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PhD Shafie REZAYI: “System Integration of hybrid DCCB technologies into selective protection strategies”

2022-02-18T10:46:19+01:00February 18th, 2022|Architecture & systèmes du supergrid, Phd|

The objectives of the thesis is to identify the main challenges of applying fully selective FCS in HVDC grid.

PhD Ritu-Raj Shrivastwa: “Enhancement of flexibility of conventional Hydro Power Plants for faster ramp-rate using Energy Storage Systems”

2022-02-04T10:44:58+01:00February 4th, 2022|Phd, Stabilisation & stockage|

Hydro power plants can be the most prominent solution as they are both renewable & capable of following the load demand by controlling its output.

PhD Arthur Boutry: “Theoretical and experimental evaluation of the Integrated gatecommutated thyristor (IGCT) as a switch for Modular Multi Level Converters (MMC)”

2021-12-20T09:36:51+01:00December 20th, 2021|Electronique de puissance & convertisseurs, Phd|

This manuscript investigates the potential of Integrated Gate-Commutated Thyristors (IGCT) for Modular Multi-Level Converters (MMC).

PhD Rayane Mourouvin: “Converter control in a power system with high penetration of renewable energy”

2021-11-03T18:15:25+01:00November 3rd, 2021|Architecture & systèmes du supergrid, Phd|

This work focuses on the transmission grid level and investigates the control of VSCs interfacing renewable sources in hybrid power systems where PE and SG coexist.

PhD Paul Verrax: Transient-based fault identifcation algorithm for the protection of meshed HVDC grids

2021-08-11T17:41:25+02:00April 16th, 2021|Architecture & systèmes du supergrid, Phd, Tout|

The present thesis investigates the concept of a single-ended fault identification algorithm based on the estimation of the fault parameters.

PhD Pascal TORWELLE: “Development of a HVDC grid protection strategy based on hybrid OHL and cable lines”

2021-08-11T17:41:33+02:00January 19th, 2021|Architecture & systèmes du supergrid, Phd|

This thesis identify the major challenges when considering the application of non-selective fault clearing strategy to hybrid grid structures and to propose solutions.

PhD Nicolas MANDULEY “Contribution to Insulation Coordination Studies for VSC-HVDC Systems”

2021-08-11T17:41:39+02:00December 3rd, 2020|Architecture & systèmes du supergrid, Phd|

A contribution to the development of high-scale HVDC systems, particularly regarding insulation coordination for Voltage Source Converter (VSC) based technologies.

PhD Piotr DWORAKOWSKI “Modelling and analysis of medium frequency transformers for power converters”

2021-08-11T17:41:43+02:00December 3rd, 2020|Electronique de puissance & convertisseurs, Phd|

The modelling and analysis are essential in the development of the MFT technology which is attracting lots of research and industrial interest.

PhD Hadiseh Geramirad “EMC study of a 1.7 kV SiC MOSFET gate driver”

2021-08-11T17:41:47+02:00November 27th, 2020|Electronique de puissance & convertisseurs, Phd|

The proposed gate driver achieves a better trade-off between losses & conducted emissions compared to the classical series-connected passive resistors for SiC MOSFET gate drivers.

Phd Paolo ERRANTE “Liquid Spray Injection inside the expansion volume of a CO2 High Voltage Circuit Breaker”

2021-08-11T17:41:53+02:00February 5th, 2020|Appareillage électrique haute tension, Phd|

In the framework of the research activities of the High Voltage Substation Equipment program of SuperGrid, it has been proposed to introduce such species by means of an evaporative liquid spray. The interaction between injected droplets and the mixture of hot gases successively flowing into the chamber and vented outside the chamber during the mechanical separation of the electric contacts should allow spray evaporation and transport of the modified gas mixture towards the arc region.

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