Scheme for Expansion of the 22nd Congress of the CPSU Volga Hydroelectric Plant I. N. Voronkin R. S. Gal'perin From the Editors. One of the most significant changes in the hydropower field in recent years is the change in the role of hydroelectric plants in power systems. Formerly, on an equal footing with thermoelectric plants, hydroelectric plants were everywhere sources of energy supply to consumers, but at the present time the situation has changed in many regions. The development of transmission line systems connecting the large-scale electrical producers and consumers and the orientation of electric energy production toward large nuclear and unit-type ther-moelectric plants of low operating flexibility, and with low effectiveness when operating in the load regulation regime, make it necessary to consider hydroelectric plants primarily as sources of peaking power. Along with pumped-storage plants, existing hydroelectric plants can be used in many cases as peaking sources by installing additional units. In publishing I. N. Voronkin and R. S. Gal'perin's article, the editors of this journal wish to draw the technical circles'attention to the problem of expanding existing hydroelectric plants, to the search for effective methods of reconstructing hydraulic developments, and modernizing their equipment, in order to determine those hydropower installations which it is technically and economically expedient to expand.
Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 2, pp. 31–32, February, 1975.
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