Methodology to Minimize Energy Costs in an On-Demand Irrigation Network Based on Arranged Opening of Hydrants

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• 作者：Juan Ignacio Córcoles ; José María Tarjuelo…
• 关键词：Irrigation network ; Energy costs ; Starting time ; Irrigation event
• 刊名：Water Resources Management
• 出版年：2015
• 出版时间：August 2015
• 年：2015
• 卷：29
• 期：10
• 页码：3697-3710
• 全文大小：598 KB
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• 作者单位：Juan Ignacio Córcoles (1)
  José María Tarjuelo (2)
  Pedro Antonio Carrión (2)
  Miguel ángel Moreno (2)
  
  1. Industrial Engineering School, University of Castilla -La Mancha, Campus Universitario, 02071, Albacete, Spain
  2. Regional Center of Water Research, University of Castilla -La Mancha, Campus Universitario, 02071, Albacete, Spain
  
• 刊物类别：Earth and Environmental Science
• 刊物主题：Earth sciences
  Hydrogeology
  Geotechnical Engineering
  Meteorology and Climatology
  Civil Engineering
  Environment
  
• 出版者：Springer Netherlands
• ISSN：1573-1650

文摘

In this paper, the focus was on the study of the management of irrigation networks, and a tool was implemented in the MATLAB? environment and developed using the EPANET? toolkit to minimize the energy costs at the pumping station. The tool was validated in an on-demand irrigation network located in Tarazona de La -Mancha (Albacete, Spain). Several scenarios were developed to determine the starting time for each irrigation event and hydrant. The results from the proposed methodology, based on a dynamic pressure regulation, were compared to the current irrigation management practice that used the pressure head as a constant value. On a daily basis, the energy savings achieved ranged from 4 to 8?%, whereas 13-6?% was saved in energy costs. On a festival day, without a high energy rate period, obtaining energy and cost savings close to 7-?%, and 8-1?%, respectively was possible. Additionally, the savings obtained using the proposed methodology were increased with the use of two variable speed pumps activated sequentially, with the rest of the pumps as fixed, which improved the energy efficiency at the pumping station.