Conference Papers by Aboubakr El Hammoumi
SN Applied Science , 2020
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IOP Conference Series: Earth and Environmental Science
The high cost of commercial PV emulators requires finding new solutions for building
low-cost sys... more The high cost of commercial PV emulators requires finding new solutions for building
low-cost system having similar behavior of PV panel. In this work, we present a low-cost
emulator using a variable DC supply with a series variable resistor; based the maximum power transfer theorem. On the other hands, a study of the behavior of this emulator is done. The results of experiments test are shown that our PV emulator can provide a simple, efficient and a lowcost way for researchers to test and verify their MPPT algorithms in a laboratory environment.
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IOP Conference Series: Earth and Environmental Science, 2018
This paper describes a virtual instrument based on a low-cost embedded board to monitor and plot ... more This paper describes a virtual instrument based on a low-cost embedded board to monitor and plot the PV panel characteristics under real operation condition. The system design is based on a low-cost Arduino acquisition board in which the ATMega328 microcontroller is integrated. The acquisition is made through a low-cost current and voltage sensors and the data are transmitted in LabVIEW by using LIFA Interface for Arduino. Hence, the I-V (current-voltage) and P-V (power-voltage) characteristics for PV panel, which processed under actual conditions, can be obtained and plotted directly on a monitoring platform in LabVIEW. The proposed instrument can be used for educational or research purposes using a low-cost and easily hardware without having extensive knowledge about electronic engineering. The present instrumentation technique provides easy access to the collected data for further analysis. 1. Introduction The increasing demand for energy in line with the world's challenge to reduce the use of fossil fuels, which pollute the environment, has greatly increased interest in renewable energy sources (RES) [1], [2]. PV solar power is one of the RES for electricity generation and it is the most popular in the world because of the continuous evolution of PV technology and lower prices [3]. As a result of the popularity of PV solar power, many researchers around the world are working in this field of science to contribute to the current knowledge about this technology and improve its cost-effectiveness. Therefore, they must have scientific instruments to conduct the required experiments. Tracing of PV characteristics (current-voltage (I-V) and power-voltage (P-V) curves) of a PV device is the most important and basic experiment test, that should be performed by any researcher or anyone interested in PV technology, to obtain information about its behavior and performance [4]. Different traditional instruments are used in order to acquire the PV panel characteristics such as Multimeters. Nevertheless, by using this kind of instrument, there is a high probability that the characteristics obtained and traced manually do not give enough information about the PV device state because it can not be taken directly in real-time [5]. In addition, the experiments test are tiring and require a lot of time. On the other hand, different commercial data loggers are available for purchase on the internet for virtual instrumentation of PV panel characteristics [6], [7], such as the DAQPro 5300 [8] and the CAMPBELL Scientific CR800 [9]. Generally, the most data loggers are too expensive and demand to be coupled with special software, which increased cost and requiring additional specific skills. In addition, they have many disadvantages that make them customized for specific applications, limited in terms of the input voltage and the number of input/ output channels, inadequate input channels for the connection of some sensors. For these reasons, we must design and developed new data instruments that
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One of the major challenges of all nations today is to find new energy sources to meet the needs ... more One of the major challenges of all nations today is to find new energy sources to meet the needs for continued growth in Energy Term. The conversion of sunlight into electricity via photovoltaic solar cells is becoming a necessity in particular through the observation of a global evolution in clean energy that respects the environment. The main challenge is to optimize as much as possible the cost / energy ($/watt) ratio thus boosting both energy performance and at the same time take full advantage of the sun's rays throughout the day.In this context the sun trackers are such devices for efficiency improvement.
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Papers by Aboubakr El Hammoumi
Energy Reports, 2022
Photovoltaic (PV) systems are gaining more and more visibility as the world power demand is incre... more Photovoltaic (PV) systems are gaining more and more visibility as the world power demand is increasing. Unconditional power source availability, ease of implementation, and environmental friendliness of these systems are their major advantages. Nonetheless, the high initial cost and low conversion efficiency of solar PV panels, as well as the intensive use of land, stand as their major drawbacks. Over the years, several improvements have been made by manufacturers, research centers and researchers around the globe to overcome the most significant drawbacks of PV systems and to improve their performance. These improvements are made either at the materials level, such as increasing the conversion efficiency of PV panels while minimizing manufacturing costs, or at the entire system level, such as maximizing or optimizing the power drawn from PV panels. MPPT controllers, cooling systems, cleaning systems, solar tracking systems, and floating PV systems are the most popular techniques that have been introduced to increase the performance of PV systems and for making the maximum usage possible out of the available solar energy. This paper mainly focuses on PV power optimization using solar tracking and floating PV systems, as they are currently among the hot topics in solar power generation and are gaining the interest of researchers around the globe, especially floating PV systems that have emerged recently. Therefore, this paper provides a comprehensive review on these two technologies, including their concepts, benefits, and drawbacks, as well as a summarized review of literature on these topics. In addition to this, a brief introduction about solar PV energy from material to use is given in this paper.
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Cleaner Engineering and Technology, 2022
Due to its several powerful characteristics, the Grey Wolf Optimization (GWO) algorithm has recen... more Due to its several powerful characteristics, the Grey Wolf Optimization (GWO) algorithm has recently become widely used in numerous optimization problems. In photovoltaic (PV) systems, power-voltage (P-V) curves present multiple maxima in case of partial shadow or modules mismatch which can be viewed as an optimization problem. In this paper, a GWO-based maximum power tracking (MPPT) algorithm for PV systems operating under partial shading conditions (PSCs) is proposed. With a direct control method, the proposed GWO-based MPPT allows successfully catching the global maximum power point (GMPP) of the PV array in case of uniform and non-uniform solar irradiation. To evaluate the effectiveness of the proposed MPPT scheme, a cosimulation combining Matlab/Simulink™ and Cadence/Pspice™ software environments is carried out and tested under various static and dynamic shading conditions. Furthermore, the tracking performance is compared with that of the particle swarm optimization (PSO) and classical perturb and observe (P&O) based MPPT methods under transient PSCs and also under inhomogeneous real conditions of Algerian sky. The simulation results have demonstrated the satisfactory performances of the proposed approach in terms of tracking efficiency and tracking speed over the other MPPT methods.
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Energy Reports, 2018
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Advanced Technologies for Solar Photovoltaics Energy Systems, 2021
Internet of Things (IoT) technologies, along with economies of scale and advances in hardware, so... more Internet of Things (IoT) technologies, along with economies of scale and advances in hardware, software, and network technologies, have accelerated the explosion of connected objects across the Internet. A connected object can be controlled online from an IoT platform and can send, receive, and process various and varied data. In this chapter, we leverage some of the IoT technologies to propose a simple and low-cost IoT solution to monitor and control a smart dual-axis solar tracker system for performance evaluation. The solution also includes alert notifications to inform a remote user through phone or mail (or both) when a sensor has reached a certain predefined event. The solution is designed based on low-cost and easy-to-use hardware and software and an online open-source IoT platform. The design aspects of the IoT-based solar tracker are extensively described in this chapter. Moreover, a prototype of the IoT-based solar tracker has been manufactured and tested. Test results demonstrate that solar tracker data can be sent easily and properly and can be directly monitored online, as well as the solar tracker, can take commands from the IoT monitoring application.
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Energies
The real implementation of the maximum power point tracking (MPPT) controllers for the photovolta... more The real implementation of the maximum power point tracking (MPPT) controllers for the photovoltaic (PV) systems is still a big challenge for researchers working in this field. Often, they use simulation tools to assess the performance of their MPPT algorithms before actual implementation. In this context, this paper aims to propose a trusted simulation of a PV system designed under Proteus software. The proposed PV simulator can be used to verify and evaluate the performance of MPPT algorithms with a closer approximation to the real implementation. The main advantage of this model that it contains a real microcontroller, as can be found in reality, so that same code for the MPPT algorithm used in the simulation will be used in real implementation. In contrast, when using (Powersim Software) PSIM or Matlab/Simulink, the code of the algorithm must be rewritten once the real experiment begins, because these tools don’t provide a microcontroller or an electronic board in which our algo...
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Journal of Cleaner Production
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Euro-Mediterranean Journal for Environmental Integration
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inventions, 2020
This concept paper describes a device consisting of a disinfectant wristband for the hands of the... more This concept paper describes a device consisting of a disinfectant wristband for the hands of the wearer and objects that the wearer intends to touch. This wristband can be powered automatically by the movement of the user's hand or by solar cells or, if necessary, by a power outlet. It disinfects the surface of the hands and the objects in front of them using an ultraviolet (UV) lamp. Control and monitoring can be carried out automatically or manually, which guarantees complete and effective disinfection. The electronic control system, which is fully integrated into the UV emitter head, regulates the intensity and duration of the UV radiation and also manages the electrical energy. In addition, the wristband can be fitted with an optional watch to improve its decoration and ergonomics. The device in question has a compact, elegant, and practical shape. This hand sanitizing wristband can be an effective tool in the fight against the current COVID-19 pandemic and, in general, help to address the health challenges related to hygiene and disease prevention.
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Sustainable Energy Technologies and Assessments, 2019
This work develops an open hardware/Software Test bench for solar tracker. The proposed prototype... more This work develops an open hardware/Software Test bench for solar tracker. The proposed prototype is based on a dual axis solar tracker controlled with Arduino Uno which is an open-source prototyping platform based on easy-to-use hardware and software. The solar tracker can be controlled automatically with the help of Light Dependent Resistor (LDR) sensors or manually using a potentiometer. Moreover, this test bench provides a virtual instrumentation based on Excel in which its solar tracker data can be recorded and presented. The hardware used has been chosen to be inexpensive, compact and versatile. The proposed test bench enables large-scale solar tracker research, innovative new curriculum, and solar tracker outreach to younger students. A test of all its functionalities is done, the results show that it is flexible, easy to use. For instance, it can be used indoors using a lamp.
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This paper presents the design and practical implementation of a simple active dual- axis solar t... more This paper presents the design and practical implementation of a simple active dual- axis solar tracker (DAST) to track the sun’s movement by using fewer components and low- cost as well. A dual- axis mechanism is developed in order to tilt the PV panel by two servo motors facing the highest intensity of sunlight captured by LDR sensors, which are placed in the four corners of PV panel. The DAST prototype was constructed practically and tested using a real- time virtual instrument based on Excel to determine its efficiency. Moreover, a comparison based on experimental results between the energy produced by the proposed smart DAST and a fixed panel shows that the smart DAST produces 36.26% more energy compared to the fixed panel. The proposed active DAST can be easily implemented without possessing deep knowledge about solar tracking technologies and electronic engineering.
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This paper presents a study of a low-cost photovoltaic (PV) emulator to test the real implementat... more This paper presents a study of a low-cost photovoltaic (PV) emulator to test the real implementation of maximum power point tracking (MPPT) algorithm. This PV emulator is composed of a variable DC supply in series with a variable resistor; it is based on the maximum power transfer theorem in order to provide a curve that exhibits a peak which can be tracked by an MPPT algorithm. Moreover, this emulator can be used to test the performance of the MPPT algorithm under fast variation of the solar irradiance and temperature. For this reason, the P&O MPPT algorithm with a boost DC-DC converter is used in order to validate the functionality of the PV emulator. Finally, the experimental results show that our PV emulator can provide a simple, efficient and low-cost way for users (researchers, engineers, students, etc.) to test and validate their MPPT algorithms.
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This paper presents a low-cost solution of virtual instrumentation to provide a new technique for... more This paper presents a low-cost solution of virtual instrumentation to provide a new technique for real-time instrumentation of the PV panel characteristics such as voltage, current and power. The system design is based on a low-cost Arduino acquisition board. The acquisition is made through a low-cost current and voltage sensors, and data are presented in Excel by using the PLX-DAQ data acquisition Excel Macro, which allows communication between the ATMega328 microcontroller of an Arduino UNO board and the computer by UART bus. Hence, the I--V and P--V characteristics, which processed under real-time conditions, can be obtained directly and plotted on an Excel spreadsheet without needing to reprogram the microcontroller. A comparison between this low-cost virtual instrumentation and the traditional instrumentation is drawn in this work. It is found that our solution presents several benefits compared to the traditional solution such as the data can be presented in graphical form in real time. Thus, several experimental tests to confirm the effectiveness of the developed virtual instrumentation system are presented in this study.
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Energy Reports
This work aims firstly to extract parameters lacked in the manufacturers' datasheet by using a si... more This work aims firstly to extract parameters lacked in the manufacturers' datasheet by using a simple tool provided by PSIM and then model the PV panel. This model is validated using experimental data. In addition, this work presents the effect of solar irradiation and temperature on the performance of the PV panel. Next, this work will demonstrate that existing algorithms such as perturb and observe and incremental conductance respond inaccurately when solar irradiation is increased. For that a modified incremental conductance algorithm is presented, the latter can respond accurately when solar irradiation is increased and reduce the steady-state oscillations. Finally, 'software-in-the-loop' simulation for the conventional and the modified algorithms is made. Thus a quantitative analysis on the amount of energy loss for rapid change of environmental conditions in the modified method with existing INC and P&O methods is done. The results show that the modified algorithm makes an accurate response once the solar irradiation is increased with fast response and high efficiency. Hence, the loss of energy is minimized.
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Thesis by Aboubakr El Hammoumi
Considering the high initial capital cost of photovoltaic (PV) panels and their low conversion ef... more Considering the high initial capital cost of photovoltaic (PV) panels and their low conversion efficiency, it is crucial to optimize the power output from panels in order to improve the economic viability of the overall system. In this context, one of the main objectives of this thesis is to introduce relevant concepts to maximize the PV energy yield by using solar trackers and floating PV systems. These new improvement pathways are promising, and their technical assessment is as such extremely vital to promote the PV market.
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Within this thesis, findings related to new research questions about solar PV systems were reported via practical and experimental self-developed concepts that can be used for both research and educational purposes.
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La maison intelligente est définie comme une résidence équipée de plusieurs technologies qui vise... more La maison intelligente est définie comme une résidence équipée de plusieurs technologies qui vise à assister l’habitant dans les situations diverses de la vie domestique en améliorant le confort et simplifient un certain nombre de tâches.
La domotique regroupe les technologies de l’électronique, de l'automatique, de l’informatique et des télécommunications permettant d’améliorer le confort (commande à distance d'appareils ou équipement, gestion d’arrosage…), la sécurité (protection contre les intrusions, détection d'incendie…), la communication et la gestion d’énergie (gestion du climatiseur, d’éclairage …).
C’est dans ce cadre que se situe notre projet, où nous avons développé un système domotique et l'implanter dans un prototype, ce système permet aux utilisateurs de piloter, contrôler et de surveiller les dispositifs domestiques localement ou à distance via une application Web ou via une application Android, en utilisant 4 cartes Arduino comme des cerveaux de notre système et on exploitant les protocoles de communication Wifi et Bluetooth.
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Conference Papers by Aboubakr El Hammoumi
low-cost system having similar behavior of PV panel. In this work, we present a low-cost
emulator using a variable DC supply with a series variable resistor; based the maximum power transfer theorem. On the other hands, a study of the behavior of this emulator is done. The results of experiments test are shown that our PV emulator can provide a simple, efficient and a lowcost way for researchers to test and verify their MPPT algorithms in a laboratory environment.
Papers by Aboubakr El Hammoumi
Thesis by Aboubakr El Hammoumi
....
Within this thesis, findings related to new research questions about solar PV systems were reported via practical and experimental self-developed concepts that can be used for both research and educational purposes.
La domotique regroupe les technologies de l’électronique, de l'automatique, de l’informatique et des télécommunications permettant d’améliorer le confort (commande à distance d'appareils ou équipement, gestion d’arrosage…), la sécurité (protection contre les intrusions, détection d'incendie…), la communication et la gestion d’énergie (gestion du climatiseur, d’éclairage …).
C’est dans ce cadre que se situe notre projet, où nous avons développé un système domotique et l'implanter dans un prototype, ce système permet aux utilisateurs de piloter, contrôler et de surveiller les dispositifs domestiques localement ou à distance via une application Web ou via une application Android, en utilisant 4 cartes Arduino comme des cerveaux de notre système et on exploitant les protocoles de communication Wifi et Bluetooth.
low-cost system having similar behavior of PV panel. In this work, we present a low-cost
emulator using a variable DC supply with a series variable resistor; based the maximum power transfer theorem. On the other hands, a study of the behavior of this emulator is done. The results of experiments test are shown that our PV emulator can provide a simple, efficient and a lowcost way for researchers to test and verify their MPPT algorithms in a laboratory environment.
....
Within this thesis, findings related to new research questions about solar PV systems were reported via practical and experimental self-developed concepts that can be used for both research and educational purposes.
La domotique regroupe les technologies de l’électronique, de l'automatique, de l’informatique et des télécommunications permettant d’améliorer le confort (commande à distance d'appareils ou équipement, gestion d’arrosage…), la sécurité (protection contre les intrusions, détection d'incendie…), la communication et la gestion d’énergie (gestion du climatiseur, d’éclairage …).
C’est dans ce cadre que se situe notre projet, où nous avons développé un système domotique et l'implanter dans un prototype, ce système permet aux utilisateurs de piloter, contrôler et de surveiller les dispositifs domestiques localement ou à distance via une application Web ou via une application Android, en utilisant 4 cartes Arduino comme des cerveaux de notre système et on exploitant les protocoles de communication Wifi et Bluetooth.