Evaluation of a photovoltaic energy mechatronics system with a built-in quadratic maximum power point tracking algorithm

Ru-Min Chao, S. H. Ko, F. S. Pai, I. H. Lin, C. C. Chang

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

The historically high cost of crude oil price is stimulating research into solar (green) energy as an alternative energy source. In general, applications with large solar energy output require a maximum power point tracking (MPPT) algorithm to optimize the power generated by the photovoltaic effect. This work aims to provide a stand-alone solution for solar energy applications by integrating a DC/DC buck converter to a newly developed quadratic MPPT algorithm along with its appropriate software and hardware. The quadratic MPPT method utilizes three previously used duty cycles with their corresponding power outputs. It approaches the maximum value by using a second order polynomial formula, which converges faster than the existing MPPT algorithm. The hardware implementation takes advantage of the real-time controller system from National Instruments, USA. Experimental results have shown that the proposed solar mechatronics system can correctly and effectively track the maximum power point without any difficulties.

Original languageEnglish
Pages (from-to)2177-2185
Number of pages9
JournalSolar Energy
Volume83
Issue number12
DOIs
Publication statusPublished - 2009 Dec 1

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

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