Zineb Cabrane

Bio: Zineb Cabrane is an academic researcher from Mohammed V University. The author has contributed to research in topics: Photovoltaic system & Energy storage. The author has an hindex of 3, co-authored 12 publications receiving 131 citations.

Battery and supercapacitor for photovoltaic energy storage: a fuzzy logic management

Abstract: This study presents an approach of the voltage regulation of DC bus for the photovoltaic energy storage by using a combination of batteries and supercapacitors (SCs). The batteries are used to meet the energy requirements for a relatively long duration, whereas the SCs are used to meet the instantaneous power demand. The energy management strategy is developed to manage the power flows between the storage devices by choosing the optimal operating mode, thereby to ensuring the continuous supply of the load by maintaining the state-of-charge (SoC) of SCs (SoC sc ) and the SoC of the batteries (SoC bat ) at acceptable levels. This energy management strategy is performed by using the fuzzy logic supervisor. The validation results prove the effectiveness of the proposed strategy.

Fuzzy Logic-Integral Backstepping Control for PV Grid-Connected System with Energy Storage Management

Abstract: To solve the problems of nonlinearity and power fluctuation linked on the Photovoltaic panel (PV) connected storage system and grid, because of the temperature and irradiation variation. We integrated three parts of the control. The first part, dedicated to developing an algorithm to eliminate the nonlinearity; therefore, we have obtained the Maximum Power Point Tracking (MPPT) via the control of the duty cycle of DC/DC boost converter. Consequently, to achieve the MPPT, we combined between tow algorithms Fuzzy Logic and Integral Backstepping (Fuzzy Logic-Integral Backstepping Controller) as a new strategy of MPPT. This MPPT based on the performances of the Fuzzy Logic Controller (FLC) as an estimator of the reference voltage, next, we apply the Integral Backstepping approach to generate the law control founded on the Lyapunov theory to augment the robustness and stability of the PV connected storage system and grid. Then, in the second part of the control, we add a Batteries Energy Storage System with a control management algorithm in the DC/DC side to eliminate any fluctuation of the output power of the PV system. In the third part of the control linked to the grid side, we use the three-phase Voltage Source Inverter Control (VSIC) as a charge controller for the stability of the grid parameters.

Electrical and Mathematical Modeling of Supercapacitors: Comparison

Abstract: Supercapacitors are energy storage devices with high electrical power densities and long spanlife. Therefore, supercapacitor-based energy storage systems have been employed for a variety of applications. The modelling and simulation of SCs have been of great interest to this objective. This paper presents an electrical schema and mathematical modelling of three models of supercapacitors. The first is the RC model, the second is the two-branch model and the third is the multi-branch model. The objective of this modelling is to choose the best model that can respect the same behaviour of the experimental model. These models are compared with an experimental model. This comparison prove that the response voltage of the multi-branch model correctly describes the behaviour of the experimental model of Belhachemi. The disadvantage of this model is the slow simulation duration in MATLAB/Simulink. The RC model represented the faster model in terms of simulation. The choice of 15 branches in parallel in multi-branch models gives good results and correctly describes the reel model. The automatic charge and discharge voltage of SCs reduce by reducing the charge current.

Hybrid energy storage system for microgrids applications: A review

Abstract: Energy storages introduce many advantages such as balancing generation and demand, power quality improvement, smoothing the renewable resource’s intermittency, and enabling ancillary services like frequency and voltage regulation in microgrid (MG) operation. Hybrid energy storage systems (HESSs) characterized by coupling of two or more energy storage technologies are emerged as a solution to achieve the desired performance by combining the appropriate features of different technologies. A single ESS technology cannot fulfill the desired operation due to its limited capability and potency in terms of lifespan, cost, energy and power density, and dynamic response. Hence, different configurations of HESSs considering storage type, interface, control method, and the provided service have been proposed in the literature. This paper comprehensively reviews the state of the art of HESSs system for MG applications and presents a general outlook of developing HESS industry. Important aspects of HESS utilization in MGs including capacity sizing methods, power converter topologies for HESS interface, architecture, controlling, and energy management of HESS in MGs are reviewed and classified. An economic analysis along with design methodology is also included to point out the HESS from investor and distribution systems engineers view. Regarding literature review and available shortcomings, future trends of HESS in MGs are proposed.