Pump as Turbine for the Energy Recovery in a Water Distribution Network: Two Italian (Apulian) Case Studies

Balacco, Gabriella; Binetti, Mario; Capurso, Tommaso; Stefanizzi, Michele; Torresi, Marco; Piccinni, Alberto Ferruccio

doi:10.3390/environsciproc2020002001

Cited by 3 publications

(2 citation statements)

References 19 publications

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“…A technical overview of the design and the outcomes of a first-of-its-kind Pumped Hydro Energy Storage (PHES) micro facility Froyennes, Belgium Morabito (2019) [35] Experimental activity to select pumps running as turbines in micro-hydro plants Cosenza, Italy Barbarelli (2017) [36] Energy recovery from replacing PRVs with MHPs in the WDN Tehran, Iran Hamlehdar (2022) [37] Determines the potential of the water supply and effluent treatment system for generating electricity Pato Branco, Brazil Da Silva BLA (2011) [38] Control pressure within a district of Naples water distribution network, showing large potential revenues of PATs Napoli, Italy Giugni M. (2009) [39] Telemetry data from control valves and pressure-reducing valves within the Dublin city water supply network are analyzed to identify suitable locations for energy recovery Dublin, Ireland Corcoran L. (2012) [40] Identifying Hydropower Potential of Alpine Regions Carinthia, Austria M. Möderl (2012) [41] Economic feasibility analysis of substituting existing pressure reduction valves (PRVs) with pumps used as turbines (PaTs) in two real Italian water distribution networks (WDN) Murgia-Central Apulia, Italy Balacco (2020) [42] Proposes an energy sustainability score for benchmarking WDNs Kolkata, India Zaman (2021) [43] influence of the leakages in energy recovery systems at irrigation networks Vallada. Spain Carlos Andrés Macías Ávila (2021) [44] Proposes a framework for WDN by reconfiguring the original network layout into (dynamic) district metered areas Parete, Italy Giudicianni (2020) [45] Real-Time Control of Pressure and Hydropower Generation Benevento, Italy Fontana (2018) [46] Genetic algorithm to optimize the regulation of PAT settings.…”

Section: Subject Case Study Location Referencementioning

confidence: 99%

Smart Hydropower Water Distribution Networks, Use of Artificial Intelligence Methods and Metaheuristic Algorithms to Generate Energy from Existing Water Supply Networks

Karakatsanis

Theodossiou

2022

Energies

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In this paper, the possibility of installing small hydraulic turbines in existing water-supply networks, which exploit the daily pressure fluctuations in order to produce energy, is examined. For this purpose, a network of five pressure sensors is developed, which is connected to an artificial intelligence system in order to predict the daily pressure values of all nodes of the network. The sensors are placed at the critical nodes of the network. The locations of the critical nodes are implemented by applying graph theory algorithms to the water distribution network. EPANET software is used to generate the artificial intelligence training data with an appropriate external call from a Python script. Then, an improvement model is implemented using the Harmony Search Algorithm in order to calculate the daily pressure program, which can be allocated to the turbines and, consequently, the maximum energy production. The proposed methodology is applied to a benchmark water supply network and the results are presented.

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Section: Subject Case Study Location Referencementioning

confidence: 99%

Smart Hydropower Water Distribution Networks, Use of Artificial Intelligence Methods and Metaheuristic Algorithms to Generate Energy from Existing Water Supply Networks

Karakatsanis

Theodossiou

2022

Energies

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“…On the other hand, PATs have suffered from a lack of performance information provided by the manufacturers, who do not usually test their machines in reverse mode [46]. Many researchers have tried different PAT efficiency prediction methods in vain, as their predicted results never got validated through experimentation (±20% errors) and could not cover the wide range of possible pump operating conditions when working in reverse mode [47].…”

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Experimental Outdoor Public Lighting Installation Powered by a Hydraulic Turbine Installed in the Municipal Water Supply Network

Ocana-Miguel

Calderón

Díaz

2022

Water

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Sustainability and energy prices make the use of energy obtained from renewable sources on an urban scale and for isolated local facilities necessary for municipal authorities. Moreover, when the demand of energy is at night, as for street lighting installations, the use of accumulative systems is necessary, which means a major drawback due to a short lifetime expectancy and high cost. The use of batteries can require more than 70% of the budget of these lighting systems and has a critical impact in the project. The problem to solve is finding different renewable energy sources that can produce energy throughout the day, especially during the night, at the same time at which it is consumed. As one of the competences of municipal authorities is water supply networks, this paper analyzes the use of energy recovery turbines within these installations as an alternative to photovoltaic generators. To study the viability and effectiveness of this alternative, the water flows available in the network of a medium-size municipality were monitored and analyzed in depth to assess the amount of recoverable energy. In addition, an energy recovery turbine (ERT) station was set up, installing a bypass around one of the pressure-reducing valves (PRV) of the installation where energy is dissipated without practical use. The results obtained imply that the system proposed has economical and technical viability, is reliable and guarantees full service in all the seasons’ conditions. Moreover, the needs of the energy storage capacity are much lower (~8%) than with solar panels.

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Análise do aproveitamento energético em redes de distribuição de água com a utilização de bombas como turbina (BFT)

Barbosa da Silva,

Hiroyuki Ishihara,

Luna Baia Viana

et al. 2023

Revista DAE

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As redes de distribuição de água (RDAs) necessitam de pressão adequada para entregar água aos usuários. Em alguns casos, a pressão é excessiva e geralmente é dissipada por válvulas redutoras de pressão (VRP), que acabam desperdiçando essa energia contida na rede. Devido à necessidade mundial de buscar tecnologias de geração de energia renovável, pesquisadores estudaram a possibilidade de substituir essas VRPs por bomba funcionando como turbinas (BFT). Trata-se de uma bomba centrífuga operando inversamente em substituição VRP. Como as RDAs operam sob condições variáveis de vazão e pressão, a predição de BFTs ainda encontra dificuldades, o que prejudica seu controle efetivo da pressão quando substituem as VRPs. Esse trabalho analisa uma rede real com problemas na gestão das pressões. Localização distintas de VRPs para controlar a pressão da rede foram propostas em duas simulações hidráulicas. As VRPs foram substituídas por BFTs e foi avaliado qual configuração apresenta maior controle de pressão de abastecimento. A predição dessas máquinas foi realizada por um método conjunto que analisa toda a faixa de operação. Além disso, foram estimadas a quantidade de energia recuperada e as vantagens ambientais. Os resultados apontam o controle da pressão nas duas simulações (S1 e S2). Em S1, a pressão no Nó mais crítico foi reduzida em 42,80% e a recuperação de energia foi de 52 kWh/dia. Em S2, a pressão foi reduzida em 45,21% e a recuperação de energia foi de 190,96 kWh/dia; além de controlar melhor a pressão, os resultados de recuperação de energia foram 267% superiores a S1. O método conjunto, proposto na pesquisa, simplificou o processo de seleção e predição de BFT, e foi possível concluir que essas máquinas devem ser instaladas em paralelo com as VRPs, considerando que, quando as BFTs não podem ajustar a pressão em algumas horas do dia, as válvulas ajustam. Palavras-chave: Rede de distribuição de água. Predição de bomba como turbina. Controle da pressão. Recuperação de energia.

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Pump as Turbine for the Energy Recovery in a Water Distribution Network: Two Italian (Apulian) Case Studies

Cited by 3 publications

References 19 publications

Smart Hydropower Water Distribution Networks, Use of Artificial Intelligence Methods and Metaheuristic Algorithms to Generate Energy from Existing Water Supply Networks

Smart Hydropower Water Distribution Networks, Use of Artificial Intelligence Methods and Metaheuristic Algorithms to Generate Energy from Existing Water Supply Networks

Experimental Outdoor Public Lighting Installation Powered by a Hydraulic Turbine Installed in the Municipal Water Supply Network

Análise do aproveitamento energético em redes de distribuição de água com a utilização de bombas como turbina (BFT)

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