An investigation of photovoltaic powered pumps in direct solar domestic hot water systems

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The performance of photovoltaic powered pumps in direct solar domestic hot water (PV-SDHW) systems has been studied. The direct PV- SDHW system employs a photovoltaic array, a separately excited DC- motor, a centrifugal pump, a thermal collector, and a storage tank. A search methodology for an optimum PV-SDHW system configuration has been proposed. A comparison is made between the long-term performance of a PV-SDHW system and a conventional SDHW system operating under three control schemes. The three schemes are: an ON-OFF flow controlled SDHW system operating at the manufacturer-recommended constant flow rate, and a linear proportional flow controlled SDHW system ... continued below

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7 p.

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Al-Ibrahim, A.M.; Klein, S.A.; Mitchell, J.W. & Beckman, W.A. September 1, 1996.

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Description

The performance of photovoltaic powered pumps in direct solar domestic hot water (PV-SDHW) systems has been studied. The direct PV- SDHW system employs a photovoltaic array, a separately excited DC- motor, a centrifugal pump, a thermal collector, and a storage tank. A search methodology for an optimum PV-SDHW system configuration has been proposed. A comparison is made between the long-term performance of a PV-SDHW system and a conventional SDHW system operating under three control schemes. The three schemes are: an ON-OFF flow controlled SDHW system operating at the manufacturer-recommended constant flow rate, and a linear proportional flow controlled SDHW system with the flow proportional to the solar radiation operating under an optimum proportionality. 13 refs., 6 figs.

Physical Description

7 p.

Notes

OSTI as DE96013536

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  • 25. American Solar Energy Society conference, Asheville, NC (United States), 13-18 Apr 1996

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  • Other: DE96013536
  • Report No.: CONF-960430--3
  • Grant Number: FG36-90SF18498
  • Office of Scientific & Technical Information Report Number: 371174
  • Archival Resource Key: ark:/67531/metadc674160

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  • September 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Nov. 20, 2015, 10:02 p.m.

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Al-Ibrahim, A.M.; Klein, S.A.; Mitchell, J.W. & Beckman, W.A. An investigation of photovoltaic powered pumps in direct solar domestic hot water systems, article, September 1, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc674160/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.