Solar Irradiation Independent Expression for Photovoltaic Generator Maximum Power Line

Sergei Kolesnik, Moshe Sitbon, Simon Lineykin, Efstratios Batzelis, Stavros Papathanassiou, Teuvo Suntio, Alon Kuperman

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


In order to enhance maximum power point tracking (MPPT) speed of photovoltaic generators (PVGs) upon fast irradiation changes, maximum power line (MPL)-based control is often used. MPL is a curve, linking all possible MPP coordinates for a given temperature. In the literature so far, PVG MPL was either assumed linear, which is inaccurate for all irradiation levels, or possessed photocurrent dependence, requiring real-time estimation of the latter. In this letter, an irradiation-independent explicit expression for PVG MPL is derived, valid for all practical irradiation levels, thus allowing real-time implementation without the need of photocurrent estimation.

Original languageEnglish
Article number7961142
Pages (from-to)1416-1420
Number of pages5
JournalIEEE Journal of Photovoltaics
Issue number5
StatePublished - Sep 2017


  • Maximum power point tracking (MPPT)
  • maximum power line (MPL)
  • photovoltaic generator (PVG)
  • single diode model


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