Steam turbines; a practical and theoretical treatise for engineers and students, including a discussion of the gas turbine . ting at 750 A tandem compound arrange-ment operating at 750 is shown in Fig. ii2e. In this lastdesign it will be observed that the high-pressure portion is ofthe ordinary single-flow arrangement while the low-pressureend is made double-flow. The combined unit is connected toa single 25,000-kilowatt generator. A cross-compound turbinearrangement, Fig. ii2f, with the high-pressure portion operatingat 1500 and connected to a 12,500-kilowatt generator is
Steam turbines; a practical and theoretical treatise for engineers and students, including a discussion of the gas turbine . ting at 750 A tandem compound arrange-ment operating at 750 is shown in Fig. ii2e. In this lastdesign it will be observed that the high-pressure portion is ofthe ordinary single-flow arrangement while the low-pressureend is made double-flow. The combined unit is connected toa single 25,000-kilowatt generator. A cross-compound turbinearrangement, Fig. ii2f, with the high-pressure portion operatingat 1500 and connected to a 12,500-kilowatt generator isshown here together with a low-pressure portion which is of thedouble-flow arrangement and operating at 750 The low- 2 24 THE STEAM TURBINE pressure portion is also connected to a 12,500-kilowatt figures show the comparison to scale of the arrangementsdescribed above. All of these designs would give very excellent economy, and thechoice of the unit would depend primarily on the two factors offirst cost and economy, assuming that in each case the relia-bility for continuous operations is the
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