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Impact of bypass diode forward voltage on maximum power of a photovoltaic system under partial shading conditions

Diodes; Photovoltaic cells; Solar energy; Solar power generation; By-pass diodes; Forward voltage; Lower voltages; Partial shading; Photovoltaic; Photovoltaic modules; Photovoltaic systems; Worst case scenario; Photovoltaic effects; electrode; photovoltaic system; shading; solar power

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Main Authors: Teo J.C., Tan R.H.G., Mok V.H., Ramachandaramurthy V.K., Tan C.
Other Authors: 57200258267
Format: Article
Published: Elsevier Ltd 2023
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spelling my.uniten.dspace-256012023-05-29T16:11:32Z Impact of bypass diode forward voltage on maximum power of a photovoltaic system under partial shading conditions Teo J.C. Tan R.H.G. Mok V.H. Ramachandaramurthy V.K. Tan C. 57200258267 35325391900 6603737102 6602912020 55921560400 Diodes; Photovoltaic cells; Solar energy; Solar power generation; By-pass diodes; Forward voltage; Lower voltages; Partial shading; Photovoltaic; Photovoltaic modules; Photovoltaic systems; Worst case scenario; Photovoltaic effects; electrode; photovoltaic system; shading; solar power The maximum power of a photovoltaic system can reduce significantly under partial shading conditions. Bypass diodes can be used in photovoltaic systems to bypass the shaded photovoltaic modules during partial shading. The bypass diode possesses a forward voltage that introduces a voltage drop in the photovoltaic system upon activation. Therefore, the maximum power of a photovoltaic system can reduce further during partial shading due to the forward voltage of the bypass diode. This paper presents an investigation into the effect of bypass diode forward voltage on the maximum power of a photovoltaic system under partial shading conditions. The results indicated that the forward voltage of the bypass diode did not necessarily decrease the maximum power of the photovoltaic system. This depends on whether the maximum power is delivered at a lower or higher voltage. When the maximum power is delivered at a higher voltage, it is insusceptible to the forward voltage. Conversely, when the maximum power is delivered at a lower voltage, it is susceptible to the forward voltage. In the worst-case scenario, the forward voltage of the bypass diode reduced the maximum power of the photovoltaic system by 16.48%, which was already subject to partial shading loss. � 2019 Elsevier Ltd Final 2023-05-29T08:11:32Z 2023-05-29T08:11:32Z 2020 Article 10.1016/j.energy.2019.116491 2-s2.0-85075425393 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85075425393&doi=10.1016%2fj.energy.2019.116491&partnerID=40&md5=92cbdf4c5ced2e6da02be1d829c3e78d https://irepository.uniten.edu.my/handle/123456789/25601 191 116491 Elsevier Ltd Scopus
institution Universiti Tenaga Nasional
building UNITEN Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Tenaga Nasional
content_source UNITEN Institutional Repository
url_provider http://dspace.uniten.edu.my/
description Diodes; Photovoltaic cells; Solar energy; Solar power generation; By-pass diodes; Forward voltage; Lower voltages; Partial shading; Photovoltaic; Photovoltaic modules; Photovoltaic systems; Worst case scenario; Photovoltaic effects; electrode; photovoltaic system; shading; solar power
author2 57200258267
author_facet 57200258267
Teo J.C.
Tan R.H.G.
Mok V.H.
Ramachandaramurthy V.K.
Tan C.
format Article
author Teo J.C.
Tan R.H.G.
Mok V.H.
Ramachandaramurthy V.K.
Tan C.
spellingShingle Teo J.C.
Tan R.H.G.
Mok V.H.
Ramachandaramurthy V.K.
Tan C.
Impact of bypass diode forward voltage on maximum power of a photovoltaic system under partial shading conditions
author_sort Teo J.C.
title Impact of bypass diode forward voltage on maximum power of a photovoltaic system under partial shading conditions
title_short Impact of bypass diode forward voltage on maximum power of a photovoltaic system under partial shading conditions
title_full Impact of bypass diode forward voltage on maximum power of a photovoltaic system under partial shading conditions
title_fullStr Impact of bypass diode forward voltage on maximum power of a photovoltaic system under partial shading conditions
title_full_unstemmed Impact of bypass diode forward voltage on maximum power of a photovoltaic system under partial shading conditions
title_sort impact of bypass diode forward voltage on maximum power of a photovoltaic system under partial shading conditions
publisher Elsevier Ltd
publishDate 2023
_version_ 1806424349903683584
score 13.222552

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