A Comparative Study of Perturb and Observe (P&O) and Incremental Conductance (INC) PV MPPT Techniques at Different Radiation and Temperature Conditions

Ahmad, Marwan E.; Numan, Ali H.; Mahmood, Dhari Y.

doi:10.30684/etj.v40i2.2189

	A Comparative Study of Perturb and Observe (P&O) and Incremental Conductance (INC) PV MPPT Techniques at Different Radiation and Temperature Conditions
Engineering and Technology Journal
Article 10, Volume 40, Issue 2, February 2022, Pages 376-385 PDF (1.18 M)
Document Type: Research Paper
DOI: 10.30684/etj.v40i2.2189
Authors
Marwan E. Ahmad^* ¹; Ali H. Numan²; Dhari Y. Mahmood³
¹Electrical Engineering Dept., University of Technology-Iraq, Alsina’a Street, 10066 Baghdad, Iraq
²Electrical Engineering Dept., University of Technology-Iraq, Alsina’a Street, 10066 Baghdad, Iraq.
³Electrical Engineering Dept., University of Technology-Iraq, Alsina’a Street, 10066 Baghdad, Iraq
Abstract
The biggest challenge in the solar system is to extract the maximum output power from photovoltaic (PV) panels under different solar radiation and temperature conditions. This paper presents a comparative study between perturb and observe (P & O) and incremental conduction (INC) algorithms. These are the most popular algorithms for tracking solar PV panels and extracting the maximum power point (MPP) under different climate conditions. The studied PV system and the MPPT techniques have been investigated by simulation using MATLAB/Simulink. The simulation includes a boost converter, which increases the PV panel voltage by controlling the duty cycle. The obtained results show that the P & O performance close to MPP under constant test conditions (STC) is better than the variable conditions due to oscillation. In contrast, the performance of the INC algorithm is better than P & O in terms of speed to reach MPP, accuracy, and quality under changes in radiation and temperature conditions
Highlights
Extract the maximum output power from photovoltaic (PV) panels under different solar radiation and temperature conditions. A comparative study between perturb and observe (P & O) and incremental conduction (INC) algorithms.observe (P & O) and incremental conduction(INC) algorithms. The boost converter design increases thevoltage of the photovoltaic panel by controlling the duty cycle. The performance of the INC algorithm is better than that of P & O
Keywords
Solar PV panel; PV Characteristics; STC; Boost converter; MPPT; P&O Algorithm INC Algorithm

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