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10 results on '"Boussahoua, Bouziane"'

3. Photovoltaic Generator modeling based on Look Up Table approach and implementation on STM32F407 board of the Perturb&Observe algorithm based MPPT

Author

Djoudi Abdelhak, Menaa Mohamed, Fekkak bouazza, and Boussahoua Bouziane

Subjects
Solar battery, Maximum power principle, Computer science, Photovoltaic system, Boost converter, Lookup table, MATLAB, Grid, computer, Algorithm, Maximum power point tracking, computer.programming_language
Abstract

The maximum power point tracking (MPPT) technique is very essential in photovoltaic (PV) systems. It is used in the case of solar battery charge controllers or in the case of the grid connected PV systems without storage facilities. In the latter case, MPPT main role is to ensure production of the maximum power from solar panels in order to inject it into the electrical distribution grid. In this paper we are interested to study the Perturb and Observe (P&O) algorithm based MPPT. For this purpose, a DC-DC boost converter is used with resistive receptor connected to its output. On the other hand, experimental data collected from a real PV module are used for PV Generator (PVG) modeling. This is done by implementing this data in the Lookup-table block which is the main component of the PVG model. This later can mimic the behavior of the real PV module. Simulations under MATLAB/Simulink are carried out in order to verify the performance of the studied MPPT. This latter is thereafter implemented on the STM32F407-VG Board to be validated using the PIL test.

Published
2018

4. PIL Test for Voltage Source Inverter control used in Off-grid PV system

Author

Menaa Mohamed, Loukriz Abdelhamid, Boussahoua Bouziane, and Fekkak bouazza

Subjects
business.industry, Computer science, 020209 energy, 020208 electrical & electronic engineering, Photovoltaic system, Electrical engineering, 02 engineering and technology, law.invention, Phase-locked loop, Charge controller, Backup, law, 0202 electrical engineering, electronic engineering, information engineering, Inverter, business, Transformer, MATLAB, computer, Voltage, computer.programming_language
Abstract

This paper treats the case of the off-grid photovoltaic (PV) system, feeding a three-phase resistive load and working only during sunlight availability. In this case, backup batteries are not used. So, no charge controller is needed, neither any DC-DC power converter as long as the PV generator (PVG) delivers a voltage greater to a certain value that keeps good functionality of the inverter. Thus, this PV chain is reduced only to PV array and three-phase voltage source inverter (3-ph-VSI), followed by (delta/wye) transformer. The discrete virtual Phase Locked Loop (PLL) is used to generate a fixed frequency (50 Hz). The proposed system topology allows designing a low cost system, and providing necessary power that can meet the daytime load demand. Next, Processor in the Loop (PIL) method is performed in order to test the hardware implementation of the inverter control algorithm already simulated with MATLAB/ Simulink. This is done by creating the PIL block which will be run in the STM32F407-VG discovery board, while the plant model will be simulated in the host computer. The ST-LINK communication interface is used to connect the host computer to the embedded board.

Published
2018

10. Processor in the loop test for algorithms designed to control power electronics converters used in grid‐connected photovoltaic system.

Author

Fekkak, Bouazza, Menaa, Mohamed, Boussahoua, Bouziane, and Rekioua, Djamila

Subjects
CONVERTERS (Electronics), POWER electronics, TEST design, SMALL scale system, PHASE-locked loops
Abstract

Summary: Enhancement of photovoltaic (PV) system efficiency based on simple testing techniques is one of the most promising solutions. This is due to its low cost and easy implementation. This paper shows a way to develop applications based on a new method of operating the STM32F407‐VG board. Thereafter, the processor in the loop (PIL) test can easily be conducted. This method requires an FT232RL USB‐UART converter board as an external serial communication interface that can replace the frequently used internal STLink communication interface. The main advantage of this external device lies in the setting of its baud rate using the aliasing technique. This technique can provide an efficient solution to transfer data from the embedded board to the computer and vice versa at high baud rate. The PIL testing becomes faster and therefore more flexible. The studied case is a grid‐connected small scale PV system. The produced power from the PV generator (PVG) is injected into the grid. The incremental conductance (INC) algorithm‐based maximum power point tracking (MPPT) technique is developed for extracting the maximum power from the PVG. The dq current control method is presented for the three phase voltage source inverter (3‐ph VSI). Further, a scenario of frequency changes in the grid is chosen in order to verify the phase‐locked loop (PLL) ability to track the grid phase angle. The simulation results under MATLAB/Simulink show the efficiency of both controllers and dynamic behavior of the full PV chain. Next, the proposed PIL test is performed by automatically generating the C code from both control algorithms using the Simulink features. This C code is implemented on the STM32F407‐VG board that acts as an external controller meanwhile the plant is still running on the host computer. The PIL test results show that the controllers simulated under MATLAB/Simulink behave in the same way once executed on the embedded board [ABSTRACT FROM AUTHOR]

Published
2020
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