Lorraine Université d'Excellence (LUE)

LUE - Gestion énergétique des microgrids DC évolutives : une approche plug&play

2022-09-01
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Keywords

power electronics, modeling and control of power coneverters, microgrid, passivity control, distributed control

Subject details

The objective of this PhD subject consists in developing new skills on the multi stacks applications both for embedded (more electrical heavy transportation systems) or stationary applications (DC microgrids). The reduction of greenhouse gas emissions is a challenge for our planet. The European Parliament has voted for a 60% reduction in emissions, initially set at 40%. We must resort to the installation of decentralized sources of renewable origin by nature intended for stationary applications in the building sector. They are composed of sources/charges (solar photovoltaic, fuel cell, electrolyzer) associated with storage elements (battery, hydrogen tank) in order to meet this societal challenge [Guerrero13]. Energy management strategies can be centralized, distributed or decentralized and seek to ensure stability and optimal operation (maximizing efficiency, respecting constraints, etc. [Afkar22, Ettihir17, Kong20, Shtessel20], [Siangsanoh21]). This control must therefore ensure coordination of power flows between the sources and storage elements to guarantee an optimal operating point, especially in the presence of sources whose energy efficiency is antagonistic to efficient power flow management or maximum power operation. This is particularly significant for a fuel cell and electrolyzer [Ettihir17]. The classical solution consists in using a centralized control which allows obtaining the best performances but required a high bandwidth communication network and a central control unit. The main drawbacks are the single failure point bound to the lost of the communication network or the control unit failures. Moreover, this approach is not compatible with an evolutive architecture for which the nature of the system is not perfectly known. Thus, in this PhD, the main scientific challenge will be to design a decentralized control of a DC microgrid with a topology that can evolve over time (addition/removal of sources and loads, connected or islanded operating modes). The control have to equally share the power between sources without communication network (primary decentralized control). It have also guarantee the global dynamic stability of the network whatever its architecture [Pang19a, Pang19b, Hilairet15]. If a low bandwidth communication network is available (distributed mode), the developed control will have to integrate the constraints bound to the energy efficiency and the durability of electrical sources or storage systems [Yue19] (battery, hydrogen tank, fuel cell stacks). On this last point, stability and stabilization studies often remain local [Tahim15], [Gui2021] and do not allow us to understand the behavior of the microgrid during disturbances of non-negligible amplitude or when its topology is reconfigurable. In this thesis, we want to expand the works of Benhamed21 (LUE grant) and Pang20 (award of Best PhD thesis 2021 of UL-IAEM doctoral school) to this kind of system with multi sources, multi storages and multi load systems. The concept of passivity will be studied to simultaneously obtain the plug&play property but also guarantee the stability of the whole microgrid and the primary control of the DC microgrid. For the secondary control level of the proposed hierarchical control ([Guerrero11]), a consensus approach will be used if a communication link is available to optimize the energetic management of the microgrid and will allow to achieve global objectives like global state of charge or energy availability.

Candidate profile

Master degree or Engineering degree in Electrical Engineering with strong skills in power electronics, modeling and control of static converters. Knowledge of electrical network modeling and distributed consensus control will be appreciated.
All applicants to the Doctoral School SIMPPÉ must have successfully completed a Master degree or its equivalent with a grade comparable to or better than the French grade AB (corresponding roughly to the upper half of a graduating class) In all cases (French or foreign Master degree, engineering degree, etc.) the counsel of the doctoral school will examine the candidate's dossier, which must include:
- CV and letter of motivation 
- the grades obtained for the Master (or equivalent) degree and a copy of the diploma if it is available 
- 2 letters of recommendation, preferably from the director of the Master program and the supervisor of the candidate's research project 
- written material (publications, Master thesis or report, etc.) related to the candidate's research project 

Référence biblio

References

[Afkar22] M. Afkar, R. Gavagsaz-Ghoachani, M. Phattanasak, J. -P. Martin and S. Pierfederici, “Proposed System Based on a Three-Level Boost Converter to Mitigate Voltage Imbalance in Photovoltaic Power Generation Systems,” IEEE Transactions on Power Electronics, vol. 37, no. 2, pp. 2264-2282, Feb. 2022.
[Benhamed21] Sif-eddine BENHAMED , « Decentralised intelligent control for multi-carrier microgrids applications », PhD thesis, LUE grant.
[Ettihir17] K. Ettihir, M. Higuita Cano, L. Boulon, K. Agbossou, “Design of an adaptive EMS for fuel cell vehicles,” International Journal of Hydrogen Energy, Vol. 42, pp. 1481-1489, 2017.
[Guerrero11] J. M. Guerrero, J. C. Vasquez, J. Matas, L. G. De Vicuña, and M. Castilla, “Hierarchical control of droop-controlled AC and DC microgrids - A general approach toward standardization,” IEEE Trans. Ind. Electron., vol. 58, no. 1, pp. 158-172, 2011, doi: 10.1109/TIE.2010.2066534.

[Guerrero13] J.M. Guerrero, M. Chandorkar, T.L. Lee, P.C. Loh, “Advanced controls architectures for intelligent microgrids-Part I : decentralized and hierarchical control”, IEEE Transactions on Industrial Electronics, Vol. 60 (4), pp.1254-1262, 2013.
[Gui2021] Y. Gui, R. Han, J. M. Guerrero, J. C. Vasquez, B. Wei, and W. Kim, “Large-Signal Stability Improvement of DC-DC Converters in DC Microgrid,” IEEE Trans. Energy Convers., vol. 8969, no. c, 2021, doi: 10.1109/TEC.2021.3057130. 
[Hilairet15] M. Hilairet, O. Béthoux, M. Ghanes, V. Tanasa, J-P. Barbot, D. Normand-Cyrot, “Experimental validation of a sampled-data passivity-based controller for coordination of converters in a fuel cell system,” IEEE Transactions on Industrial Electronics, Vol. 62, N°8, pp. 5187-5194, August 2015. (10.1109/TIE.2014.2362497).
[Kong20] S. Kong, M. Bressel, M. Hilairet, R. Roche, ``Advanced passivity-based, aging-tolerant control for a fuel cell/super-capacitor hybrid system,'' Control Engineering Practice, Vol. 105, 2020 (https://doi.org/10.1016/j.conengprac.2020.104636).
[Pang19a] S. Pang, B. Nahid-Mobarakeh, S. Pierfederici, J.-P. Martin, Y. Huangfu, G. Luo, and F. Gao, “Improving the stability of cascaded dc-dc converter systems via the viewpoints of passivity-based control and port-controlled Hamiltonian framework,” in 2019 IEEE Industry Applications Society Annual Meeting, Baltimore, MD, USA, Sep. 2019, pp. 1-6.
[Pang19b] S. Pang, B. Nahid-Mobarakeh, S. Pierfederici, M. Phattanasak, Y. Huangfu, G. Luo, and F. Gao, “Interconnection and Damping Assignment Passivity-Based Control Applied to On-Board DC-DC Power Converter System Supplying Constant Power Load,” IEEE Transactions on Industry Applications, vol. 55, no. 6, pp. 6476-6485, Nov.-Dec. 2019.
[Pang20] PANG Shengzhao, « Stability Analysis, dynamic consideration and active stabilization of DC microgrids with constant power loads » PhD UL 2020.
[Shtessel20] Y.B. Shtessel, M. Ghanes, R.S. Ashok, “Hydrogen Fuel Cell and Ultracapacitor Based Electric Power System Sliding Mode Control: Electric Vehicle Application ,” ENERGIE, 2020 (https://doi.org/10.3390/en13112798).
[Siangsanoh21] A. Siangsanoh, M. Bahrami, W. Kaewmanee, R. Gavagsaz-Ghoachani, M. Phattanasak, J.P. Martin, B. Nahid-Mobarakeh,M. Weber, S. Pierfederici, G. Maranzana, S. Didierjean, “Series hybrid Fuel cell/Supercapacitor Power source,” Mathematics and Computers in Simulation, vol. 184, June 2021, pp. 21-40.
[Tahim15] A.P. Nobrega Tahim, D. J. Pagano, E. Lenz, and V. Stramosk, “Modeling and Stability Analysis of Islanded DC Microgrids Under Droop Control”, IEEE Transactions on power electronics, vol.30, no.8 august 2015.
[Yue19] M. Yue, S. Jemei, N. Zerhouni, “Health-Conscious Energy Management for Fuel Cell Hybrid Electric Vehicles Based on Prognostics-Enabled Decision-Making”, IEEE Transactions on Vehicular Technology, Vol. 68 (12), pp. 11483-11491, 2019.

Détails de l'offre

Titre
LUE - Gestion énergétique des microgrids DC évolutives : une approche plug&play
Localisation
34 Cours Léopold Nancy, France
Publié
2022-04-06
Date limite d'inscription
2022-09-01
Type de poste
PhD
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