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Bertrand Dutoit

Publications associées (44)

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Status of the European Union Project FASTGRID

Bertrand Dutoit, Frédéric Sirois, Bertrand Dutoit, Mathias Noe

High voltage direct current super-grids are one attractive solution for the transmission of bulk power of renewable electricity over long distances. Their protection is still an issue and superconducting fault current limiters (SCFCL) offer attractive pers ...

IEEE Institute of Electrical and Electronics Engineers2019

Insulation effect on thermal stability of Coated Conductors wires in liquid nitrogen

Bertrand Dutoit, Bertrand Dutoit

Superconducting wires are not perfectly homogeneous in term of critical current as well as stabilization. In resistive fault current limiter applications this could lead to hot spots if the fault current is only slightly above the nominal current of the de ...

Iop Publishing Ltd2017

Can Resistive-Type Fault Current Limiter Operate in Cryogen-Free Environment?

Bertrand Dutoit, Bertrand Dutoit

Superconducting fault current limiters are unique devices that offer fast response to fault without need of an external triggering system. Therefore, they are interesting for industrial use, although their price is high. The principle of the resistive faul ...

IEEE Institute of Electrical and Electronics Engineers2016

Heat transfer monitoring between quenched high-temperature superconducting coated conductors and liquid nitrogen

Daniele Colangelo, Bertrand Dutoit, Bertrand Dutoit

High-temperature superconducting coated conductors (HTS-CCs) are good candidates for resistive superconducting fault current limiter (RSFCL) applications. However, the high current density they can carry and their low thermal diffusivity expose them to the ...

2015

Impact of the Normal Zone Propagations Velocity of High Temperature Superconducting Coated Conductors on Resistive Fault Current Limiters

Daniele Colangelo, Bertrand Dutoit, Bertrand Dutoit

The engineering critical current (Ic) of the high temperature superconducting coated conductors (HTS-CCs), today available on the market, is not a uniform parameter and varies significantly along the length of the conductors. Moreover, commercial HTS-CCs h ...

IEEE Institute of Electrical and Electronics Engineers2015

Analysis of the influence of the normal zone propagation velocity on the design of resistive fault current limiters

Daniele Colangelo, Bertrand Dutoit, Bertrand Dutoit

Commercial high-temperature superconducting coated conductors (HTS-CCs) have low thermal diffusivity and nonuniform critical current density. These two factors lead commercial HTS-CCs to a partial quench when they are subjected to a transport current aroun ...

Iop Publishing Ltd2014

Design and Production of the ECCOFLOW Resistive Fault Current Limiter

Bertrand Dutoit, Bertrand Dutoit

The European project ECCOFLOW aims at a versatile resistive-type superconducting fault current limiter. For the first time, such a device will be tested at two different sites. The project partners have developed a superconducting fault current limiter des ...

IEEE Institute of Electrical and Electronics Engineers2013

MV Power Grids Integration of a Resistive Fault Current Limiter Based on HTS-CCs

Daniele Colangelo, Bertrand Dutoit, Bertrand Dutoit

Due to the energy demand growth and distributed generation (DG) units penetration, a substantial increase of the rated short-circuit current of the electrical lines is expected. As a consequence, the electrical grid infrastructure needs to be extended or d ...

IEEE Institute of Electrical and Electronics Engineers2012

Inhomogeneity effects in HTS coated conductors used as resistive FCLs in medium voltage grids

Daniele Colangelo, Bertrand Dutoit, Bertrand Dutoit

For resistive fault current limiters (RFCLs) based on high temperature superconducting coated conductors (HTS-CCs), inhomogeneity, in terms of critical current and geometrical imperfections such as stabilizer and substrate thicknesses, plays a very importa ...

Institute of Physics2012

Evaluation of the Applicability of Phenomenological HTS Models for Numerical Analysis of Quenches in Coated Conductors: Simulations vs. Experiments

François Roy, Frédéric Sirois, Bertrand Dutoit, Bertrand Dutoit

The electrical resistivity of coated conductors is strongly related to the inter-dependent set of parameters (J, H, T), respectively current density, magnetic field and temperature. On the one hand, it is difficult to isolate the contribution of each of th ...

IEEE Institute of Electrical and Electronics Engineers2011

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Status of the European Union Project FASTGRID

Bertrand Dutoit, Frédéric Sirois, Bertrand Dutoit, Mathias Noe

IEEE Institute of Electrical and Electronics Engineers2019

Insulation effect on thermal stability of Coated Conductors wires in liquid nitrogen

Bertrand Dutoit, Bertrand Dutoit

Iop Publishing Ltd2017

Impact of the Normal Zone Propagations Velocity of High Temperature Superconducting Coated Conductors on Resistive Fault Current Limiters

Daniele Colangelo, Bertrand Dutoit, Bertrand Dutoit

IEEE Institute of Electrical and Electronics Engineers2015

Evaluation of the Applicability of Phenomenological HTS Models for Numerical Analysis of Quenches in Coated Conductors: Simulations vs. Experiments

François Roy, Frédéric Sirois, Bertrand Dutoit, Bertrand Dutoit

IEEE Institute of Electrical and Electronics Engineers2011