthe necessary apparatus for controlling the generating units,one being used for each machine. The fifth panel contains \Ur, 1904. AMERICAN ENGINEER AND RAILROAD JOURNAL. the indlcaUng and recording ammeters aud other apparatusfor a total load panel. The remaining 13 panels are lor thedistribution circuits as follows: Panels 6, 7, 8 and 9 controltour principal power circuits, which deliver cu
. American engineer and railroad journal . ata. The board was built by the H. KrantzManufacturing Company; it is 7Ms ft. high by 32 ft. 8 The four panels at the left end of the switchboard containthe necessary apparatus for controlling the generating units,one being used for each machine. The fifth panel contains \Ur, 1904. AMERICAN ENGINEER AND RAILROAD JOURNAL. the indlcaUng and recording ammeters aud other apparatusfor a total load panel. The remaining 13 panels are lor thedistribution circuits as follows: Panels 6, 7, 8 and 9 controltour principal power circuits, which deliver current to theconstant speed motors and to the incandescent light circuitsthe tenth panel being held in reserve for extensions. Panels11, 12 and 13 are used for the arc lighting system, the eleventhbeing used to control the circuits for the arc-light systembalancer unit. The remaining panels are devoted to the mul-tiple voltage circuits; pann u is the power-controlling panelfor tin- multiple-voltage, varlable-apeed motors; the following 173. DUPLICATE BALAJTOMM FOE THE M ULTIPLE-VOLTAGE SYSTEM AM,SMALL COMPENSATING BALANCER FOR THEABC LIGHTING SYSTEM. three panels control the Crocker-Wheeler balancer units forthis system, and the last panel controls the 4-wire multiplevoltage feeders. In the illustration which shows the beautiful marble pres-sure-gauge board in the engine room, may also be seen two ofthe three-unit rotary transformers, which are used as balancersfor the 4-wire multiple-voltage distribution system. As is
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
