Scientific program > Tutorials

Tutorial 1
Christophe Turpin
Modelling approaches for the development of fuel cells and electrolyzers systems

Hydrogen is called upon to play a very important role in a necessarily renewed energy landscape. Even if it exists in its natural state (reserves and exploitability under evaluation), it is necessary to produce it to date. One of the means strongly anticipated is the water electrolyzer, ideally powered by renewable electricity. Hydrogen can also be seen as a means of rationalizing renewable energies by nature intermittent or even random. Once produced, the hydrogen can be stored and / or distributed for use at another time primarily by fuel cell based applications. Even though fuel cell and electrolyzer systems are by nature highly multidisciplinary, Electrical Engineering plays a key role. This tutorial will present the main elements of these systems, the issues they pose to the Electrical Engineering community and the inventory of modeling tools that already exist or under development to respond to them.

Tutorial 2
Giovanni Spagnuolo, Italy
Photovoltaic Modules Diagnostic Approaches

Photovoltaic modules are subjected to ageing and faults due to some extreme operating condition and to their outdoor installation. Significant research and development efforts have been concentrating on the identification of malfunctioning and faults during the operation of the module, thus on site by employing low cost and industrial electronics having a performance that might not be comparable with the one that an expensive and bulky laboratory equipment is able to ensure. The more fruitful approaches appear to be the holistic ones, which are based both on electrical measurements at the module terminals and on images acquired through drones. The tutorial gives an overview of the state-of-the-art techniques with a special emphasis on the diagnostic data that can be derived from measuring the module voltage and current.

Tutorial 3

Ilhem Slama-Belkhodja, Tunisia

University of Tunis El Manar, Ecole Nationale d'Ingénieurs de Tunis,
Additional Functions of Grid-Connected Converters for Power Quality Improvement and Ancillary Services

Nowadays, most of the renewable energy sources, storage systems, home appliances and industrial loads need power electronic interfaces (PEIs) to connect to the main electricity grid or to the distribution network in a microgrid context. This increasing penetration of PEIs brings some new challenges, namely those related to the power quality (PQ) and ancillary services (AS). To face such challenges, advanced controls are developed to add new functionalities to the power converters interfacing distributed generations and storage systems with distribution network. So, thanks to these additional abilities, these devices will be able to improve the PQ and to provide ancillary services like voltage control, peak shaving, backup supply. The tutorial gives an overview of the state-of-the art techniques for multi-task PEIs and describes an experimental laboratory scale microgrid platform to investigate such challenges.

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