Conclusions
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1.
The layout of the powerhouse of a PSS in drop shafts with a nonstandard waterway of the pump-turbine with a specific speed of 220 for heads up to 100 m are comparable in their hydraulic, energy, and dynamic characteristics to a standardized waterway, which enables recommending it for use in designs of medium-head PSSs.
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2.
The use of drop shafts when constructing a PSS on soft ground provides substantial technical-economic advantages of such a variant of the layout of the hydro development.
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Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 5, pp. 16–20, May, 1989.
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Ageev, S.G., Ivanov, I.I., Sarkisova, M.F. et al. Selection of the layout of the powerhouse of a pumped-storage station in a drop shaft. Hydrotechnical Construction 23, 248–254 (1989). https://doi.org/10.1007/BF01436160
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DOI: https://doi.org/10.1007/BF01436160