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Identification of Partial Shading Conditions for Photovoltaic Strings [PDF]

IEEE Access, 2020
Under partial shading conditions (PSC), the power-voltage (P-V) characteristic curve of photovoltaic (PV) strings exhibits multiple peaks. Such mismatching phenomenon brings challenges in controlling the output power.
Ziqiang Bi, Jieming Ma, Kangshi Wang, Ka Lok Man, Jeremy S. Smith, Yong Yue   +5 more
doaj   +4 more sources

Detection and assessment of partial shading in photovoltaic arrays

Journal of Electrical Systems and Information Technology, 2016
The paper presents a methodology for detection and assessment of partial shading conditions in photovoltaic (PV) arrays based on artificial neural networks (ANN) as a preliminary step toward automatic supervision and monitoring.
Fawzan Salem, Mohamed A. Awadallah
doaj   +3 more sources

Strategic Perturb and Observe Algorithm for Partial Shading Conditions

Sir Syed University Research Journal of Engineering and Technology, 2022
Solar photovoltaic (PV) is the cheapest renewable resource of electrical energy. Its dependence on the connected load bounds its production capability.
Muhammad Mateen Afzal Awan
doaj   +3 more sources

ON THE CAPACITY OF SOLAR CELLS UNDER PARTIAL SHADING CONDITIONS

Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, 2021
A photovoltaic system under uniform illumination conditions has only one global maximum power point, but this same panel in the case of partial shading conditions can have more maxima on the power-voltage curve.
Mateusz Bartczak
doaj   +3 more sources

Performance comparison of interconnection schemes for mitigating partial shading losses in solar photovoltaic arrays [PDF]

Scientific Reports
Among the key challenges in utilizing solar photovoltaic arrays comprising multiple series-connected modules, is achieving its operation at the global maximum power point under partial shading conditions (PSCs).
Smita Pareek, Md Fahim Ansari, Neha Khurana, Md. Manzar Nezami, Salah S. Alharbi, Saleh S. Alharbi, Gopal Krishan, Ratna Dahiya, Mohammad Junaid Khan   +8 more
doaj   +2 more sources

Power enhancement of PV arrays in different configurations under different partial shaded condition [PDF]

Scientific Reports
Among the most sustainable forms of energy, solar energy delivers clean, dependable, and limitless power. However, the PV arrays experience uneven irradiance as a result of partial shadowing situations, which causes several peaks in their PV ...
Sakthivel Ganesan, Prince Winston David, Hariharasudhan Thangaraj, Praveen Kumar Balachandran, Shitharth Selvarajan   +4 more
doaj   +2 more sources

Maximum Power Point Tracking dengan Metode Modified Human Psychology Optimization pada Kondisi Partial Shading

Jurnal Elkomika, 2022
ABSTRAK Panel surya memiliki kemungkinan tertutup saat menerima sinar matahari sehingga terjadi kondisi partial shading yang berpengaruh pada daya panel surya. Kita dapat memaksimalkan daya keluaran panel surya dengan Metode Maximum Power Point Tracking
MOH. ZAENAL EFENDI, LUCKY PRADIGTA SETIYA RAHARJA, MOCHAMMAD RODY DWIRANTONO, FEBY CHANDRA ARSANDI, NABILA LUTFIAH   +4 more
doaj   +1 more source

Bypass diode effect and photovoltaic parameter estimation under partial shading using a hill climbing neural network algorithm

Frontiers in Energy Research, 2022
In recent decades, population growth and industrial evolution have led to a significant increase in the need to produce electricity. Photovoltaic energy has assumed a key role in responding to this need, mainly due to its low cost and reduced ...
H. G. G. Nunes, H. G. G. Nunes, F. A. L. Morais, J. A. N. Pombo, J. A. N. Pombo, S. J. P. S. Mariano, S. J. P. S. Mariano, M. R. A. Calado, M. R. A. Calado   +8 more
doaj   +1 more source

Small area high voltage photovoltaic module for high tolerance to partial shading

iScience, 2023
Summary: The urban application of photovoltaics is necessary to achieve carbon-free electricity production. However, the serial connections within modules cause problems under partial shading conditions, which is inevitable in urban applications ...
Luthfan Fauzan, Min Ju Yun, Yeon Hyang Sim, Dong Yoon Lee, Seung I. Cha   +4 more
doaj   +1 more source

Power reserve control strategy of PV system for active power reserve under dynamic shading patterns

Array, 2022
The de-loading technique in photovoltaics is used to reserve some active power for frequency regulation purposes. However, the selection of the de-loading method depends upon the shading conditions of photovoltaics.
Pankaj Verma, Tarlochan Kaur
doaj   +1 more source