Article | World Renewable Energy Congress - Sweden; 8-13 May; 2011; Linköping; Sweden | Small Scale Hydropower: Generator Analysis and Optimization for Water Supply Systems

Title:
Small Scale Hydropower: Generator Analysis and Optimization for Water Supply Systems
Author:
Guilherme A. Caxaria: Electrical and Computer Engineering Department, Instituto Superior Tåcnico, Technical University of Lisbon, Lisbon, Portugal Duarte de Mesquita e Sousa: Electrical and Computer Engineering Department and CIE3, Instituto Superior Tåcnico, Technical University of Lisbon, Lisbon, Portugal Helena M. Ramos: Civil Engineering Department and CEHIDRO, Instituto Superior Tåcnico, Technical University of Lisbon, Lisbon, Portugal
DOI:
10.3384/ecp110571386
Download:
Full text (pdf)
Year:
2011
Conference:
World Renewable Energy Congress - Sweden; 8-13 May; 2011; Linköping; Sweden
Issue:
057
Article no.:
002
Pages:
1386-1393
No. of pages:
8
Publication type:
Abstract and Fulltext
Published:
2011-11-03
ISBN:
978-91-7393-070-3
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


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This work focuses on the analysis of the power generation feasibility of both a pump as turbine (PAT) and an experimental propeller turbine; when applied to water supply systems. This is done through an analysis of the electrical generation aspects of the PAT’s induction motor and of a permanent magnet DC motor; which was connected to the propeller turbine. The collected data allows for parameter optimization; adequate generator choice and computational modeling. These tests constitute a good sample of the range of applicability of small scale turbines as valid solutions for micro-hydro. It is also possible to consider multiple scenarios; such as rescaling/resizing; for larger turbines and systems; and the use of power electronics for further efficiency enhancing.

Keywords: Small-scale hydropower; water supply systems; low power turbines; behavioral analysis

World Renewable Energy Congress - Sweden; 8-13 May; 2011; Linköping; Sweden

Author:
Guilherme A. Caxaria, Duarte de Mesquita e Sousa, Helena M. Ramos
Title:
Small Scale Hydropower: Generator Analysis and Optimization for Water Supply Systems
DOI:
http://dx.doi.org/10.3384/ecp110571386
References:
[1] A. Williams; Pumps as Turbines: a user’s guide; 2nd Edition; Practical Action Publishing; 2003.
[2] H. Ramos; Guidelines for design of small hydropower plants; 2000; WREAN/DED; ISBN 972-96346-4-5.
[3] H. Ramos; A.B. Almeida; Dynamic effects in micro-hydro modeling; 2003; pp. Water Power & Dam Construction; ISSN 0306-400X.
[4] H. Ramos; A.B. Almeida; Parametric analysis of waterhammer effects in small hydropower schemes; 2001; Journal of Hydraulic Research; IAHR; Vol. 39 (4); pp. 429-436; ISSN-0022-1686.
[5] H. Ramos; A. Borga; Pumps as turbines: unconventional solution to energy production; Urban Water International Journal; Elsevier Science Ltd; 2000; pp.261-265.
[6] H.M. Ramos; A. Borga; M. Sim√£o; New design solutions of low power for energy production in water pipe systems; Water Science and Engineering; 2009; 2(4): 69-84; doi:10.3882/j.issn.1674-2370.2009.04.007.
[7] H.M. Ramos; M. Mello; P. De; Clean power in water supply systems as a sustainable solution: from conceptual to practical analysis; IWA Publishing; Water Science and Technology; 2010. doi: 10.2166/ws.2010.720.
[8] H.M. Ramos; F. Vieira; D. Covas; Energy efficiency in a water supply system. Water Science and Engineering; 2010; pp.331-340.
[9] J.S. Ramos; H.M. Ramos; Sustainable application of renewable sources in water pumping systems: optimized energy system configuration; 2009; (doi:10.1016/ j.enpol. 2008.10.006); Energy Policy 37; 633-643.
[10] N. Smith; Motors as generators for micro-hydro power; 2nd Edition; Practical Action Publishing; 2008.

World Renewable Energy Congress - Sweden; 8-13 May; 2011; Linköping; Sweden

Author:
Guilherme A. Caxaria, Duarte de Mesquita e Sousa, Helena M. Ramos
Title:
Small Scale Hydropower: Generator Analysis and Optimization for Water Supply Systems
DOI:
http://dx.doi.org/10.3384/ecp110571386
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