Results 41 to 50 of about 307 (159)

An Enhanced Cuckoo Search Algorithm Fitting for Photovoltaic Systems’ Global Maximum Power Point Tracking under Partial Shading Conditions

Energies, 2021
The output power against voltage curve of the photovoltaic system changes its characteristics under partial shading conditions because of using bypass diodes.
Ehab Mohamed Ali, Ahmed K. Abdelsalam, Karim H. Youssef, Ahmed A. Hossam-Eldin   +3 more
doaj   +1 more source

Desarrollo de una aplicación en Matlab para la evaluación de algoritmos MPPT y GMPPT [PDF]

, 2016
En el present projecte s’ha desenvolupat una aplicació per la avaluació de algoritmes MPPT y GMPPT utilitzant el programa MATLAB SIMULINK. L’aplicació que permet la simulació d’un sistema fotovoltaic senzill, compost per un mòdul fotovoltaic, convertidor
Micolau Subirón, Enric
core   +1 more source

Une nouvelle méthode GMPPT simple basée sur la distribution de probabilité du point de puissance maximale globale dans des conditions d'ombrage partiel

, 2022
International audienceA photovoltaic (PV) array with multiple modules in series with bypass diodes may present multiple power peaks under uneven shading and requires a control schema to regulate the system to global maximum power point (GMPP).
CAO, Kha Boa Khanh, Boitier, Vincent
core   +1 more source

An Improved Gray Wolf Optimizer MPPT Algorithm for PV System With BFBIC Converter Under Partial Shading

IEEE Access, 2020
Based on the boost full bridge isolated converter (BFBIC) topology and considering the sudden changes in the external environment, a global maximum power point tracking (GMPPT) control strategy based on an improved gray wolf optimizer (IGWO) algorithm is
Ke Guo, Lichuang Cui, Mingxuan Mao, Lin Zhou, Qianjin Zhang   +4 more
doaj   +1 more source

MPPT Control Strategy of PV Based on Improved Shuffled Frog Leaping Algorithm under Complex Environments

Journal of Control Science and Engineering, Volume 2017, Issue 1, 2017., 2017
This work presents a maximum power point tracking (MPPT) based on the particle swarm optimization (PSO) improved shuffled frog leaping algorithm (PSFLA). The swarm intelligence algorithm (SIA) has vast computing ability. The MPPT control strategies of PV array based on SIA are attracting considerable interests. Firstly, the PSFLA was proposed by adding
Xiaohua Nie, Haoyao Nie, Daniela Proto
wiley   +1 more source

Experimental Evaluation of a Multifunctional System Single-Stage Pv-Shunt Active Filter Under Partial Shading Conditions

Eletrônica de Potência, 2020
Distributed solar photovoltaic (PV) generation is becoming more popular. Similarly, the number of electronic loads has increased along with the need to improve power quality.
P. Robson M. Costa, Marcus R. de Castro, Isaac R. Machado, Edilson M. de Sá Junior   +3 more
doaj   +1 more source

Global maximum power point tracking for photovoltaic systems under partial and complex shading conditions using a PID based search algorithm (PSA)

IET Renewable Power Generation, Volume 19, Issue 1, January/December 2025.
This study presents a fresh approach to maximum power point tracking (MPPT) technique utilizing the proportional–integral–derivative‐based search algorithm to effectively identify the MPP under varying partial shading conditions. Compared to existing methods, the proposed algorithm demonstrates superior performance in power tracking efficiency ...
Md Adil Azad, Adil Sarwar, Mohd Tariq, Farhad Ilahi Bakhsh, Shafiq Ahmad, Adamali Shah Noor Mohamed, Md Rasidul Islam   +6 more
wiley   +1 more source

An Ultrafast Maximum Power Point Setting Scheme for Photovoltaic Arrays Using Model Parameter Identification

International Journal of Photoenergy, Volume 2015, Issue 1, 2015., 2015
Maximum power point tracking (MPPT) for photovoltaic (PV) arrays is essential to optimize conversion efficiency under variable and nonuniform irradiance conditions. Unfortunately, conventional MPPT algorithms such as perturb and observe (P&O), incremental conductance, and current sweep method need to iterate command current or voltage and frequently ...
Zhaohui Cen, Francisco A. S. Neves
wiley   +1 more source

New Global Maximum Power Point Tracking Technique Based on Indirect PV Array Voltage Control for Photovoltaic String Inverters With Reduced Number of Sensors

IEEE Access
This paper presents a study regarding the development of a single-stage single-phase grid-tied photovoltaic (PV) inverter with a new Global Maximum Power Point Tracking (GMPPT) technique.
Pedro A. R. Freitas, Lucas P. Pires, Luiz C. Freitas, Enio C. Resende, Henrique T. M. Carvalho, Luiz C. G. Freitas, Gustavo B. Lima   +6 more
doaj   +1 more source

An Improved Partial Shading Detection Strategy Based on Chimp Optimization Algorithm to Find Global Maximum Power Point of Solar Array System

Energies, 2022
A PV system’s operation highly depends on weather conditions. In case of varying irradiances or load changes, there is a power mismatch between various modules of the PV array.
Muqaddas Elahi, Hafiz Muhammad Ashraf, Chul-Hwan Kim   +2 more
doaj   +1 more source