. The Street railway journal . ALL AT CHELSEA CREEK GENERATING STATION, EAST END end bells of the individual feeders, is completely separatedfrom the others by either brick or stone barriers. Soap-stoneslabs are used for the oil-switch settings, molded stone andbrick being used entirely in the construction of the switch andbus-bar compartments and for all high-tension barriers. Small iron doors for inspection and maintenance are pro-vided in the construction of all bus-bar chambers opposite thebus-bar isolating switches and supports and for all potential ers, motor-operated generator rheostats
. The Street railway journal . ALL AT CHELSEA CREEK GENERATING STATION, EAST END end bells of the individual feeders, is completely separatedfrom the others by either brick or stone barriers. Soap-stoneslabs are used for the oil-switch settings, molded stone andbrick being used entirely in the construction of the switch andbus-bar compartments and for all high-tension barriers. Small iron doors for inspection and maintenance are pro-vided in the construction of all bus-bar chambers opposite thebus-bar isolating switches and supports and for all potential ers, motor-operated generator rheostats (Fig. 37) and auxil-iary switchboard (Fig. 36). INSTRUMENT AND CONTROL BOARDS The generator and feeder instrument and control panels(Fig. 34) are located in the center of the house on the middleswitchboard gallery, all high-tension switching and apparatusbeing controlled from this point. All the instrument and con-trol leads from the three galleries to these central controlling 1 39» STREET RAILWAY JOURNAL. [Vol. XXV. No. room floor. On each of the elevengenerator-instrument panels aremounted three a. c. ammeters, volt-meter, indicating wattmeter, integrat-ing wattmeter, power-factor meter andfield ammeter. The generator-con-trolling panels contain the necessarycontrolling switches for the generator,bus-junction and group oil switches,indicating lamps, field rheostat con-troller, field-discharge switch, enginegovernor-control switch, engine sig-nal, synchronizing plugs and recep-tacles. The combined instrument andcontrol board for the sixty-eight feed-ers is located immediately behind thegenerator board—the two boards fac-ing each other—four feeders beingcontrolled from each of the seventeenpanels comprising mis board. Thesepanels are equipped with one ammeter
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
