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Prof. Dr. Seddik Bacha
Grenoble Alpes University

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Research Keywords & Expertise

0 Energy Management
0 Renewable and Sustainable Energy
0 Power electronic control
0 electric mobility
0 power electronics for renewable energy

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Energy Management
power electronics for renewable energy
Power electronic control

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Journal article
Published: 18 February 2021 in Energies
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This paper presents a multi-objective energy management system (EMS) to manage the power dispatch of a hybrid power plant (HPP), consisting of a grid-connected wind farm and a Li-ION battery storage system on the island of Guadeloupe’s electrical grid. Via a controller based on Model Predictive Control (MPC), the EMS solves the problem of optimization by considering the production forecast data and managing several operation rules, which ensures meet energy targets considered for a sustainable power dispatching plan. The proposed strategy is tested in a PowerFactory/MATLAB co-simulation environment.

ACS Style

Rubén López-Rodríguez; Adriana Aguilera-González; Ionel Vechiu; Seddik Bacha. Day-Ahead MPC Energy Management System for an Island Wind/Storage Hybrid Power Plant. Energies 2021, 14, 1066 .

AMA Style

Rubén López-Rodríguez, Adriana Aguilera-González, Ionel Vechiu, Seddik Bacha. Day-Ahead MPC Energy Management System for an Island Wind/Storage Hybrid Power Plant. Energies. 2021; 14 (4):1066.

Chicago/Turabian Style

Rubén López-Rodríguez; Adriana Aguilera-González; Ionel Vechiu; Seddik Bacha. 2021. "Day-Ahead MPC Energy Management System for an Island Wind/Storage Hybrid Power Plant." Energies 14, no. 4: 1066.

Journal article
Published: 12 February 2021 in International Journal of Electrical Power & Energy Systems
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This paper presents a coordinated control strategy based on direct Lyapunov theory to handle the consistency of AC grids in a multi-terminal (MT) modular multilevel converter (MMC)-HVDC systems during varying both loads and DC link voltage. As the first contribution, a set of dynamic equations is proposed based on separating the dynamics of MMCs upper and lower arms state variables. The dynamics consists of only their related upper/lower arms state variables leading to more effective components for the steady state terms of proposed control technique. To develop the dynamic parts of the controller, the global asymptotical stability of MT MMC-HVDC system is assessed by direct Lyapunov method. As another advantage of the separated dynamic equations, the Lyapunov theory is able to exploit very simple decoupled components for the dynamic parts of proposed control functions. Moreover, in order to specify the variation trend of Lyapunov coefficients, further stability analysis contributes to demonstrating the effects of Lyapunov coefficients on the MMCs state variable errors and its dynamic. As another main contribution of this paper, two independent capability curves based on the power injection capability of the MMCs upper and lower arms, are obtained which will be assessed through changing the input and output voltages as well as MMC parameters. Finally, simulation results in MATLAB software are utilized to verify the validity of proposed control strategy.

ACS Style

Reza Janbazi Ghadi; Majid Mehrasa; M. Ebrahim Adabi; Seddik Bacha. Lyapunov theory-based control strategy for multi-terminal MMC-HVDC systems. International Journal of Electrical Power & Energy Systems 2021, 129, 106778 .

AMA Style

Reza Janbazi Ghadi, Majid Mehrasa, M. Ebrahim Adabi, Seddik Bacha. Lyapunov theory-based control strategy for multi-terminal MMC-HVDC systems. International Journal of Electrical Power & Energy Systems. 2021; 129 ():106778.

Chicago/Turabian Style

Reza Janbazi Ghadi; Majid Mehrasa; M. Ebrahim Adabi; Seddik Bacha. 2021. "Lyapunov theory-based control strategy for multi-terminal MMC-HVDC systems." International Journal of Electrical Power & Energy Systems 129, no. : 106778.

Research article
Published: 01 February 2021 in Control Theory and Technology
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An extended state observer (ESO)-based loop filter is designed for the phase-locked loop (PLL) involved in a disturbed grid-connected converter (GcC). This ESO-based design enhances the performances and robustness of the PLL, and, therefore, improves control performances of the disturbed GcCs. Besides, the ESO-based LF can be applied to PLLs with extra filters for abnormal grid conditions. The unbalanced grid is particularly taken into account for the performance analysis. A tuning approach based on the well-designed PI controller is discussed, which results in a fair comparison with conventional PI-type PLLs. The frequency domain properties are quantitatively analysed with respect to the control stability and the noises rejection. The frequency domain analysis and simulation results suggest that the performances of the generated ESO-based controllers are comparable to those of the PI control at low frequency, while have better ability to attenuate high-frequency measurement noises. The phase margin decreases slightly, but remains acceptable. Finally, experimental tests are conducted with a hybrid power hardware-in-the-loop benchmark, in which balanced/unbalanced cases are both explored. The obtained results prove the effectiveness of ESO-based PLLs when applied to the disturbed GcC.

ACS Style

Baoling Guo; Seddik Bacha; Mazen Alamir; Julien Pouget. A phase-locked loop using ESO-based loop filter for grid-connected converter: performance analysis. Control Theory and Technology 2021, 19, 49 -63.

AMA Style

Baoling Guo, Seddik Bacha, Mazen Alamir, Julien Pouget. A phase-locked loop using ESO-based loop filter for grid-connected converter: performance analysis. Control Theory and Technology. 2021; 19 (1):49-63.

Chicago/Turabian Style

Baoling Guo; Seddik Bacha; Mazen Alamir; Julien Pouget. 2021. "A phase-locked loop using ESO-based loop filter for grid-connected converter: performance analysis." Control Theory and Technology 19, no. 1: 49-63.

Journal article
Published: 03 November 2020 in Energies
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Variable Speed Hydro-Electric Plant (VS-HEP) equipped with power electronics has been increasingly introduced into the hydraulic context. This paper is targeting a VS-HEP Power Hardware-In-the-Loop (PHIL) real-time simulation system, which is dedicated to different hydraulic operation schemes tests and control laws validation. Then, a proper hydraulic model will be the key factor for building an efficient PHIL real-time simulation system. This work introduces a practical and generalised modelling hydraulic modelling approach, which is based on `Hill Charts’ measurements provided by industrial manufacturers. The hydraulic static model is analytically obtained by using mathematical optimization routines. In addition, the nonlinear dynamic model of the guide vane actuator is introduced in order to evaluate the effects of the induced dynamics on the electric control performances. Moreover, the reduced-scale models adapted to different laboratory conditions can be established by applying scaling laws. The suggested modelling approach enables the features of decent accuracy, light computational complexity, high flexibility and wide applications for their implementations on PHIL real-time simulations. Finally, a grid-connected energy conversion chain of bulb hydraulic turbine associated with a permanent magnet synchronous generator is chosen as an example for PHIL design and performance assessment.

ACS Style

Baoling Guo; Amgad Mohamed; Seddik Bacha; Mazen Alamir; Cédric Boudinet; Julien Pouget. Reduced-Scale Models of Variable Speed Hydro-Electric Plants for Power Hardware-in-the-Loop Real-Time Simulations. Energies 2020, 13, 5764 .

AMA Style

Baoling Guo, Amgad Mohamed, Seddik Bacha, Mazen Alamir, Cédric Boudinet, Julien Pouget. Reduced-Scale Models of Variable Speed Hydro-Electric Plants for Power Hardware-in-the-Loop Real-Time Simulations. Energies. 2020; 13 (21):5764.

Chicago/Turabian Style

Baoling Guo; Amgad Mohamed; Seddik Bacha; Mazen Alamir; Cédric Boudinet; Julien Pouget. 2020. "Reduced-Scale Models of Variable Speed Hydro-Electric Plants for Power Hardware-in-the-Loop Real-Time Simulations." Energies 13, no. 21: 5764.

Journal article
Published: 01 September 2020 in IEEE Transactions on Smart Grid
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ACS Style

Reza Razi; Hossein Iman-Eini; Mohsen Hamzeh; Seddik Bacha. A Novel Extended Impedance-Power Droop for Accurate Active and Reactive Power Sharing in a Multi-Bus Microgrid With Complex Impedances. IEEE Transactions on Smart Grid 2020, 11, 3795 -3804.

AMA Style

Reza Razi, Hossein Iman-Eini, Mohsen Hamzeh, Seddik Bacha. A Novel Extended Impedance-Power Droop for Accurate Active and Reactive Power Sharing in a Multi-Bus Microgrid With Complex Impedances. IEEE Transactions on Smart Grid. 2020; 11 (5):3795-3804.

Chicago/Turabian Style

Reza Razi; Hossein Iman-Eini; Mohsen Hamzeh; Seddik Bacha. 2020. "A Novel Extended Impedance-Power Droop for Accurate Active and Reactive Power Sharing in a Multi-Bus Microgrid With Complex Impedances." IEEE Transactions on Smart Grid 11, no. 5: 3795-3804.

Journal article
Published: 14 July 2020 in Journal of Energy Storage
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The development of energy management techniques for photovoltaic systems with storage batteries offers users a certain flexibility. This paper, present an energy management strategy applied to a photovoltiac system including batteries storage and fuel cells system. To test the feasibility of the proposed strategy, the system was designed to supply a house with a consumption of 2,808 kWh/day. The chosen site is Bejaia, a coastal city in eastern Algeria where the solar potential reaches 1.2 kWh/m²/day. Each subsystem is designed to determine the optimal number of components to supply the desired load. In order to manage these different sources, an energy supervision was applied. The PV power has been optimized using fuzzy logic controller (FLC). Due to the proposed supervision, there was an excess photovoltaic power which is used to supply an electrolyzer and charge the batteries. Three important scenarios have been used to show the improvements of the supervision which protect the batteries and allow us to obtain an uninterrupted power load. Tests were realized under different meteorological conditions Results obtained by simulation under Matlab/Simulink are presented and analyzed. Finally, in order to highlight the feasibility of the system, an economic study was carried out using Homer Pro software. The application has been made under Matlab/Simulink (Fig. 17) on two different days corresponding to a sunny and a cloudy day measured at the chosen site (Fig. 18).

ACS Style

Hanane Hassani; Faika Zaouche; Djamila Rekioua; Saloua Belaid; Toufik Rekioua; Seddik Bacha. Feasibility of a standalone photovoltaic/battery system with hydrogen production. Journal of Energy Storage 2020, 31, 101644 .

AMA Style

Hanane Hassani, Faika Zaouche, Djamila Rekioua, Saloua Belaid, Toufik Rekioua, Seddik Bacha. Feasibility of a standalone photovoltaic/battery system with hydrogen production. Journal of Energy Storage. 2020; 31 ():101644.

Chicago/Turabian Style

Hanane Hassani; Faika Zaouche; Djamila Rekioua; Saloua Belaid; Toufik Rekioua; Seddik Bacha. 2020. "Feasibility of a standalone photovoltaic/battery system with hydrogen production." Journal of Energy Storage 31, no. : 101644.

Journal article
Published: 11 April 2020 in Energy
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This paper investigates the energy management of a fuel cell/ultra-capacitor hybrid electric vehicle (FCHEV) under uncertainty. In addition to fuel economy and fuel cell (FC) system slow dynamics, solutions’ robustness is also considered as a key performance criterion. As previous studies focus on expected optimal performance under a deterministic framework and ignore possible data ambiguity, this paper considers uncertainties affecting power production, conversion and demand levels. Changing operation conditions, modeling and estimation claim several sources of errors. In practice, ignoring such uncertainties leads to high operation cost, poor overall system efficiency, performance failure and even infeasible solutions due to constraints violation. A robust optimization (RO) based energy management system (EMS) is studied in order to ensure optimal yet robust performance under uncertain parameters. The adopted RO based algorithm includes uncertainty in the cost function and constraints set and thus protects the system performance from feasibility and optimality issues. As RO approach is considered over conservative, conservatism level parameters are introduced to enable more flexible decision making and performance cost. Three different optimization case studies, namely classical deterministic, complete robust and variable conservatism level were investigated in order to assess the performance of the proposed approach.

ACS Style

Rayhane Koubaa; Seddik Bacha; Mariem Smaoui; Lotfi Krichen. Robust optimization based energy management of a fuel cell/ultra-capacitor hybrid electric vehicle under uncertainty. Energy 2020, 200, 117530 .

AMA Style

Rayhane Koubaa, Seddik Bacha, Mariem Smaoui, Lotfi Krichen. Robust optimization based energy management of a fuel cell/ultra-capacitor hybrid electric vehicle under uncertainty. Energy. 2020; 200 ():117530.

Chicago/Turabian Style

Rayhane Koubaa; Seddik Bacha; Mariem Smaoui; Lotfi Krichen. 2020. "Robust optimization based energy management of a fuel cell/ultra-capacitor hybrid electric vehicle under uncertainty." Energy 200, no. : 117530.

Journal article
Published: 30 March 2020 in IEEE Transactions on Control Systems Technology
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Large-scale fast-varying sinusoidal disturbances (FVSDs) strongly impact the operation of Grid-connected Converters (GcCs). A conventional extended state observer (ESO) is not sufficiently capable to deal with these rapid disturbances. This critical weakness has limited ESO's applications to GcCs. Therefore, a generalized integrator-ESO (GI-ESO) is developed from ESO to address such issues. Knowing that grid common disturbances can be expressed as a phase, frequency, or magnitude disturbed sinusoidal signal, multi-GIs of selective resonant frequencies are, hence, applied into the disturbance estimation loop, which enables FVSD to be observed with relatively low bandwidth. Besides, a frequency-adaptive mechanism is introduced in order to mitigate the effects of frequency deviations. The proposed GI-ESO resolves the tradeoff between the observer's bandwidth and noise filtering. A case of the three-phase phase-locked loop control system of disturbed regimes is, in particular, studied to assess the performance of GI-ESO and the stability of the resulting controlled system. Theoretical analysis and experimental results have proven its effectiveness in applications to GcCs in the presence of various disturbances.

ACS Style

Baoling Guo; Seddik Bacha; Mazen Alamir; Ahmad Hably; Cedric Boudinet. Generalized Integrator-Extended State Observer With Applications to Grid-Connected Converters in the Presence of Disturbances. IEEE Transactions on Control Systems Technology 2020, 29, 744 -755.

AMA Style

Baoling Guo, Seddik Bacha, Mazen Alamir, Ahmad Hably, Cedric Boudinet. Generalized Integrator-Extended State Observer With Applications to Grid-Connected Converters in the Presence of Disturbances. IEEE Transactions on Control Systems Technology. 2020; 29 (2):744-755.

Chicago/Turabian Style

Baoling Guo; Seddik Bacha; Mazen Alamir; Ahmad Hably; Cedric Boudinet. 2020. "Generalized Integrator-Extended State Observer With Applications to Grid-Connected Converters in the Presence of Disturbances." IEEE Transactions on Control Systems Technology 29, no. 2: 744-755.

Journal article
Published: 11 March 2020 in IEEE Transactions on Industrial Electronics
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The cascaded control approach is widely used to control the Modular Multilevel Converter (MMC). Such approach allows to manage all MMC state variables in a decoupling manner based on modes separation. This separation introduces conditions related to control objectives response time resulting in a slow dynamic. This will limit the use of the potential of MMC energy that is considered as a freedom for AC and DC grids ancillary services. On another side, robustness properties for a given control are also of a great interest when considering unmodelled uncertainties and disturbances. Starting from these requirements, a linear feedback dead-beat control is proposed in this paper to accelerate the inner loops and consequently the outer ones (control objectives). The proposed control, based on exact discrete-time model of the MMC in which the sampling period is considered a priory in the control design, is synthetized by taking into account the control outputs saturation. The stability proof of the control and the robustness analysis as well as experimental results under fault grid operations highlighted on small scale MMC will be presented in this paper. The comparison with a continuous-time Sliding Mode Control shows the advantage of the proposed control regarding the response time and undesired oscillation reduction

ACS Style

Ahmed Zama; Abdelkrim Benchaib; Seddik Bacha; David Frey; Sebastien Silvant; Didier Georges. Linear Feedback Dead-Beat Control for Modular Multilevel Converters: Validation Under Faults Grid Operation Mode. IEEE Transactions on Industrial Electronics 2020, 68, 3181 -3191.

AMA Style

Ahmed Zama, Abdelkrim Benchaib, Seddik Bacha, David Frey, Sebastien Silvant, Didier Georges. Linear Feedback Dead-Beat Control for Modular Multilevel Converters: Validation Under Faults Grid Operation Mode. IEEE Transactions on Industrial Electronics. 2020; 68 (4):3181-3191.

Chicago/Turabian Style

Ahmed Zama; Abdelkrim Benchaib; Seddik Bacha; David Frey; Sebastien Silvant; Didier Georges. 2020. "Linear Feedback Dead-Beat Control for Modular Multilevel Converters: Validation Under Faults Grid Operation Mode." IEEE Transactions on Industrial Electronics 68, no. 4: 3181-3191.

Journal article
Published: 01 November 2019 in Applied Energy
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ACS Style

Yaël Thiaux; Thu Thuy Dang; Louis Schmerber; Bernard Multon; Hamid Ben Ahmed; Seddik Bacha; Quoc Tuan Tran. Demand-side management strategy in stand-alone hybrid photovoltaic systems with real-time simulation of stochastic electricity consumption behavior. Applied Energy 2019, 253, 1 .

AMA Style

Yaël Thiaux, Thu Thuy Dang, Louis Schmerber, Bernard Multon, Hamid Ben Ahmed, Seddik Bacha, Quoc Tuan Tran. Demand-side management strategy in stand-alone hybrid photovoltaic systems with real-time simulation of stochastic electricity consumption behavior. Applied Energy. 2019; 253 ():1.

Chicago/Turabian Style

Yaël Thiaux; Thu Thuy Dang; Louis Schmerber; Bernard Multon; Hamid Ben Ahmed; Seddik Bacha; Quoc Tuan Tran. 2019. "Demand-side management strategy in stand-alone hybrid photovoltaic systems with real-time simulation of stochastic electricity consumption behavior." Applied Energy 253, no. : 1.

Journal article
Published: 01 April 2019 in IEEE Transactions on Industrial Electronics
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ACS Style

Seddik Bacha; Hong Li; Davis Montenegro-Martinez. Complex Power Electronics Systems Modeling and Analysis. IEEE Transactions on Industrial Electronics 2019, 66, 6412 -6415.

AMA Style

Seddik Bacha, Hong Li, Davis Montenegro-Martinez. Complex Power Electronics Systems Modeling and Analysis. IEEE Transactions on Industrial Electronics. 2019; 66 (8):6412-6415.

Chicago/Turabian Style

Seddik Bacha; Hong Li; Davis Montenegro-Martinez. 2019. "Complex Power Electronics Systems Modeling and Analysis." IEEE Transactions on Industrial Electronics 66, no. 8: 6412-6415.

Journal article
Published: 01 March 2019 in Journal of Renewable and Sustainable Energy
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ACS Style

Abdelhak Djoudi; Seddik Bacha; Hossein Iman-Eini. Efficient real-time estimation for DFIG—Performance and reliability enhancement of grid/micro-grid connected energy conversion systems. Journal of Renewable and Sustainable Energy 2019, 11, 025503 .

AMA Style

Abdelhak Djoudi, Seddik Bacha, Hossein Iman-Eini. Efficient real-time estimation for DFIG—Performance and reliability enhancement of grid/micro-grid connected energy conversion systems. Journal of Renewable and Sustainable Energy. 2019; 11 (2):025503.

Chicago/Turabian Style

Abdelhak Djoudi; Seddik Bacha; Hossein Iman-Eini. 2019. "Efficient real-time estimation for DFIG—Performance and reliability enhancement of grid/micro-grid connected energy conversion systems." Journal of Renewable and Sustainable Energy 11, no. 2: 025503.

Journal article
Published: 01 March 2019 in Control Engineering Practice
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To track the maximum power of a hydraulic turbine, the rotational speed needs to be adapted to flow rates variations, enabling higher speed tracking demands. Moreover, a Variable Speed Micro-Hydro Plant (VS-MHP) is a complex nonlinear system affected by large uncertainties. Active Disturbance Rejection Control (ADRC) can estimate and compensate the total disturbances in real-time, achieving higher robustness. A Linear-ADRC (LADRC) with the torque compensation is implemented to the speed control loop of a VS-MHP, which is tested under a real-time power Hardware-In-the-Loop benchmark. Experimental results prove its advantages for VS-MHP applications.

ACS Style

Baoling Guo; Seddik Bacha; Mazen Alamir; Amgad Mohamed; Cédric Boudinet. LADRC applied to variable speed micro-hydro plants: Experimental validation. Control Engineering Practice 2019, 85, 290 -298.

AMA Style

Baoling Guo, Seddik Bacha, Mazen Alamir, Amgad Mohamed, Cédric Boudinet. LADRC applied to variable speed micro-hydro plants: Experimental validation. Control Engineering Practice. 2019; 85 ():290-298.

Chicago/Turabian Style

Baoling Guo; Seddik Bacha; Mazen Alamir; Amgad Mohamed; Cédric Boudinet. 2019. "LADRC applied to variable speed micro-hydro plants: Experimental validation." Control Engineering Practice 85, no. : 290-298.

Conference paper
Published: 01 November 2018 in 2018 4th International Conference on Renewable Energies for Developing Countries (REDEC)
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A centralized model predictive control algorithm (MPCA) and an optimal centralized control algorithm (OCCA) are applied on main grid connected with a group of interconnected microgrids (MGs). Maximizing the profit for all of the units constituting the MGs is the primary objective in both algorithms, further the advantages of the principle grid. A forecasting information about production power, energy price and loads is needed for the application of MPCA in our study. five interconnected MGs related to the principle grid are tested in this paper using the algorithm implemented in MATLAB. The performance of the proposed algorithms has been shown especially for the benefits of MG owners at the same time as respecting the constraints associated to every considered one of them. Then the results of OCCA and MPCA are compared technically and economically for each MG.

ACS Style

Khaled Hajar; Ahmad Hably; Seddik Bacha; Ahmad Elrafhi. An economic study of control strategies for microgrids. 2018 4th International Conference on Renewable Energies for Developing Countries (REDEC) 2018, 1 -8.

AMA Style

Khaled Hajar, Ahmad Hably, Seddik Bacha, Ahmad Elrafhi. An economic study of control strategies for microgrids. 2018 4th International Conference on Renewable Energies for Developing Countries (REDEC). 2018; ():1-8.

Chicago/Turabian Style

Khaled Hajar; Ahmad Hably; Seddik Bacha; Ahmad Elrafhi. 2018. "An economic study of control strategies for microgrids." 2018 4th International Conference on Renewable Energies for Developing Countries (REDEC) , no. : 1-8.

Conference paper
Published: 01 October 2018 in 2018 7th International Conference on Renewable Energy Research and Applications (ICRERA)
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In this paper, an energy management system (EMS) based on model predictive control (MPC) and quadratic programming (QP) is presented. The control strategy manages the power performance of an island grid-connected hybrid plant composed by a wind energy conversion system (WECS) and a LiION battery energy storage system (BESS). The hybrid plant should inject power into the grid continuously, subject to a commitment band previously fixed. For this, the proposed EMS handles efficiently the battery's charge/discharge cycles and state-of-charge (SoC) to meet the generation commitments while considering the BESS lifespan. The energy management system is tested via Matlab/Simulink software by using real wind data.

ACS Style

Adriana Aguilera-Gonzalez; Ionel Vechiu; Ruben H. Lopez Rodriguez; Seddik Bacha. MPC Energy Management System For A Grid-Connected Renewable Energy/Battery Hybrid Power Plant. 2018 7th International Conference on Renewable Energy Research and Applications (ICRERA) 2018, 738 -743.

AMA Style

Adriana Aguilera-Gonzalez, Ionel Vechiu, Ruben H. Lopez Rodriguez, Seddik Bacha. MPC Energy Management System For A Grid-Connected Renewable Energy/Battery Hybrid Power Plant. 2018 7th International Conference on Renewable Energy Research and Applications (ICRERA). 2018; ():738-743.

Chicago/Turabian Style

Adriana Aguilera-Gonzalez; Ionel Vechiu; Ruben H. Lopez Rodriguez; Seddik Bacha. 2018. "MPC Energy Management System For A Grid-Connected Renewable Energy/Battery Hybrid Power Plant." 2018 7th International Conference on Renewable Energy Research and Applications (ICRERA) , no. : 738-743.

Conference paper
Published: 01 October 2018 in IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society
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The world is shifting towards Renewable Energy Sources (RES) to meet the increasing demand. With proportionally high penetration of RES, the inertia of the grid tends to fall due to the incapability of these sources to participate in control mechanism. Also, due to the indeterminacy in the generation pattern, they tend to feed small signal disturbances in the grid due to the imbalance of generation and demand, which affects the frequency stability. In this paper, the affect of inertia emulation (IE) in the grid is presented to mitigate the small signal disturbances caused due to the change in load or due to the penetration of the RES. This work has considered Electric Vehicles for the application of vehicle to grid (V2G) towards frequency control. A cooperative control method, with V2G and synchronous power controller (SPC) based HVDC links, has been proposed towards the control of the fluctuations and a considerable decrease in the deviations have been observed. Several case studies are conducted and the results are presented to proof the concept.

ACS Style

Ritu Raj Shrivastwa; Ahmad Hably; Sanjoy Debbarma; Seddik Bacha. Frequency Control Using V2G and Synchronous Power Controller based HVDC Links in Presence of Wind and PV Units. IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society 2018, 1226 -1231.

AMA Style

Ritu Raj Shrivastwa, Ahmad Hably, Sanjoy Debbarma, Seddik Bacha. Frequency Control Using V2G and Synchronous Power Controller based HVDC Links in Presence of Wind and PV Units. IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society. 2018; ():1226-1231.

Chicago/Turabian Style

Ritu Raj Shrivastwa; Ahmad Hably; Sanjoy Debbarma; Seddik Bacha. 2018. "Frequency Control Using V2G and Synchronous Power Controller based HVDC Links in Presence of Wind and PV Units." IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society , no. : 1226-1231.

Journal article
Published: 13 September 2018 in Applied Energy
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In the context of direct-current electrified railway systems, power supply quality issues are a major concern for the railway network operators. Indeed, after signaling systems and track equipment, voltage issues may be the most challenging factor for the capacity of a direct-current railway line. These issues and the high cost of new substations motivate the implementation of wayside energy storage systems to support the system. Since an appropriate sizing methodology is a key step towards an energy storage system implementation in a railway line, in this paper a sizing methodology is presented in detail. As hypothesis, the sizing methodology is defined such that the storage system is able to support the railway line under projected conditions of the rolling stock traffic, along with other technical criteria relevant to the railway operator. A real-time simulation oriented, direct-current railway network modeling approach is proposed and exploited in this sizing methodology. Using this modeling method, the optimal energy storage sizing formulation is described. The objective function to minimize is the trade-off between energy storage capacity and charging power. The proposed sizing method is applied to a real railway line with known power supply quality issues. This case study is introduced by analyzing real voltage measurements on two key sites of the line over several days. Then, the sizing methodology is applied and the results are discussed for the study case, defining the minimal technical requirements to install. The obtained minimal technical requirements for the storage system are considered by the operator to take a cost-effective decision in contrast with the reinforcement of the line with new substations.

ACS Style

Andres Ovalle; Julien Pouget; Seddik Bacha; Laurent Gerbaud; Emmanuel Vinot; Benoît Sonier. Energy storage sizing methodology for mass-transit direct-current wayside support: Application to French railway company case study. Applied Energy 2018, 230, 1673 -1684.

AMA Style

Andres Ovalle, Julien Pouget, Seddik Bacha, Laurent Gerbaud, Emmanuel Vinot, Benoît Sonier. Energy storage sizing methodology for mass-transit direct-current wayside support: Application to French railway company case study. Applied Energy. 2018; 230 ():1673-1684.

Chicago/Turabian Style

Andres Ovalle; Julien Pouget; Seddik Bacha; Laurent Gerbaud; Emmanuel Vinot; Benoît Sonier. 2018. "Energy storage sizing methodology for mass-transit direct-current wayside support: Application to French railway company case study." Applied Energy 230, no. : 1673-1684.

Journal article
Published: 28 August 2018 in IEEE Transactions on Vehicular Technology
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This paper deals with the problematic of the Plug-in Electric Vehicles charging costs in housing sector. A review of the optimal strategies is proposed and as such six algorithms are presented: three smart unidirectional and three smart bidirectional charging algorithms where the Vehicle-to-Grid and the Vehicle-to-Home concepts were exploited. In addition an innovative V2G algorithm named Optimal Logical Control (V2G-OLC) is introduced in this paper. This latter is dedicated to the French energy billing system within the peak/base hours contract. All the algorithms are tested over a set of 1000 data composed of real elements with four different Daily Energy Price profiles. The results show a great efficiency of the V2G-OLC algorithm compared to the traditional optimal charging strategies. Indeed, the results show a reduction of 47.94% of the average charging cost with a unitary selling/buying price ratio in comparison to the simple charging at 230V-32A.

ACS Style

Harun Turker; Seddik Bacha. Optimal Minimization of Plug-In Electric Vehicle Charging Cost With Vehicle-to-Home and Vehicle-to-Grid Concepts. IEEE Transactions on Vehicular Technology 2018, 67, 10281 -10292.

AMA Style

Harun Turker, Seddik Bacha. Optimal Minimization of Plug-In Electric Vehicle Charging Cost With Vehicle-to-Home and Vehicle-to-Grid Concepts. IEEE Transactions on Vehicular Technology. 2018; 67 (11):10281-10292.

Chicago/Turabian Style

Harun Turker; Seddik Bacha. 2018. "Optimal Minimization of Plug-In Electric Vehicle Charging Cost With Vehicle-to-Home and Vehicle-to-Grid Concepts." IEEE Transactions on Vehicular Technology 67, no. 11: 10281-10292.

Journal article
Published: 28 July 2018 in Renewable Energy
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This paper evaluates the effect of converter and generator losses on the maximum power point (MPP) of variable speed micro-hydropower energy conversion systems. As a case study, a semi-Kaplan micro-hydropower turbine with a permanent magnet (PM) generator and a back-to-back full converter is considered. Using the analytical model, different loss terms, such as converter losses, PM generator losses and mechanical losses are calculated at different shaft speeds. Then, the curves of turbine power and injected power to the grid are extracted as a function of turbine speed. It is shown that the maximum attainable power of the variable-speed hydropower system does not correspond to the MPP of hydraulic turbine. In other words, to get the maximum power from the whole hydropower system, it is necessary to consider power losses of the electric generator and power electronic interface between the turbine and the grid. These power losses can change the power-speed characteristics or MPP location of the hydropower system. According to this fact, the conventional MPP tracking (MPPT) algorithms which try to track the MPP of hydraulic turbines fail to extract the maximum power. Hence, a modified perturb and observe (P&O) MPP tracking algorithm is proposed for the variable speed hydropower systems to increase their efficiency. The modified tracking algorithm finds the “optimum MPP” automatically and without the extra calculations. Also, the injected power to the grid is increased 3.7% when the modified algorithm is applied to the studied case study. Finally, the validity of theoretical claims is verified by experimental tests on a 5 kW hardware prototype.

ACS Style

Hossein Iman-Eini; David Frey; Seddik Bacha; Cedric Boudinet; Jean-Luc Schanen. Evaluation of loss effect on optimum operation of variable speed micro-hydropower energy conversion systems. Renewable Energy 2018, 131, 1022 -1034.

AMA Style

Hossein Iman-Eini, David Frey, Seddik Bacha, Cedric Boudinet, Jean-Luc Schanen. Evaluation of loss effect on optimum operation of variable speed micro-hydropower energy conversion systems. Renewable Energy. 2018; 131 ():1022-1034.

Chicago/Turabian Style

Hossein Iman-Eini; David Frey; Seddik Bacha; Cedric Boudinet; Jean-Luc Schanen. 2018. "Evaluation of loss effect on optimum operation of variable speed micro-hydropower energy conversion systems." Renewable Energy 131, no. : 1022-1034.

Journal article
Published: 02 July 2018 in IEEE Journal of Photovoltaics
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In this paper, a modified buck-boost grid-connected three-phase photovoltaic inverter is presented. In the structure of inverter, an inductive dc link is used between the input and output. The merits of the employed inverter are soft switching and step-up/down conversion without any additional power converter stage. It is a transformerless inverter with no leakage current issue. Moreover, as a result of increased switching frequency, it offers output current total harmonic distortion within standard limits. It uses only one current sensor and there is no electrolytic capacitor in it, which leads to high reliability. The operating principle is thoroughly explained and a simple control strategy with a new maximum power point tracking (MPPT) algorithm is proposed. The simulation and experimental results are provided to verify the behavior of a modified inverter, its control strategy, and the MPPT method.

ACS Style

Mohsen Kamalirad; Hossein Iman-Eini; Babak Farhangi; Seddik Bacha. A Reliable Three-Phase Transformerless Grid-Connected PV Inverter With Inductive DC Link. IEEE Journal of Photovoltaics 2018, 8, 1305 -1312.

AMA Style

Mohsen Kamalirad, Hossein Iman-Eini, Babak Farhangi, Seddik Bacha. A Reliable Three-Phase Transformerless Grid-Connected PV Inverter With Inductive DC Link. IEEE Journal of Photovoltaics. 2018; 8 (5):1305-1312.

Chicago/Turabian Style

Mohsen Kamalirad; Hossein Iman-Eini; Babak Farhangi; Seddik Bacha. 2018. "A Reliable Three-Phase Transformerless Grid-Connected PV Inverter With Inductive DC Link." IEEE Journal of Photovoltaics 8, no. 5: 1305-1312.