4.1 Article

Evaluation of performance and environmental benefits of a full-scale pump as turbine system in Antalya water distribution network

期刊

WATER SCIENCE AND TECHNOLOGY-WATER SUPPLY
卷 18, 期 1, 页码 130-141

出版社

IWA PUBLISHING
DOI: 10.2166/ws.2017.087

关键词

energy production; environmental benefits; pressure reduction; pump as turbine (PAT); water distribution network; water losses

资金

  1. Scientific and Technological Research Council of Turkey [114Y203]
  2. Antalya Water and Wastewater Administration (ASAT) of Antalya Metropolitan Municipality
  3. ALDAS Company in Antalya
  4. Standart Pump and Mechanics Company in Istanbul
  5. Akdeniz University in Antalya, Turkey

向作者/读者索取更多资源

In recent years, pumps used in turbine mode (pump as turbine, PAT) have started to appear as a viable option to reduce pressure in water distribution networks in addition to energy production at micro scale. In this study, evaluation of performance of a recently installed PAT system in Antalya City, Turkey, is presented for the first operational period of approximately 5 months. This full-scale PAT system was implemented in a parallel pipeline with a pressure reducing valve. The operation of the installed PAT system was continuously monitored online for flow rate, power and pressure. The installed PAT system, being in operation since 26 January 2016, works efficiently in a wide range of inflows (130-300 m(3)/h) and the produced energy varies between 0.7 and 8.4 kWh for a reduction of approximately one bar pressure head with an average efficiency of 60%. Based on the initial 5 months of operational data, environmental benefits of green energy production, reduction in physical water losses and carbon dioxide emissions were evaluated. Based on the implementation cost of the PAT system and the revenues from the environmental benefits, payback period of this specific fullscale PAT application was computed as 53 days or 1.8 months.

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