. The Street railway journal . of this must go to waste;and it follows that in addition to the losses due to the reducedefficiency of the prime movers at light loads, the percentage ofloss in the auxiliaries will increase very rapidly as the load upon themain engine decreases, and the best economy of the entire plant willbe obtained only when the engines are operated at or slightly abovetheir rated capacity. The writer has before him the operating statistics of two railwaypower stations, a comparison of which illustrates the importanceof proper attention to this subject. For convenience they w


. The Street railway journal . of this must go to waste;and it follows that in addition to the losses due to the reducedefficiency of the prime movers at light loads, the percentage ofloss in the auxiliaries will increase very rapidly as the load upon themain engine decreases, and the best economy of the entire plant willbe obtained only when the engines are operated at or slightly abovetheir rated capacity. The writer has before him the operating statistics of two railwaypower stations, a comparison of which illustrates the importanceof proper attention to this subject. For convenience they will bereferred to as Station A and Station B. Both stations furnishpower for suburban railways upon which sufficient cars are run toprovide a fairly uniform load during the greater part of the day,although subject to more or less violent temporary general designs of these stations and their equipments are suchthat the fuel used per kilowatt-hour should be practically the same, HHH 1 1 OSS nnn 1 1 Qgg-Qgg L □.


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884