Evaluation and Analysis of Selective Deployment of Power Optimizers for Residential PV Systems

Kostas Sinapis, Konstantinos Tsatsakis, Maarten Dörenkämper and Wilfried G. J. H. M. van Sark
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Kostas Sinapis: Netherlands Organization for Scientific Research (TNO), 5656 AE Eindhoven, The Netherlands
Konstantinos Tsatsakis: Netherlands Organization for Scientific Research (TNO), 5656 AE Eindhoven, The Netherlands
Maarten Dörenkämper: Netherlands Organization for Scientific Research (TNO), 5656 AE Eindhoven, The Netherlands
Wilfried G. J. H. M. van Sark: Copernicus Institute of Sustainable Development, Utrecht University, 3564 CB Utrecht, The Netherlands

Energies, 2021, vol. 14, issue 4, 1-15

Abstract: Partial shading is widely considered to be a limiting factor in the performance of photovoltaic (PV) systems applied in urban environments. Modern system architectures, combined with per module deployment of power electronics, have been used to improve performance, especially at heterogeneous irradiance conditions, but they come with a high investment cost. In this paper, another approach is used to evaluate the selective deployment of power optimizers (SDPO), which can operate with a variety of string inverters and can be retrofitted in PV systems suffering from high shading losses. A combination of modelling and outdoor field testing showed the benefits and drawbacks of SDPOs in a variety of shading scenarios. Results suggest that there is an energy yield increase of 1–2% on an annual basis compared to that of a reference system. The exact level of increase depends on the shading patterns and combination scenarios used in this paper.

Keywords: BIPV; power optimizers; SDPO; partial shading (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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