. Electric railway journal . INTERBOROUGH POWER PLANT—FIG. 1—VIEW OF SEVENTY-FOURTH STREET STATION For the present it involves principally the substitutionof three turbine generators for four engine gener-ators (see Figs. 4 and 5) ; the making over of one-half of the boiler plant opposite the turbines by re-placing Roney stokers with Taylor underfeed stokers,adding superheaters and removing the economizers;the partial replacement of motor-driven triplex, with. INTERBOROUGH POWER PLANT—FIG. 2—INTERIOR BEFOREALTERATIONS carrying all of the load except during the peaks whenthe remaining 7500-kw t
. Electric railway journal . INTERBOROUGH POWER PLANT—FIG. 1—VIEW OF SEVENTY-FOURTH STREET STATION For the present it involves principally the substitutionof three turbine generators for four engine gener-ators (see Figs. 4 and 5) ; the making over of one-half of the boiler plant opposite the turbines by re-placing Roney stokers with Taylor underfeed stokers,adding superheaters and removing the economizers;the partial replacement of motor-driven triplex, with. INTERBOROUGH POWER PLANT—FIG. 2—INTERIOR BEFOREALTERATIONS carrying all of the load except during the peaks whenthe remaining 7500-kw turbine and four reciprocatingengines are sometimes called upon for assistance. Oneunit, shown in Fig. 3, is finished complete, and thesecond is undergoing an exhaustive series of tests. Thefoundations for the third unit are under construction. The remodeling, which is being done with a view tothe ultimate installation of a total of eight 30,000-kwunits, is being carried on within the original building. turbine-driven centrifugal boiler-feed pumps, and thecomplete rearrangement of the electrical switchingsystem with the addition of current-limiting reactors. The Power Plant of 1901 The old power plant, built during 1901, was themodel steam power plant of that time. Its appearance This plant was fully described in the issue of the Street Rail-way Journal lor Jan. 5, 1901. Mi ■ HI
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