Maximum Power Extraction from a Photovoltaic Panel Connected to a Multi-cell Converter
This article presents a control strategy to extract the maximum power point (MPP) for a solar a photovoltaic (PV) system. The Perturb and Observe (P&O) technique is used as a DC converter controller to operate the photovoltaic panels at the highest po
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Akli Mohnd Oulhadj University of Bouira, Bou¨ıra, Algeria [email protected] 2 Electrical Engineering Advanced Technology Laboratory (LATAGE), University Mouloud Mammeri of Tizi-Ouzou, Tizi Ouzou, Algeria ml [email protected], akim [email protected], [email protected] 3 Robotics and Internet-of-Things Lab (RIOTU), Prince Sultan University, Riyadh, Saudi Arabia [email protected] 4 Faculty of computers and Artificial Intelligence, Benha University, Benha, Egypt [email protected] 5 Faculty of Engineering, Cairo University, Giza, Egypt [email protected] 6 Universidad Tecnol´ ogica Centroamericana (UNITEC), Tegucigalpa, Honduras [email protected]
Abstract. This article presents a control strategy to extract the maximum power point (MPP) for a solar a photovoltaic (PV) system. The Perturb and Observe (P&O) technique is used as a DC converter controller to operate the photovoltaic panels at the highest power value in different weather conditions. To improve the quality and performance of MPPT control (P&O), the conventional converter is replaced by a multicell converter to achieve these improvements. The simulation results showed good performance of the suggested converter. The voltage balance of the two floating capacitors is successfully obtained and an extraction of the maximum power is obtained. Keywords: Multi cell converter · Maximum Power Point Tracking (MPPT) · Perturb and Observe · Photovoltaic system
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Introduction
Important has made strides in the past few years in the study and development of clean energy technologies such as wind, sea wave and solar energy technologies [1,2,15,16]. Between those resources, solar energy is considered as one of
c The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2021 A. E. Hassanien et al. (Eds.): AISI 2020, AISC 1261, pp. 873–882, 2021. https://doi.org/10.1007/978-3-030-58669-0_77
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the most resourceful, fewer toxic process, harmless and noiseless. Like a major systems using solar energy, PV process is of increasing interest in the last years [7,10,21]. Unfortunately, the PV system has a disadvantage, which is basically due to its low energy conversion rate caused by the nonlinear characteristic of the photovoltaic generator. To solve such a problem, a maximum power point tracking (MPPT) strategy is necessary to reach the MPP of the PV generator under different working conditions [5,6,8,12,22]. The MPPT method might be dependent or independent on array model. In the first case, dependent methods are used to generate (offline) a database of parameters (Vref and/or duty cycle) which ensure producing the PV maximum power. To do this, these methods use the collected data from a set of typical power (Ppv ) curves according to the voltage (Vpv ) of the PV systems under different irradiances and temperatures conditions. Following these conditions (irradiance and temperature), Vref and/or duty cycle corresponding to the MPP are selected from the (Vref and or/duty cycle) database [
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