Conclusions
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1.
The possibility of constructing hydroelectric stations with heads up to 40 m on soft ground was proved by the construction of the Plyavin'sk station.
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2.
The block-type powerhouse is economical with respect to investments and provides normal operation of the main and auxiliary water-power equipment.
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3.
The Plyavin'sk station is justifying the power functions imposed on it: participation in coverage of the peaks of the load schedule, regulation of the load deviations, and emergency and frequency reserve of the Northwest grid system.
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4.
The Francis turbines regulate the active load of the station by the number of units turned on.
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Literature Cited
G. V. Rubinshtein and G. B. Sandomirskii, “Scheme of utilization of the Daugava River,” Gidrotekh. Stroitel'., No. 12 (1963).
K. K. Ketner and Yu. Ya. Mazur, “Operating conditions of the hydroelectric stations of the Daugava sequence,” Gidrotekh. Stroitel'., No. 3 (1968).
G. V. Rubinshtein and G. B. Sandormirskii, “The Plyavin'sk hydroelectric station on the Daugava River,” Gidrotekh. Stroitel'., No. 3 (1968).
K. K. Kostin, “Hydraulic generators for the Plyavin'sk hydroelectric station,” Élektrotekhnika, No. 10 (1967).
V. G. Ivanov, “Damming the Daugava at the site of the Plyavin'sk hydroelectric station,” Gidrotekh. Stroitel'., No. 1 (1965).
V. K. Razumov, “Lowering of the water in fine-grained sandstones at the construction of the Plyavin'sk hydroelectric station,” Gidrotekh. Stroitel'., No. 8 (1963).
Additional information
Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 2, pp. 1–6, February, 1970.
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Taukach, A.D. V. I. Lenin Plyavin'sk hydroelectric station in the Latvian SSR and its operation. Hydrotechnical Construction 4, 101–108 (1970). https://doi.org/10.1007/BF02377228
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DOI: https://doi.org/10.1007/BF02377228