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A relative power-based adaptive hybrid model for DC/AC average inverter efficiency of photovoltaics systems

Author

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  • Scarabelot, Letícia T.
  • Rambo, Carlos R.
  • Rampinelli, Giuliano A.

Abstract

This paper presents the development of methods and mathematical models to determine the DC/AC average efficiency of inverters that allow to optimize estimates of electricity generation of photovoltaic systems. The adaptive hybrid mathematical model of DC/AC average efficiency of inverters of photovoltaic systems proposed in this paper may be composed of three function settings–Linear, Lognormal, and Polynomial–considering the influence of the relative power, which varies with the sizing factor inverter and the DC input voltage. Determining of the average efficiency with a high degree of accuracy guarantees greater reliability in estimating electricity generation of photovoltaic systems. Depending on the specific behavior of each model and topology of inverter, the adaptive hybrid mathematical model determines the fit functions with highest coefficient R2, and estimates with accuracy the DC/AC average efficiency that represents the operation and dynamic behavior of the inverters.

Suggested Citation

  • Scarabelot, Letícia T. & Rambo, Carlos R. & Rampinelli, Giuliano A., 2018. "A relative power-based adaptive hybrid model for DC/AC average inverter efficiency of photovoltaics systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 92(C), pages 470-477.
    • Handle: RePEc:eee:rensus:v:92:y:2018:i:c:p:470-477
    DOI: 10.1016/j.rser.2018.04.099
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    Cited by:

    1. Khalil Gholami & Behnaz Behi & Ali Arefi & Philip Jennings, 2022. "Grid-Forming Virtual Power Plants: Concepts, Technologies and Advantages," Energies, MDPI, vol. 15(23), pages 1-26, November.
    2. Waseem Iqbal & Irfan Ullah & Seoyong Shin, 2023. "Optical Developments in Concentrator Photovoltaic Systems—A Review," Sustainability, MDPI, vol. 15(13), pages 1-25, July.

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