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ROSARIO MICELI

Manufacturing tolerances effects on PV array energy production

  • Authors: Cipriani, G.; DI DIO, V.; Marcotulli, A.; Miceli, R.
  • Publication year: 2014
  • Type: Proceedings (TIPOLOGIA NON ATTIVA)
  • OA Link: http://hdl.handle.net/10447/104919

Abstract

This paper investigates the tolerance effects of commercial photovoltaic modules in terms of electrical energy reduction of photovoltaic plants. Several commercial modules, having the same rated power, present different power tolerance values. A wide tolerance is an indicator of possible defects or differences in the production process and is responsible of remarkable reductions in the electricity production of photovoltaic plants. In this paper, thanks to the development of a suitable simulation tool, several simulations have been carried out, considering different tolerance and shading conditions for the PV array. Simulation results quantify the peak power value of the different plant configurations underlining the importance of the choice of modules with reduced rated power tolerance.