Sylvain Lemofouet-Gatsi

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Related publications (19)

Investigation and optimisation of hybrid electricity storage systems based on compressed air and supercapacitors

Sylvain Lemofouet-Gatsi

An increasing recourse to renewable energies is one of the key solutions to address the current resource and environmental concerns related to the world energy supply. Because of the distributed and intermittent nature of several of them (Solar, Wind), an ...

EPFL2006

Multichannel DC-DC Converter’s Efficiency Optimisation by variable Number of active Channels

Alfred Rufer, Sylvain Lemofouet-Gatsi, Lukas Fleischli

In the context of energy storage with supercapacitors, the so called round trip efficiency is an important factor that can be strongly affected by the characteristics or performances of the used converter. This paper presents a dedicated DC-DC converter, w ...

2006

Efficiency Considerations and Measurements of a Hybrid Energy Storage System based on Compressed Air and Super Capacitors

Alfred Rufer, Sylvain Lemofouet-Gatsi

This paper presents a study and experimentation of a hybrid energy storage system prototype, based on Compressed Air, where the charging and discharging is done within maximum efficiency conditions of the volumetric machine. As the maximum efficiency condi ...

2006

Hydro-pneumatic Energy Storage Systems for Renewable Sources Support: Principle, Efficiency Optimisation, Possible topologies

Alfred Rufer, Sylvain Lemofouet-Gatsi

1 Principle of Pneumatic Energy Storage 2 Optimisation of the Pneumatic-to-Mechanical Energy Conversion 4 Strategy for Power Flexibility: Hybrid Storage 5 Overall Efficiency and Possible Topologies 6 Economical Considerations ...

2006

Principle of Hybrid Energy Storage Systems based on Hydro-pneumatics and Supercapacitors for Distributed Generation and Renewable Energy Sources Support

Alfred Rufer, Sylvain Lemofouet-Gatsi

This paper presents hybrid energy storage systems based on hydro-pneumatics and Supercapacitors with high potentials regarding life cycle and impacts on environment. These so called “Batteries with Oil-hydraulics and Pneumatics (BOP)” systems exploit the h ...

2005

Hybrid Energy Storage Systems based on Compressed Air and Supercapacitors with Maximum Efficiency Point Tracking

Alfred Rufer, Sylvain Lemofouet-Gatsi

Beside the high-capacity storage facilities based on hydro-power technologies, electrochemical solutions are the today's candidate for storage for renewable energy sources. However, limited life-cycles and sustainability of batteries are often inhibiting f ...

2005

Hybrid Energy Storage System based on Compressed Air and Super Capacitors with MEPT (Maximum Efficiency Point Tracking)

Alfred Rufer, Sylvain Lemofouet-Gatsi

This paper presents a hybrid energy storage system based on Compressed Air Energy Storage (CAES), where the charging and discharging is done within maximum efficiency conditions. As the maximum efficiency conditions impose the level of converted power, an ...

2005

A hybrid energy storage system based on compressed air and supercapacitors with maximum efficiency point tracking

Alfred Rufer, Sylvain Lemofouet-Gatsi

This paper presents a hybrid energy storage system based on Compressed Air Energy Storage (CAES), where the extraction of energy is done within maximum efficiency conditions. As the maximum efficiency conditions impose the level of converted power, an inte ...

2004