Efficiency and cost trade-offs for designing module integrated converter photovoltaic systems

Katherine A. Kim, Sutchaya Lertburapa, Chenyang Xu, Philip T Krein

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Photovoltaic (PV) systems are moving away from the traditional series-string PV structure and towards a module-integrated-converter (MIC) configuration for improved energy capture. A MIC approach trades off increased power production with increased cost and overhead power consumption. This research compares efficiency and cost of series-string, micro-converter, and micro-inverter PV system configurations. Analytical models for power production, cost, and cost per watt are developed for each configuration. Design choices such as the current sensor type, microcontroller, and maximum power point tracking (MPPT) algorithm affect power production and cost. Various design cases are explored to identify the number of MICs that minimize system cost per watt.

Original languageEnglish (US)
Title of host publication2012 IEEE Power and Energy Conference at Illinois, PECI 2012
DOIs
StatePublished - May 17 2012
Event2012 IEEE Power and Energy Conference at Illinois, PECI 2012 - Champaign, IL, United States
Duration: Feb 24 2012Feb 25 2012

Publication series

Name2012 IEEE Power and Energy Conference at Illinois, PECI 2012

Other

Other2012 IEEE Power and Energy Conference at Illinois, PECI 2012
CountryUnited States
CityChampaign, IL
Period2/24/122/25/12

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Fuel Technology

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    Kim, K. A., Lertburapa, S., Xu, C., & Krein, P. T. (2012). Efficiency and cost trade-offs for designing module integrated converter photovoltaic systems. In 2012 IEEE Power and Energy Conference at Illinois, PECI 2012 [6184585] (2012 IEEE Power and Energy Conference at Illinois, PECI 2012). https://doi.org/10.1109/PECI.2012.6184585