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Small-Scale Hydropower Generation in Water Distribution Networks by Using Pumps as Turbines

1
Department of Civil, Architectural and Environmental Engineering, University of Naples Federico II, 80125 Naples, Italy
2
Department of Engineering, University of Sannio, 82100 Benevento, Italy
*
Author to whom correspondence should be addressed.
Presented at the 2nd International Research Conference on Sustainable Energy, Engineering, Materials and Environment (IRCSEEME), Mieres, Spain, 25–27 July 2018.
Proceedings 2018, 2(23), 1486; https://doi.org/10.3390/proceedings2231486
Published: 31 October 2018
In this work, a procedure for the optimal design of Pumps As Turbines in Water Distribution Networks was applied, aimed at both maximizing the hydropower generation and exploiting the excess pressure. The design of the main characteristic PAT parameters, namely the flow rate and the head drop at Best Efficiency Point, the rotational speed and the impeller’s diameter was assessed, under the hypothesis of applying the Electrical Regulation. The procedure allowed to estimate both the produced power and the exploited head at any simulated time-step, as well as the overall daily energy, in compliance with the hydraulic and technical constraints of the system. The model was tested on a simplified Water Distribution Network and a preliminary Cost-Benefit analysis was performed, showing interesting reliefs against short Payback Period.
Keywords: Pump As Turbine; Water Distribution Network; hydro energy; optimal selection; cost-benefit analysis; renewable energy Pump As Turbine; Water Distribution Network; hydro energy; optimal selection; cost-benefit analysis; renewable energy
MDPI and ACS Style

Pugliese, F.; Paola, F.D.; Fontana, N.; Marini, G.; Giugni, M. Small-Scale Hydropower Generation in Water Distribution Networks by Using Pumps as Turbines. Proceedings 2018, 2, 1486.

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