High efficiency Photovoltaic Pump System with double pumps

The efficiency of photovoltaic pump system (PVPS) varies with the solar irradiation and it is important to select the suitable pump to improve the efficiency of PVPS. Pump with higher head works longer but is in lower efficiency when solar irradiation is powerful in noon. The paper proposes a maximu...

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Published in2007 7th Internatonal Conference on Power Electronics pp. 493 - 497
Main Authors Fu Qing, Chen Xiaogao, Xie Lei
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2007
Subjects
AC motors
Analog-digital conversion
DC motors
Photovoltaic systems
Physics
Power engineering and energy
Solar energy
Solar power generation
Sun
Water storage
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Abstract The efficiency of photovoltaic pump system (PVPS) varies with the solar irradiation and it is important to select the suitable pump to improve the efficiency of PVPS. Pump with higher head works longer but is in lower efficiency when solar irradiation is powerful in noon. The paper proposes a maximum power trace (MPPT) controller for PVPS and a novel scheme with double pumps to improve efficiency of PVPS. The pump with higher head works when solar irradiation is weak while the pump with lower head is automatically switched to work when solar irradiation is powerful. The experiment proves the higher efficiency of PVPS with double pumps.
AbstractList The efficiency of photovoltaic pump system (PVPS) varies with the solar irradiation and it is important to select the suitable pump to improve the efficiency of PVPS. Pump with higher head works longer but is in lower efficiency when solar irradiation is powerful in noon. The paper proposes a maximum power trace (MPPT) controller for PVPS and a novel scheme with double pumps to improve efficiency of PVPS. The pump with higher head works when solar irradiation is weak while the pump with lower head is automatically switched to work when solar irradiation is powerful. The experiment proves the higher efficiency of PVPS with double pumps.
Author Xie Lei
Chen Xiaogao
Fu Qing
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  organization: Sch. of Phys. & Eng., Sun Yat-sen Univ
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  surname: Xie Lei
  fullname: Xie Lei
  organization: Sch. of Phys. & Eng., Sun Yat-sen Univ
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Snippet The efficiency of photovoltaic pump system (PVPS) varies with the solar irradiation and it is important to select the suitable pump to improve the efficiency...
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StartPage 493
SubjectTerms AC motors
Analog-digital conversion
DC motors
Photovoltaic systems
Physics
Power engineering and energy
Solar energy
Solar power generation
Sun
Water storage
Title High efficiency Photovoltaic Pump System with double pumps
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