. The Street railway journal . y converters, five of which are now in place. Thefoundation, floors and roof are of concrete, and the wallsare of brick trimmed in limestone. Window frames andsash are of metal, and the interior doors metal sheathed. Aview of the Lombard Street end is shown in Fig. 10. Area- the crane, which was furnished by Maris Brothers, Phila-delphia, and is of 25 tons capacity. Figs. 11 and 12 givegeneral views of the interior of this station. The general arrangement may be observed in Figs. 13 and14. All apparatus is on the main floor level. The under-ground high-tension fe
. The Street railway journal . y converters, five of which are now in place. Thefoundation, floors and roof are of concrete, and the wallsare of brick trimmed in limestone. Window frames andsash are of metal, and the interior doors metal sheathed. Aview of the Lombard Street end is shown in Fig. 10. Area- the crane, which was furnished by Maris Brothers, Phila-delphia, and is of 25 tons capacity. Figs. 11 and 12 givegeneral views of the interior of this station. The general arrangement may be observed in Figs. 13 and14. All apparatus is on the main floor level. The under-ground high-tension feeders enter the building through thebasement near the easterly wall and are carried up to theswitches placed on the floor above. They then drop to high- 778 STREET RAILWAY JOURNAL. [Vol. XXXL No. 19. tension buses in the basement. Leads from these buses arecarried through oil switches, and thence on the ceiling ofthe basement to the transformers, all high-tension leads be-ing kept separate by concrete barriers. Fig. 15 gives a. FIG. 19.—INTERIOR OF NEW PORTIONSUBSTATION OF NORTHERN building. From the d. c. switchboard, leads drop to thebasement and are carried out to the street in conduits. Thisarrangement, it may be seen, confines all the high-tensionapparatus to one side of the building and all low-tensionapparatus to the other side. Fig. 16 shows, on the right,the arrangement of the high-tension deltas from the busstructure to the transformers, and, on the left, the low-tension six-phase connections to the six rings of the con-verters. Fig. 17 shows, at the left, the continuation of thelow-tension wiring from the transformers to the rotary,and, on the right, the arrangement of the positive and nega-tive from the commutator of the rotary. Fig. 18 shows thepositive connections as carried through the wall to thedirect-current switchboard. It also shows the field rheostatsfor the rotaries. The busbar and switch structures are built of light-col-ored shale brick and concrete sl
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
