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Energies 2018, 11(7), 1821; https://doi.org/10.3390/en11071821

The Impact of Climate Condition on the Optimal Operation of Direct Coupled Photovoltaic Solar-Vehicle Systems

1
Laboratory of Computer Science for Industrial Systems (LISI), 676 INSAT Urban Center North BP, CEDEX, Tunis 1080, Tunisa
2
Research Laboratory in Information and Communication Technologies & Electrical Engineering (LaTICE), High National School of Engineering of Tunis (ENSIT), University of Tunis, 5 Av Taha Hussein Montfleury, Tunis 1008, Tunisia
*
Author to whom correspondence should be addressed.
Received: 20 June 2018 / Revised: 2 July 2018 / Accepted: 3 July 2018 / Published: 11 July 2018
(This article belongs to the Section Electrical Power and Energy System)

Abstract

In a photovoltaic solar-vehicle system, many factors may present disturbances and thus affect its operation. Among the disturbing parameters are the variable output voltage of the photovoltaic generator (GPV) and unbalanced irradiation throughout a day, as well as both the variable load (considered as a resistor in our case) and duty cycle. For a better quality output voltage, the optimization of the transfer power, and the protection of the photovoltaic solar vehicle system, the following is required: a constant and non-oscillating tension in the continuous bus and the extraction of the maximum power generated by the photovoltaic array under variable climatic conditions, as well as a specific model of boost converter. This paper discusses the optimization of the transfer power between the photovoltaic array and load in the first step, the study of an average model of the direct current/direct current (DC/DC) converter, and finally the design of a stable and robust tension controller. The results achieved confirm the rightness of the proposed control structure, which is simple, robust, and can secure the stability and good quality dynamics of the controlled system, as well as ensure invariance against disturbances. Also, the average model of the DC/DC converter used was found to be efficient. View Full-Text
Keywords: electric solar vehicle; maximum power point tracking; protection circuitry; feedback current control; direct current/direct current (DC/DC) boost converter electric solar vehicle; maximum power point tracking; protection circuitry; feedback current control; direct current/direct current (DC/DC) boost converter
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Jendoubi, A.; Bella, C.B.; Nsibi, W.; Bacha, F. The Impact of Climate Condition on the Optimal Operation of Direct Coupled Photovoltaic Solar-Vehicle Systems. Energies 2018, 11, 1821.

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