. The street railway review . and furnish the car motors with prac-tically a constant voltage, besides improving Ihe load factor of thesystem, and the efficiency of the apparatus, we sec that we havelessened the depreciation charges of the above-named items, all ofwhich can Ik credited toward lowering Ihe depreciation charge ofthe battery. If a battery is planned for in the original design of a railwayits cost will approximalely equal the amount nf generating, Irans-mission and distribuling which it supplants. The advantages to be gained by the use <if a battery other thanthe po
. The street railway review . and furnish the car motors with prac-tically a constant voltage, besides improving Ihe load factor of thesystem, and the efficiency of the apparatus, we sec that we havelessened the depreciation charges of the above-named items, all ofwhich can Ik credited toward lowering Ihe depreciation charge ofthe battery. If a battery is planned for in the original design of a railwayits cost will approximalely equal the amount nf generating, Irans-mission and distribuling which it supplants. The advantages to be gained by the use <if a battery other thanthe possibility of doing a lighting business from a railway sub-sta-tion, as spoken of earlier, are quite numerous. The power station ,X T 2 IOO-^3C^^«„i,,,C^ ^-.«;-=^ £ en L), jl (h L ct- ^° nrARk II II II t ] 1 ■ 1 1 l^soo- i^ 1 5,-0^ <;uRUW 1 IT *4^ ^5 °° * .«^- t t S: saXi It 4 - E 50-J f (rj^y t < 0 V 34 ^4 \ 4 \ -l^. at t I * ^\,^^^«a ^ so ^ S -1 ^7 x^xj^^ /, ... 1 ± u Z<. 3 4^ 5MINUTES FIG. 6. generating apparatus is called upon to deliver only a constantload, see Fig. 6; hence we see a large gain in boiler, engine andgenerator economy, because the plant is working at its most econom-ical load point at all times. The same holds true for the trans-mission and sub-station apparatus. Still another fact, which wouldin many instances alone warrant the use of a battery, is the assuredreliability of operation; for example, in case of a breakdown inthe power-house machinery or transmission line, current will stillbe available from the battery for some time. The attendance re-quired is but little. These and many other good qualities shouldbe sufficient argument for insuring a careful study of the batteryquestion before completing the design of any road. .\11 the details of a sub-station should be made as simple andfool-proof as possible, thus insuring better operation with the sameclass of help as though the sub-station were equipped with manyfancy devices.
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
