Thermal Study of Inverter Components: Preprint

Research output: Contribution to conferencePaper


Thermal histories of inverter components were collected from operating inverters from several manufacturers and three locations. The data were analyzed to determine thermal profiles, the dependence on local conditions, and to assess the effect on inverter reliability. Inverter temperatures were shown to increase with the power dissipation of the inverters, follow diurnal and annual cycles, andhave a dependence on wind speed. An accumulated damage model was applied to the temperature profiles and an example of using these data to predict reliability was explored.
Original languageAmerican English
Number of pages9
StatePublished - 2012
Event2012 IEEE Photovoltaic Specialists Conference - Austin, Texas
Duration: 3 Jun 20128 Jun 2012


Conference2012 IEEE Photovoltaic Specialists Conference
CityAustin, Texas

NREL Publication Number

  • NREL/CP-5200-55509


  • photovoltaics (PV)
  • reliability
  • temperature


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