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Economic optimization of photovoltaic water pumping systems for irrigation
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2015 (English)In: Energy Conversion and Management, ISSN 0196-8904, E-ISSN 1879-2227, Vol. 95, 32-41 p.Article in journal (Refereed) Published
Abstract [en]

Photovoltaic water pumping technology is considered as a sustainable and economical solution to provide water for irrigation, which can halt grassland degradation and promote farmland conservation in China. The appropriate design and operation significantly depend on the available solar irradiation, crop water demand, water resources and the corresponding benefit from the crop sale. In this work, a novel optimization procedure is proposed, which takes into consideration not only the availability of ground-water resources and the effect of water supply on crop yield, but also the investment cost of photovoltaic water pumping system and the revenue from crop sale. A simulation model, which combines the dynamics of photovoltaic water pumping system, groundwater level, water supply, crop water demand and crop yield, is employed during the optimization. To prove the effectiveness of the new optimization approach, it has been applied to an existing photovoltaic water pumping system. Results show that the optimal configuration can guarantee continuous operations and lead to a substantial reduction of photovoltaic array size and consequently of the investment capital cost and the payback period. Sensitivity studies have been conducted to investigate the impacts of the prices of photovoltaic modules and forage on the optimization. Results show that the water resource is a determinant factor.

Place, publisher, year, edition, pages
2015. Vol. 95, 32-41 p.
Keyword [en]
Photovoltaic water pumping system, Irrigation, Grassland desertification, Field validation, Optimization
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-166482DOI: 10.1016/j.enconman.2015.01.066ISI: 000352169300004Scopus ID: 2-s2.0-84923335713OAI: oai:DiVA.org:kth-166482DiVA: diva2:812535
Funder
Sida - Swedish International Development Cooperation Agency
Note

QC 20150519

Available from: 2015-05-19 Created: 2015-05-11 Last updated: 2017-12-04Bibliographically approved

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Yan, Jinyue
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School of Chemical Science and Engineering (CHE)
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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf