. The Street railway journal . FIG. 20.—COAL BUNKERS IN PROCESS OF ERECTION arranged for distributing power to eighty-nine three-phase,220-volt and twelve d. c, 125-volt motors, aggregating about1900 hp, to the 93 type-H oil-switch motors, and for stationlighting and miscellaneous purposes. The exciter panels are. FIG. 25.—GENERAL VIEW OF 5500-KW TURBO-ALTERNATORS ANDCHELSEA GENERATING STATION single pole, the positive bus only being mounted on thesepanels. The negative bus runs direct from the exciters to thegenerator fields, and this polarity, together with the equalizer,is controlled by swi
. The Street railway journal . FIG. 20.—COAL BUNKERS IN PROCESS OF ERECTION arranged for distributing power to eighty-nine three-phase,220-volt and twelve d. c, 125-volt motors, aggregating about1900 hp, to the 93 type-H oil-switch motors, and for stationlighting and miscellaneous purposes. The exciter panels are. FIG. 25.—GENERAL VIEW OF 5500-KW TURBO-ALTERNATORS ANDCHELSEA GENERATING STATION single pole, the positive bus only being mounted on thesepanels. The negative bus runs direct from the exciters to thegenerator fields, and this polarity, together with the equalizer,is controlled by switches mounted on pedestals adjacent to themachines. The exciter bus is sectionalized into two parts, so ■FIG. OF 3500-KW TURBO-ALTERNATOR for each bank—and three transformer panels for controllingthe supply of low-tension current to the a. c. bus-bars. Thecontrolling switches for the three individual oil switches sup-plying power to these transformers are mounted on these panels. The 220-volt a. are located underthe gallery floor, immediate-ly below the panels, and arelikewise sectionalized intotwo parts. The low-tensionconnections are so arrangedthat one bank of transform-ers normally feeds each ballof this bus, while the thirdbank can be connected toeither or both sections a
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
