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Transformation of the Downstream Riverbed and Its Impact on the Operating Conditions of Hydroelectric Power Plants and Other Hydraulic Structures
The transformation of riverbeds and reduction in water levels downstream of a number of hydroelectric power plants (HPP) are discussed. The influence of this process on the operating conditions and stability of hydraulic structures, conditions for dissipation of discharge energy, and headwater-tailwater connection downstream of the spillway structures is assessed. The effect of decrease in the tailwater level on the hydropower performance of HPPs is shown: increase of navigational discharges into the tailwater and reduction of the share of HPPs in peak power generation, while increasing annual power generation. The influence of an increase in the draft head of hydraulic turbines caused by a decrease in the tailwater level on their operating efficiency is considered.
Transformation of the Downstream Riverbed and Its Impact on the Operating Conditions of Hydroelectric Power Plants and Other Hydraulic Structures
The transformation of riverbeds and reduction in water levels downstream of a number of hydroelectric power plants (HPP) are discussed. The influence of this process on the operating conditions and stability of hydraulic structures, conditions for dissipation of discharge energy, and headwater-tailwater connection downstream of the spillway structures is assessed. The effect of decrease in the tailwater level on the hydropower performance of HPPs is shown: increase of navigational discharges into the tailwater and reduction of the share of HPPs in peak power generation, while increasing annual power generation. The influence of an increase in the draft head of hydraulic turbines caused by a decrease in the tailwater level on their operating efficiency is considered.
Transformation of the Downstream Riverbed and Its Impact on the Operating Conditions of Hydroelectric Power Plants and Other Hydraulic Structures
Power Technol Eng
Veksler, A. B. (author)
Power Technology and Engineering ; 55 ; 801-809
2022-03-01
9 pages
Article (Journal)
Electronic Resource
English
tailwater , riverbed transformation , decrease in water level , headwater-tailwater connection , energy dissipation , stability of structures , draft head , power generation Energy , Energy Systems , Power Electronics, Electrical Machines and Networks , Renewable and Green Energy , Geoengineering, Foundations, Hydraulics
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