Simulation of the impact of moving clouds on large scale PV-plants

Paasch, Kasper M.; Nymand, Morten; Kjær, Søren Bækhøj

doi:10.1109/pvsc.2014.6925036

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2015

2022

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Cited by 3 publications

(2 citation statements)

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“…A MATLAB GUI is presented in [135] based on [134] for demonstrating the effect of partial shading using single diode model. A tool is developed in [136] based on [134] which included arbitrary cloud by using a sliding shading matrix. A combination of [18,134] is presented in [137].…”

Section: Non-iterative Methodsmentioning

confidence: 99%

Modeling of photovoltaic system for uniform and non-uniform irradiance: A critical review

Jena

Ramana

2015

Renewable and Sustainable Energy Reviews

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Section: Non-iterative Methodsmentioning

confidence: 99%

Modeling of photovoltaic system for uniform and non-uniform irradiance: A critical review

Jena

Ramana

2015

Renewable and Sustainable Energy Reviews

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“…This condition is called non uniform irradiation condition or partial shading condition (PSC) [2]. Moving clouds can cause great inefficiency in large photovoltaics power plant due to PSC [3]. The conventional P&O (Perturb and Observe) algorithm can only track maximum power when the operation of MPPT is under UIC [4].…”

Section: Introductionmentioning

confidence: 99%

A GWO-P&O Algorithm MPPT for PV Systems Under UIC and PSC

Muyassar

Tarmizi

Away

2022

JNTE

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The operation of PV systems can experience uniform (UIC) and partial insolation (PSC) that depends on its environment. Many MPPT algorithm has been proposed in literature such as P&O, and many metaheuristics algorithm such as PSO and GWO. Those algorithm only work at a certain environmental condition. The P&O algorithm only work at UIC but fail to track maximum power at PSC hence reducing efficiency of MPPT system when it is experiencing UIC and PSC. The GWO algorithm can track maximum power at PSC but when the change of insolation to UIC can shift power output below maximum power hence reducing efficiency of MPPT system. In this paper another method is proposed by implementing the result of GWO to the input of the P&O algorithm subsequently the GWO is reset periodically to search a new maximum power point to anticipate any environmental changes. This new method is called a GWO-P&O algorithm. Simulation results show that the GWO-P&O algorithm yields better efficiency compared to the GWO or the P&O algorithm in case the modules of PV array experiencing UIC and PSCs. Simulation is done using MATLAB/SIMULINK software.

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