Results 31 to 40 of about 8,916,298 (287)

An Enhanced Adaptive Perturb and Observe Technique for Efficient Maximum Power Point Tracking Under Partial Shading Conditions

Applied Sciences, 2020
In this paper, we propose enhanced adaptive step size Perturb and Observe (P&O) maximum power point tracking (MPPT) with properly organized comparison sequences which lead to achieving the actual maximum power point (MPP) effectively in the presence of ...
Altwallbah Neda Mahmod Mohammad, Mohd Amran Mohd Radzi, Norhafiz Azis, Suhaidi Shafie, Muhammad Ammirrul Atiqi Mohd Zainuri   +4 more
doaj   +1 more source

Performance Analysis of Different Optimization Algorithms for MPPT Control Techniques under Complex Partial Shading Conditions in PV Systems

Energies, 2023
Classic algorithms show high performance in tracking the maximum power point (MPP) of photovoltaic (PV) panels under uniform irradiance and temperature conditions.
Nihat Pamuk
doaj   +1 more source

An Effective Falcon Optimization Algorithm Based MPPT Under Partial Shaded Photovoltaic Systems

IEEE Access, 2022
Uncertain conditions involving partial shading can be found in large-scale solar photovoltaic (PV) systems. There is a possibility that the performance of the PV system will suffer as a result of partial shading conditions (PSCs) because it creates ...
Muhannad J. Alshareef
doaj   +1 more source

Modeling and detection of hot-spot in shaded photovoltaic cells [PDF]

, 2014
In this paper, we address the problem of modeling the thermal behavior of photovoltaic (PV) cells undergoing a hotspot condition. In case of shading, PV cells may experience a dramatic temperature increase, with consequent reduction of the provided power.
Giaffreda, Daniele, Giaffreda, D., Metra, Cecilia, Omana, Martin, Rossi D., Omana M., Omana, M., Giaffreda D., Metra C., Metra, C., OMANA, MARTIN EUGENIO, Rossi, D., Rossi, Daniele   +12 more
core   +1 more source

An effective salp swarm based MPPT for photovoltaic systems under dynamic and partial shading conditions [PDF]

, 2021
This study proposes a duty cycle-based direct search method that capitalizes on a bioinspired optimization algorithm known as the salp swarm algorithm (SSA).
Jamaludin, Mohd Nasrul Izzani, Babu, Thanikanti Sudhakar, Ahmed, Jubaer, Alhelou, Hassan Haes, Ghazali, Nur Hafizah, Azmi, Syahrul Ashikin, Azmi, Azralmukmin, Tajuddin, Mohammad Faridun Naim   +7 more
core   +1 more source

Experimental Investigation of Photovoltaic Partial Shading Losses under Different Operation Conditions

مجلة النهرين للعلوم الهندسية, 2020
The partial shading conditions have a significant effect on the performance of Photovoltaic system and the ability of delivering energy. In this study, the impact of different partial shading on the mono crystalline (88W) PV module performance was ...
Ali H. Numan, Zahraa Salman Dawood, Hashim A. Hussein   +2 more
doaj   +1 more source

Model of Series-Parallel Photovoltaic Arrays Using Double-Diode Model and Parallel Computing

Computation, 2022
Several applications require to estimate the power production of photovoltaic (PV) systems under partial shading conditions. For example, dynamic reconfiguration of the array connections is needed to maximize the power production under partial shading ...
Juan David Bastidas-Rodríguez, Carlos Andrés Ramos-Paja, Sergio Ignacio Serna-Garcés   +2 more
doaj   +1 more source

Impact of partial shading on the output power of PV systems under partial shading conditions

IET Power Electronics, 2014
A major challenge in the photovoltaics (PV) systems is to make it energy efficient. Partial shading reduces the energy yield of PV systems and introduces multiple peaks in the P – V characteristics.
Indu Rani Balasubramanian, Saravana Ilango Ganesan, Nagamani Chilakapati   +2 more
openaire   +1 more source

PV Systems Control Using Fuzzy Logic Controller Employing Dynamic Safety Margin under Normal and Partial Shading Conditions

Energies, 2021
Because of the unpredictable activity of solar energy sources, photovoltaic (PV) maximum power point tracking (MPPT) is essential to guarantee the continuous operation of electrical energy generation at optimal power levels.
Mostafa Bakkar, Ahmed Aboelhassan, Mostafa Abdelgeliel, Michael Galea   +3 more
doaj   +1 more source

Maximum Power Enhancement of Partially Shaded Photovoltaic Array by Advanced Total Cross-Tied Based Configuration

Journal of Engineering Technology and Applied Physics
Partial shading in solar photovoltaic arrays reduce the maximum power produced. Partial shading conditions in PV arrays can be caused by water, dust, tree shadows, bird-drops, nearby building, etc.
Kaung Khant Win, Yin Yin Mya
doaj   +1 more source