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Metrology and Measurement Systems

The Journal of Committee on Metrology and Scientific Instrumentation of Polish Academy of Sciences

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IMPACT FACTOR 2016: 1.598

CiteScore 2016: 1.58

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Volume 24, Issue 1


Partial Shading Detection in Solar System Using Single Short Pulse of Load

Mateusz Bartczak
  • Corresponding author
  • Wroclaw University of Technology, Chair of Electronic and Photonic Metrology, Boleslawa Prusa 53/55, 50-317 Wrocław, Poland
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Published Online: 2017-03-20 | DOI: https://doi.org/10.1515/mms-2017-0016


A single photovoltaic panel under uniform illumination has only one global maximum power point, but the same panel in irregularly illuminated conditions can have more maxima on its power-voltage curve. The irregularly illuminated conditions in most cases are results of partial shading. In the work a single short pulse of load is used to extract information about partial shading. This information can be useful and can help to make some improvements in existing MPPT algorithms. In the paper the intrinsic capacitance of a photovoltaic system is used to retrieve occurrence of partial shading.

Keywords: maximum power point; partial shading; load pulse; test station; I−V curve


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About the article

Received: 2016-11-08

Accepted: 2017-01-14

Published Online: 2017-03-20

Published in Print: 2017-03-01

Citation Information: Metrology and Measurement Systems, Volume 24, Issue 1, Pages 193–199, ISSN (Online) 2300-1941, DOI: https://doi.org/10.1515/mms-2017-0016.

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© 2017 Polish Academy of Sciences. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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