Behavioral Analysis of Potential Induced Degradation on Photovoltaic Cells, Regeneration and Artificial Creation

Alex Mirtchev, Theodoros Mouselinos, Stylianos Syrigos and Emmanuel Tatakis
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Alex Mirtchev: Laboratory of Electromechanical Energy Conversion, Department of Electrical and Computer Engineering, University of Patras, 26504 Patras, Greece
Theodoros Mouselinos: Laboratory of Electromechanical Energy Conversion, Department of Electrical and Computer Engineering, University of Patras, 26504 Patras, Greece
Stylianos Syrigos: Laboratory of Electromechanical Energy Conversion, Department of Electrical and Computer Engineering, University of Patras, 26504 Patras, Greece
Emmanuel Tatakis: Laboratory of Electromechanical Energy Conversion, Department of Electrical and Computer Engineering, University of Patras, 26504 Patras, Greece

Energies, 2021, vol. 14, issue 13, 1-16

Abstract: Many photovoltaic (PV) parks suffer from a decrement in their generated power capability due to a phenomenon called potential induced degradation (PID). In this paper, a regenerative system using a high step-up DC–DC converter is proposed, for regenerating PV cells that have been degraded due to the PID effect. The same device also can be used for artificially creating PID on PV panels in order to study the effects of the PID under controlled conditions. The power converter offers multiple voltage levels at the output to adapt to various voltage ratings of PV parks. The device has plug-and-play features, ultra-low cost, small size and is simple in operation. Experimental tests are conducted in real PV panels and comparative results verify the operational principles of the proposed system. The artificial creation of the PID phenomenon and the regeneration of the PV cells are successfully proven experimentally.

Keywords: AC-DC converters; high voltage power converters; photovoltaic cells; PV degradation; renewable energy sources (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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