Hydropower Potential inWater Distribution Networks: Pressure Control by PATs

Costanza Arico', Riccardo Martino, Helena M. Ramos, Oreste Fecarotta, Armando Carravetta, Riccardo Martino

Risultato della ricerca: Articlepeer review

82 Citazioni (Scopus)


Pressure control is one of the main techniques to control leakages in Water Distribution Networks (WDNs) and to prevent pipe damage, improving the delivery standards of a water supply systems. Pressure reducing stations (PRSs) equipped by either pressure reducing valves or motor driven regulating valves are commonly used to dissipate excess hydraulic head in WDNs. An integrated new technical solution with economic and system flexibility benefits is presented which replaces PRSs with pumps used as turbines (PATs). Optimal PAT performance is obtained by a Variable Operating Strategy (VOS), recently developed for the design of small hydropower plants on the basis of valve time operation, and net return determined by both energy production and savings through minimizing leakage. The literature values of both leakages costs and energy tariffs are used to develop a buisness plan model and evaluate the economic benefit of small hydropower plants equipped with PATs. The study shows that the hydropower installation produces interesting economic benefits, even in presence of small available power, that could encourage the leakage reduction even if water savings are not economically relevant, with consequent environmental benefits.
Lingua originaleEnglish
pagine (da-a)699-714
Numero di pagine16
RivistaWater Resources Management
Stato di pubblicazionePublished - 2015

All Science Journal Classification (ASJC) codes

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