Instabilities and influence of geometric parameters on the efficiency of a pump operated as a turbine for micro hydro power generation: A review

Compared to a traditional turbine (Kaplan, Francis, Pelton), pumps operated as turbine are a good alternative for micro hydroelectric power plants thanks to their low cost and easy availability. This paper presents a review of the most challenging aspects of the pump as turbine: prediction and impro...

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Autores principales:	Jonathan Graciano-Uribe, Jorge Sierra, Edwar Torres-Lopez
Formato:	article
Lenguaje:	EN
Publicado:	SDEWES Centre 2021
Materias:	pump as turbine micro hydropower plant geometric modifications performance. Technology T Economic growth, development, planning HD72-88
Acceso en línea:	https://doaj.org/article/bbd17622f89c4f47ae64b0bdc4f51839
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spelling	oai:doaj.org-article:bbd17622f89c4f47ae64b0bdc4f518392021-11-20T09:32:58ZInstabilities and influence of geometric parameters on the efficiency of a pump operated as a turbine for micro hydro power generation: A review1848-925710.13044/j.sdewes.d8.0321https://doaj.org/article/bbd17622f89c4f47ae64b0bdc4f518392021-12-01T00:00:00Z http://www.sdewes.org/jsdewes/pid8.0321 https://doaj.org/toc/1848-9257Compared to a traditional turbine (Kaplan, Francis, Pelton), pumps operated as turbine are a good alternative for micro hydroelectric power plants thanks to their low cost and easy availability. This paper presents a review of the most challenging aspects of the pump as turbine: prediction and improvement in turbine mode. First, an explanation of the theory of the pump as turbine focused on the functioning, types of pumps, selection criteria and performance predictions as shown in the literature, giving also methodologies and details on the pump as turbine selection. Afterwards, the literature shows the instabilities produced by the operation of the pumps on inverse mode, which generates S-shape curves and cavitation. Finally, as the main focus of this paper, aspects of efficiency produced by geometric parameters were discussed. Current trends and future scope for further improvement and implementation of pump as turbine are also discussed.Jonathan Graciano-UribeJorge SierraEdwar Torres-LopezSDEWES Centrearticlepump as turbinemicro hydropower plantgeometric modificationsperformance.TechnologyTEconomic growth, development, planningHD72-88ENJournal of Sustainable Development of Energy, Water and Environment Systems, Vol 9, Iss 4, Pp 1-23 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	pump as turbine micro hydropower plant geometric modifications performance. Technology T Economic growth, development, planning HD72-88
spellingShingle	pump as turbine micro hydropower plant geometric modifications performance. Technology T Economic growth, development, planning HD72-88 Jonathan Graciano-Uribe Jorge Sierra Edwar Torres-Lopez Instabilities and influence of geometric parameters on the efficiency of a pump operated as a turbine for micro hydro power generation: A review
description	Compared to a traditional turbine (Kaplan, Francis, Pelton), pumps operated as turbine are a good alternative for micro hydroelectric power plants thanks to their low cost and easy availability. This paper presents a review of the most challenging aspects of the pump as turbine: prediction and improvement in turbine mode. First, an explanation of the theory of the pump as turbine focused on the functioning, types of pumps, selection criteria and performance predictions as shown in the literature, giving also methodologies and details on the pump as turbine selection. Afterwards, the literature shows the instabilities produced by the operation of the pumps on inverse mode, which generates S-shape curves and cavitation. Finally, as the main focus of this paper, aspects of efficiency produced by geometric parameters were discussed. Current trends and future scope for further improvement and implementation of pump as turbine are also discussed.
format	article
author	Jonathan Graciano-Uribe Jorge Sierra Edwar Torres-Lopez
author_facet	Jonathan Graciano-Uribe Jorge Sierra Edwar Torres-Lopez
author_sort	Jonathan Graciano-Uribe
title	Instabilities and influence of geometric parameters on the efficiency of a pump operated as a turbine for micro hydro power generation: A review
title_short	Instabilities and influence of geometric parameters on the efficiency of a pump operated as a turbine for micro hydro power generation: A review
title_full	Instabilities and influence of geometric parameters on the efficiency of a pump operated as a turbine for micro hydro power generation: A review
title_fullStr	Instabilities and influence of geometric parameters on the efficiency of a pump operated as a turbine for micro hydro power generation: A review
title_full_unstemmed	Instabilities and influence of geometric parameters on the efficiency of a pump operated as a turbine for micro hydro power generation: A review
title_sort	instabilities and influence of geometric parameters on the efficiency of a pump operated as a turbine for micro hydro power generation: a review
publisher	SDEWES Centre
publishDate	2021
url	https://doaj.org/article/bbd17622f89c4f47ae64b0bdc4f51839
work_keys_str_mv	AT jonathangracianouribe instabilitiesandinfluenceofgeometricparametersontheefficiencyofapumpoperatedasaturbineformicrohydropowergenerationareview AT jorgesierra instabilitiesandinfluenceofgeometricparametersontheefficiencyofapumpoperatedasaturbineformicrohydropowergenerationareview AT edwartorreslopez instabilitiesandinfluenceofgeometricparametersontheefficiencyofapumpoperatedasaturbineformicrohydropowergenerationareview
_version_	1718419446958129152

Instabilities and influence of geometric parameters on the efficiency of a pump operated as a turbine for micro hydro power generation: A review

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