Analog Fixed Maximum Power Point Control for a PWM Step-downConverter for Water Pumping Installations

H. Beltran, E. Perez, Zhe Chen, F. J. Gimeno-Sales, S. Seguí-Chilet, J Soler, E. Daroqui

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

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Abstract

This paper describes a Fixed Maximum Power Point analog control used in a step-down Pulse Width Modulated power converter. The DC/DC converter drives a DC motor used in small water pumping installations, without any electric storage device. The power supply is provided by PV panels working around their maximum power point, with a fixed operating voltage value. The control circuit implementation is not only simple and cheap, but also robust and reliable. System protections and adjustments are also proposed. Simulations and hardware are reported in the paper for a 150W water pumping application system. The proposed Optimal Power Point fix voltage control system is analyzed in comparison to other complex controls.
Original languageEnglish
Title of host publicationProceedings of the 13th European Conference on Power Electronics and Applications - EPE'2009
Number of pages10
PublisherIEEE
Publication date2009
Pages1-10
ISBN (Print)978-90-75815-00-9, 978-1-4244-4432-8
Publication statusPublished - 2009
EventEuropean Conference on Power Electronics and Applications, EPE 2009 - Barcelona, Spain
Duration: 8 Sept 200910 Sept 2009
Conference number: 13

Conference

ConferenceEuropean Conference on Power Electronics and Applications, EPE 2009
Number13
Country/TerritorySpain
CityBarcelona
Period08/09/200910/09/2009

Bibliographical note

INSPEC Accession Number: 10939647

Keywords

  • DC power supply
  • Photovoltaic
  • Water transport
  • Pulse Width Modulation (PWM)

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