Optimal switch configuration design for reconfigurable photovoltaic modules

Xue Lin, Yanzhi Wang, Massoud Pedram, Naehyuck Chang

Research output: Contribution to journalConference article

Abstract

PV module reconfiguration techniques have been proposed to combat the partial shading effect. These techniques can adaptively change the PV module configuration according to the partial shading pattern. A reconfigurable PV module is designed by integrating three programmable switches with each PV macro-cell. The PV module reconfiguration is then realized by controlling the ON/OFF states of the switches. To reduce the additional capital cost induced by the switches, we propose to optimize the switch configurations, i.e., derive the required number of MOSFETs in each switch based on the maximum current passing through that switch, in a reconfigurable PV module. The optimal switch configuration design combined with the optimization of PV macro-cell size can make the reconfigurable PV module achieve the maximum performance enhancement under partial shading while satisfying the capital cost constraint of the PV module.

Original languageEnglish (US)
Article number6938857
JournalIEEE Power and Energy Society General Meeting
Volume2014-October
Issue numberOctober
DOIs
StatePublished - Oct 29 2014
Event2014 IEEE Power and Energy Society General Meeting - National Harbor, United States
Duration: Jul 27 2014Jul 31 2014

Keywords

  • partial shading
  • photovoltaic
  • reconfiguration

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Nuclear Energy and Engineering
  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering

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