Analytical prediction models for evaluating Pumps-as-Turbines (PaTs) performances
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The hydropower sector is moving to small-scale generation due to the exploitation of most water reservoirs with the aim to provide electrical energy in rural and remote zones. Pump-as-Turbines (PaTs) is one of the most interesting technology due to their use for recovering energy in different industrial applications. Several studies aimed to study the performances of the tested PaTs and to describe their performances curves. The efficiency of these machines at their Best Efficiency Point (BEP) is comparable with pump operation. In this work, a general analytical method for predicting PaTs performances in turbine mode was performed.